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1. Central-to-peripheral blood pressure amplification: role of the recording site, technology, analysis approach, and calibration scheme in invasive and non-invasive data agreement

Author: Yanina Zócalo, Daniel Bia, Ramiro Sánchez, Gustavo Lev, Oscar Mendiz, Agustín Ramirez, and Edmundo I. Cabrera-Fischer
Subjects: applanation tonometry, calibration, central-to-peripheral blood pressure amplification, invasive records, non-invasive records, oscillometry, Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract: BackgroundSystolic blood pressure amplification (SBPA) and pulse pressure amplification (PPA) can independently predict cardiovascular damage and mortality. A wide range of methods are used for the non-invasive estimation of SBPA and PPA. The most accurate non-invasive method for obtaining SBPA and/or PPA remains unknown.AimThis study aims to evaluate the agreement between the SBPA and PPA values that are invasively and non-invasively obtained using different (1) measurement sites (radial, brachial, carotid), (2) measuring techniques (tonometry, oscillometry/plethysmography, ultrasound), (3) pulse waveform analysis approaches, and (4) calibration methods [systo-diastolic vs. approaches using brachial diastolic and mean blood pressure (BP)], with the latter calculated using different equations or measured by oscillometry.MethodsInvasive aortic and brachial pressure (catheterism) and non-invasive aortic and peripheral (brachial, radial) BP were simultaneously obtained from 34 subjects using different methodologies, analysis methods, measuring sites, and calibration methods. SBPA and PPA were quantified. Concordance correlation and the Bland–Altman analysis were performed.Results(1) In general, SBPA and PPA levels obtained with non-invasive approaches were not associated with those recorded invasively. (2) The different non-invasive approaches led to (extremely) dissimilar results. In general, non-invasive measurements underestimated SBPA and PPA; the higher the invasive SBPA (or PPA), the greater the underestimation. (3) None of the calibration schemes, which considered non-invasive brachial BP to estimate SBPA or PPA, were better than the others. (4) SBPA and PPA levels obtained from radial artery waveform analysis (tonometry) (5) and common carotid artery ultrasound recordings and brachial artery waveform analysis, respectively, minimized the mean errors.ConclusionsOverall, the findings showed that (i) SBPA and PPA indices are not “synonymous” and (ii) non-invasive approaches would fail to accurately determine invasive SBPA or PPA levels, regardless of the recording site, analysis, and calibration methods. Non-invasive measurements generally underestimated SBPA and PPA, and the higher the invasive SBPA or PPA, the higher the underestimation. There was not a calibration scheme better than the others. Consequently, our study emphasizes the strong need to be critical of measurement techniques, to have methodological transparency, and to have expert consensus for non-invasive assessment of SBPA and PPA.
Published: 2023
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2. Direct estimation of central aortic pressure from measured or quantified mean and diastolic brachial blood pressure: agreement with invasive records

Author: Daniel Bia, Federico Salazar, Luis Cinca, Marcos Gutierrez, Alvaro Facta, Yanina Zócalo, and Alejandro Diaz
Subjects: aortic pressure, brachial blood pressure, catheterism, invasive records, non-invasive records, oscillometry, Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract: BackgroundRecently it has been proposed a new approach to estimate aortic systolic blood pressure (aoSBP) without the need for specific devices, operator-dependent techniques and/or complex wave propagation models/algorithms. The approach proposes aoSBP can be quantified from brachial diastolic and mean blood pressure (bDBP, bMBP) as: aoSBP = bMBP2/bDBP. It remains to be assessed to what extent the method and/or equation used to obtain the bMBP levels considered in aoSBP calculation may affect the estimated aoSBP, and consequently the agreement with aoSBP invasively recorded.MethodsBrachial and aortic pressure were simultaneously obtained invasively (catheterization) and non-invasively (brachial oscillometry) in 89 subjects. aoSBP was quantified in seven different ways, using measured (oscillometry-derived) and calculated (six equations) mean blood pressure (MBP) levels. The agreement between invasive and estimated aoSBP was analyzed (Concordance correlation coefficient; Bland-Altman Test).ConclusionsThe ability of the equation “aoSBP = MBP2/DBP” to (accurately) estimate (error
Published: 2023
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3. Global distributions of age- and sex-related arterial stiffness: systematic review and meta-analysis of 167 studies with 509,743 participantsResearch in context

Author: Yao Lu, Sophia J. Kiechl, Jie Wang, Qingbo Xu, Stefan Kiechl, Raimund Pechlaner, David Aguilar, Khamis M. Al-Hashmi, Rafael O. Alvim, Ibrahim S. Al-Zakwani, Christina Antza, Arrigo F.G. Cicero, Maja Avramovska, Petar Avramovski, Hyun Jae Baek, Magnus Bäck, Kent Bailey, Marcelo P. Baldo, Rosângela F.L. Batista, Athanasios Benetos, Emelia J. Benjamin, Daniel Bia, Claudio Borghi, Shani Botha-Le Roux, Yolandi Breet, David Burgner, Viviane C. Cardoso, Marina Cecelja, Indre Ceponiene, Chen-Huan Chen, Michael Cheung, Hao-min Cheng, Jaegeol Cho, Phil Chowienczyk, Eduardo B. Coelho, Orsolya Cseprekal, Amilcar BT Da Silva, Frédéric Dallaire, Roberto De Sá Cunha, Alejandro Diaz, Albano V.L. Ferreira, Jean Ferrières, Yoshihiko Furuta, Manuel A. Gómez-Marcos, Leticia Gómez-Sánchez, Julian Halcox, Craig Hanis, Karl-Heinz Herzig, Edgar Jaeggi, Maryam Kavousi, Ursula Kiechl-Kohlendorfer, Hack-Lyoung Kim, Mi-Kyung Kim, Yu-Mi Kim, Eva Kis, Michael Knoflach, Vasilios Kotsis, Teruhide Koyama, Michaela Kozakova, Ruan Kruger, Iftikhar J. Kullo, Sun-Seog Kweon, Irene Lambrinoudaki, Chang Liu, Markus Loeffler, Jeongok G. Logan, Jane Maddock, Pedro Magalhães, João Maldonado, Francesco U.S. Mattace-Raso, Alex Messner, Michelle L. Meyer, Jie Mi, José Geraldo Mill, Gary F. Mitchell, Jian-Jun Mu, Iram F. Muhammad, Johannes Nairz, Atsushi Nakagomi, Mieko Nakamura, Peter M. Nilson, Toshiharu Ninomiya, Carlo Palombo, Alexandre C. Pereira, Telmo Pereira, Daniel P. Capingana, Anna K. Poon, Nicole Probst-Hensch, Arshed A. Quyyumi, George S. Reusz, Moo-Yong Rhee, Cecilia C.C. Ribeiro, Ernst Rietzschel, Paulo R.H. Rocha, Enrique Rodilla, Marta Rojek, Jean-Bernard Ruidavets, Joost H.W. Rutten, Yasuaki Saijo, Paolo Salvi, Arno Schmidt-Trucksäss, Markus Scholz, Min-Ho Shin, Patrick Segers, Kimon Stamatelopoulos, Irina D. Strazhesko, Minoru Sugiura, Olga N. Tkacheva, Hirofumi Tomiyama, Elaine M. Urbina, Inge C.L. van den Munckhof, Ramachandran S. Vasan, Melissa A. Wake, Goya Wannamethee, Andrew Wong, Akira Yamashina, Yinkun Yan, Divanei Zaniqueli, Fang Zhu, and Yanina Zócalo
Subjects: Pulse wave velocity, Arterial stiffness, Hypertensive end-organ damage, All-cause mortality, Cardiovascular disease, Risk factors, Medicine, Medicine (General), R5-920
Abstract: Summary: Background: Arterial stiffening is central to the vascular ageing process and a powerful predictor and cause of diverse vascular pathologies and mortality. We investigated age and sex trajectories, regional differences, and global reference values of arterial stiffness as assessed by pulse wave velocity (PWV). Methods: Measurements of brachial-ankle or carotid-femoral PWV (baPWV or cfPWV) in generally healthy participants published in three electronic databases between database inception and August 24th, 2020 were included, either as individual participant-level or summary data received from collaborators (n = 248,196) or by extraction from published reports (n = 274,629). Quality was appraised using the Joanna Briggs Instrument. Variation in PWV was estimated using mixed-effects meta-regression and Generalized Additive Models for Location, Scale, and Shape. Findings: The search yielded 8920 studies, and 167 studies with 509,743 participants from 34 countries were included. PWV depended on age, sex, and country. Global age-standardised means were 12.5 m/s (95% confidence interval: 12.1–12.8 m/s) for baPWV and 7.45 m/s (95% CI: 7.11–7.79 m/s) for cfPWV. Males had higher global levels than females of 0.77 m/s for baPWV (95% CI: 0.75–0.78 m/s) and 0.35 m/s for cfPWV (95% CI: 0.33–0.37 m/s), but sex differences in baPWV diminished with advancing age. Compared to Europe, baPWV was substantially higher in the Asian region (+1.83 m/s, P = 0.0014), whereas cfPWV was higher in the African region (+0.41 m/s, P
Published: 2023
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4. Non-invasive central aortic pressure measurement: what limits its application in clinical practice?

Author: Alejandro Diaz, Yanina Zócalo, Federico Salazar, and Daniel Bia
Subjects: aortic blood pressure, calibration, non-invasive assessment, oscillometric method, blood pressure measurement, central blood pressure measurement, Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract: The following article highlights the need for methodological transparency and consensus for an accurate and non-invasive assessment of central aortic blood pressure (aoBP), which would contribute to increasing its validity and value in both clinical and physiological research settings. The recording method and site, the mathematical model used to quantify aoBP, and mainly the method applied to calibrate pulse waveforms are essential when estimating aoBP and should be considered when analyzing and/or comparing data from different works, populations and/or obtained with different approaches. Up to now, many questions remain concerning the incremental predictive ability of aoBP over peripheral blood pressure and the possible role of aoBP-guided therapy in everyday practice. In this article, we focus on “putting it on the table” and discussing the main aspects analyzed in the literature as potential determinants of the lack of consensus on the non-invasive measurement of aoBP.
Published: 2023
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5. Aortic systolic and pulse pressure invasively and non-invasively obtained: Comparative analysis of recording techniques, arterial sites of measurement, waveform analysis algorithms and calibration methods

Author: Daniel Bia, Yanina Zócalo, Ramiro Sánchez, Gustavo Lev, Oscar Mendiz, Franco Pessana, Agustín Ramirez, and Edmundo I. Cabrera-Fischer
Subjects: applanation tonometry, calibration, catheterism, central aortic blood pressure, invasive records, non-invasive records, Physiology, QP1-981
Abstract: Background: The non-invasive estimation of aortic systolic (aoSBP) and pulse pressure (aoPP) is achieved by a great variety of devices, which differ markedly in the: 1) principles of recording (applied technology), 2) arterial recording site, 3) model and mathematical analysis applied to signals, and/or 4) calibration scheme. The most reliable non-invasive procedure to obtain aoSBP and aoPP is not well established.Aim: To evaluate the agreement between aoSBP and aoPP values invasively and non-invasively obtained using different: 1) recording techniques (tonometry, oscilometry/plethysmography, ultrasound), 2) recording sites [radial, brachial (BA) and carotid artery (CCA)], 3) waveform analysis algorithms (e.g., direct analysis of the CCA pulse waveform vs. peripheral waveform analysis using general transfer functions, N-point moving average filters, etc.), 4) calibration schemes (systolic-diastolic calibration vs. methods using BA diastolic and mean blood pressure (bMBP); the latter calculated using different equations vs. measured directly by oscillometry, and 5) different equations to estimate bMBP (i.e., using a form factor of 33% (“033”), 41.2% (“0412”) or 33% corrected for heart rate (“033HR”).Methods: The invasive aortic (aoBP) and brachial pressure (bBP) (catheterization), and the non-invasive aoBP and bBP were simultaneously obtained in 34 subjects. Non-invasive aoBP levels were obtained using different techniques, analysis methods, recording sites, and calibration schemes.Results: 1) Overall, non-invasive approaches yielded lower aoSBP and aoPP levels than those recorded invasively. 2) aoSBP and aoPP determinations based on CCA recordings, followed by BA recordings, were those that yielded values closest to those recorded invasively. 3) The “033HR” and “0412” calibration schemes ensured the lowest mean error, and the “033” method determined aoBP levels furthest from those recorded invasively. 4) Most of the non-invasive approaches considered overestimated and underestimated aoSBP at low (i.e., 80 mmHg) and high (i.e., 180 mmHg) invasive aoSBP values, respectively. 5) The higher the invasively measured aoPP, the higher the level of underestimation provided by the non-invasive methods.Conclusion: The recording method and site, the mathematical method/model used to quantify aoSBP and aoPP, and to calibrate waveforms, are essential when estimating aoBP. Our study strongly emphasizes the need for methodological transparency and consensus for the non-invasive aoBP assessment.
Published: 2023
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6. Wave separation analysis-derived indexes obtained from radial and carotid tonometry in healthy pregnancy and pregnancy-associated hypertension: Comparison with pulse wave analysis-derived indexes

Author: María M. Pereira, Juan Torrado, Joshua Bock, Claudio Sosa, Alejandro Diaz, Daniel Bia, and Yanina Zócalo
Subjects: applanation tonometry, gestational hypertension, pregnancy, preeclampsia, pulse wave analysis, wave separation analysis, Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract: BackgroundIncreased wave reflections assessed by pulse wave analysis (PWA) was proposed as one of the potential culprits of hypertension seen in women with pregnancy-associated hypertension (PAH). However, this statement has never been confirmed with “Wave Separation Analysis” (WSA), a more sophisticated mathematical approach that analyzes the amplitude and interaction between forward and backward aortic pressure waveform components.ObjectiveTo characterize potential changes in pressure wave components of PAH compared to healthy non-pregnant (NP) women and women with normal pregnancies (HP) by using WSA and compared these findings with PWA-derived indexes; secondarily, to evaluate differences in WSA-derived indexes between subgroups of PAH (i.e., preeclampsia [PE] and gestational hypertension [GH]).MethodsUsing radial and carotid applanation tonometry, we quantified in HP (n = 10), PAH (n = 16), and NP (n = 401): (i) PWA-derived indexes; (ii) WSA-derived indexes: forward (Pf) and backward (Pb) waveform components, backward component arrival time (PbAT), reflection magnitude (RM = Pb/Pf) and index [RIx = Pb/(Pf + Pb)].ResultsWhile PAH was associated with a higher Pf compared to HP and NP, Pb and PbAT were similar between the groups. Both GH and PE showed a higher Pf compared to HP, but only PE had a trend of presenting with higher Pb and lower PbAT compared to the other groups. Finally, PAH showed a trend of having lower RM and RIx compared to NP and HP, with no differences between GH and PE.ConclusionPAH was associated with higher Pf, but not higher Pb, compared to NP and HP, although PE also demonstrated a trend of higher Pb.
Published: 2022
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7. Fat-Free Mass Index, Visceral Fat Level, and Muscle Mass Percentage Better Explain Deviations From the Expected Value of Aortic Pressure and Structural and Functional Arterial Properties Than Body Fat Indexes

Author: Mariana Gómez-García, Juan Torrado, María Pereira, Daniel Bia, and Yanina Zócalo
Subjects: aortic pressure, arterial stiffness, bioelectrical impedance analysis, body composition assessment techniques, cardiovascular diagnosis, cardiovascular research, Nutrition. Foods and food supply, TX341-641
Abstract: Bioelectrical impedance analysis (BIA)-derived indexes [e.g., fat (FMI) and fat-free mass indexes (FFMI), visceral fat level (VFL)] are used to characterize obesity as a cardiovascular risk factor (CRF). The BIA-derived index that better predicts arterial variability is still discussed.AimsTo determine: (1) the association of classical [weight, height, body mass index (BMI), basal metabolic rate (BMR)] and BIA-derived indexes, with arterial properties deviations from expected values (arterial z-scores); (2) maximum arterial variations attributable to BIA-derived indexes; (3) whether the composition of total body, trunk and/or limbs is most closely associated with arterial variations.MethodsHemodynamic, structural, and functional parameters of different histological types of arteries were assessed (n = 538, 7–85 years). Classical and BIA-derived indexes [fat mass and percentage, FMI, VFL, muscle mass percentage (PMM), FFMI, and percentage] were measured (mono- and multi-segmental devices). Arterial z-scores were obtained using age-related equations derived from individuals not-exposed to CRFs (n = 1,688).ResultsFirst, regardless of the classical index considered, the associations with the arterial properties showed a specific hierarchy order: diameters and local stiffness > aortic and brachial blood pressure (BP) > regional stiffness. Second, all the associations of FMI and FFMI with z-scores were positive. Third, FFMI exceeded the association obtained with BMI and BMR, considering structural z-scores. In contrast, FMI did not exceed the association with z-scores achieved by BMI and BMR. Fourth, regardless of CRFs and classical indexes, arterial z-scores would be mainly explained by FFMI, VFL, and PMM. Fifth, regardless of the body-segment considered, the levels of association between FMI and z-scores did not exceed those found for classic and FFMI. Total fat mass and trunk indexes showed a greater strength of association with z-scores than the FMI of limbs. Sixth, compared to lower limb FFMI indexes, total and upper limbs FFMI showed higher levels of association with z-scores.ConclusionsFFMI (but not FMI) exceeded the strength of association seen between BMI or BMR and structural z-scores. Regardless of the body segment analyzed, the associations between FMI and z-scores did not exceed those found with classic and FFMI. Arterial z-scores could be independently explained by FFMI, VFL, and PMM.
Published: 2022
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8. Aging-Related Moderation of the Link Between Compliance With International Physical Activity Recommendations and the Hemodynamic, Structural, and Functional Arterial Status of 3,619 Subjects Aged 3–90 Years

Author: Yanina Zócalo, Mariana Gómez-García, Juan Torrado, and Daniel Bia
Subjects: adolescents, adults, arterial stiffness, central aortic pressure, children, intima-media thickness, Sports, GV557-1198.995
Abstract: BackgroundCompliance with physical activity recommendations (CPARs) is associated with better health indicators. However, there are only few studies to date that have comprehensively analyzed the association between CPARs and cardiovascular status “as a whole” (e.g., analyzing hemodynamic, structural, and functional properties, and different arterial territories). The relationship between CPARs and cardiovascular properties could be strongly influenced by the growth and aging process.AimThe goal of the study is to investigate the association between CPAR and cardiovascular properties by placing special emphasis on: (i) identifying if there is an independent association, (ii) if the association is “moderated” by age, and (iii) to what extent the association depends on the arterial parameter (hemodynamic vs. structural vs. functional) and/or the arterial segment (e.g., central vs. peripheral; elastic vs. transitional vs. muscular arteries).MethodsA total of 3,619 subjects (3–90 years of age) were studied. Extensive cardiovascular evaluations were performed. Cardiovascular risk factors (CRFs) and physical activity (PA) levels were determined. The subjects were categorized as compliant (n = 1, 969) or non-compliant (n = 1,650) with World Health Organization-related PA recommendations. Correlation and multiple regression models (including CPAR*Age interaction) were obtained, and Johnson-Neyman technique was used to produce regions of significance.ResultsThe independent association between CPARs and cardiovascular characteristics were strongly moderated by age. The moderation was observed on a wide range of age but particularly notorious on the extremes of life. Certain arterial characteristics demonstrated opposite effects in relation to CPAR status depending on the range of age considered. The association between CPAR and cardiovascular characteristics was independent of CRFs and moderated by age. In subjects younger than 45–55 years, CPAR status was associated with lower central and peripheral blood pressure (i.e., the younger the subject, the higher the reduction). During adult life, as age increases in the subjects, CPARs was associated with a beneficial hemodynamic profile, which is not related with variations in pressure but strongly related with lower levels of waveform-derived indexes and ventricular afterload determinants.ConclusionsThe independent associations between CPARs and arterial properties were strongly moderated by age. Data provided by blood pressure levels and waveform-derived indexes would be enough to evaluate the independent association between CPARs and the vascular system in the general population.
Published: 2022
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9. Influence of Epoch Length and Recording Site on the Relationship Between Tri-Axial Accelerometry-Derived Physical Activity Levels and Structural, Functional, and Hemodynamic Properties of Central and Peripheral Arteries

Author: Mariana Gómez-García, Juan Torrado, Daniel Bia, and Yanina Zócalo
Subjects: accelerometry, arterial system, cardiovascular, epoch lengths, hip, physical activity, Sports, GV557-1198.995
Abstract: BackgroundIt remains to be established to what extent physical activity (PA) levels among individuals are independently associated with deviations from the “optimal” state of the arterial system. Accelerometers have been proposed as means to obtain reliable, objective, and more comprehensive data of PA. Decisions at the time of data collection/processing could influence the association between accelerometry-derived indices and arterial properties.Objectives(i) To identify to what extent the strength of association between arterial properties and accelerometer-derived indices depend on the recording site and/or the epoch length; (ii) to determine whether some arterial characteristics (hemodynamic vs. structural vs. functional) or regions (elastic vs. transitional vs. muscular arteries; central vs. peripheral) have higher levels of association with accelerometry-derived indices.MethodsPhysical activity (PA), cardiovascular risk factors (CRFs), and cardiovascular properties were evaluated in 60 volunteers (general population; age: 23–62 years; women: 43%). PA was measured daily for 7 days (free-living situation; triaxial-accelerometers ActiGraph-GT3X+; hip and wrist; “Worn-to-wrist” option) and raw data was converted at epoch lengths of 1, 5, 10, 30, and 60-s. PA-related energy expenditure, daily time in moderate-to-vigorous PA, steps/minute, and counts-per-minute for vector magnitude were calculated. The cardiovascular evaluation included hemodynamic (central and peripheral pressure), structural (diameters and intima-media thickness), and functional (local and regional stiffness) parameters of carotids, femoral, and brachial arteries, and carotid-femoral and carotid-radial pathways. Arterial z-scores were obtained using age-related equations derived from healthy participants not exposed to CRFs (n = 1,688; age: 2–84 years; female: 51.2%) to evaluate at which degree each parameter deviates from the “optimal” value.MethodsIn general, hip recordings outperformed those obtained on the wrist regarding the strength of association with arterial parameters. Accelerometer-derived indices and their association with arterial properties vary depending on the recording site and epoch length. PA indices are stronger associated with functional (local) than structural variables and with central than peripheral arteries.ConclusionsRegardless of the PA index, there were independent associations with central artery characteristics, which reinforces that these territories would be the most related to PA levels. Differences in data acquisition and processing could lead to differences in conclusions when addressing the association between accelerometer-derived indices and the cardiovascular system.
Published: 2022
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10. Central Pressure Waveform-Derived Indexes Obtained From Carotid and Radial Tonometry and Brachial Oscillometry in Healthy Subjects (2–84 Y): Age-, Height-, and Sex-Related Profiles and Analysis of Indexes Agreement

Author: Yanina Zócalo and Daniel Bia
Subjects: adolescents, adults, applanation tonometry, children, oscillometry, pulse wave analysis, Physiology, QP1-981
Abstract: Aortic blood pressure (aoBP) waveform-derived indexes could provide valuable (prognostic) information over and above cardiovascular risk factors (CRFs). To obtain aoBP waveform-characteristics, several (i) techniques, (ii) recording sites, (iii) pressure-only waveform analysis mathematical approaches [e.g., pulse wave analysis (PWA), wave separation analysis (WSA)], and (iv) indexes [augmentation pressure and index (AP and AIx), forward (Pf) and backward (Pb) components of aoBP, reflection magnitude (RM), and reflection index (Rix)], were proposed. An accurate clinical use of these indexes requires knowing their physiological age-related profiles and the expected values for a specific subject. There are no works that have characterized waveform-derived indexes profiles in large populations considering: (i) as a continuous, data from different age stages (childhood, adolescence, and adulthood), (ii) complementary indexes, (iii) data obtained from different techniques and approaches, and (iv) analyzing potential sex- and body height (BH)-related differences. In addition, (v) there is a lack of normative data (reference intervals, RIs) for waveform-derived indexes.Aims(1) to evaluate the association and agreement between PWA- and/or WSA-derived indexes obtained with different techniques and approaches; (2) to determine the need for sex-, BH-, and/or age-specific RIs; (3) to define RIs for PWA- and WSA-derived indexes in a large cohort of healthy children, adolescents, and adults.Methods3619 subjects (3–90 y) were included; 1688 healthy (2–84 y). AP, AIx, AIx@75, Pf, Pb, RM, and RIx were obtained (carotid and radial tonometry, brachial oscillometry/plethysmography). The association and agreement between indexes were analyzed (Concordance correlation coefficients, Bland–Altman analysis). Mean and SD equations and sex-specific BH- and age-related profiles were obtained (regression methods; fractional polynomials).ResultsWaveform-derived indexes were not equivalent; for a specific index, there were systematic and proportional differences associated with the recording site (e.g., carotid vs. radial) and technique (e.g., tonometry vs. oscillometry). The need for sex-, BH-, or age-specific RIs was dependent on the index and/or age considered. RIs were defined for each index considering differences between recording sites and techniques. Equations for waveform-derived indexes age-related profiles were included, enabling to determine for a specific subject, the expected values and potential data deviations.
Published: 2022
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11. Brachial Blood Pressure Invasively and Non-Invasively Obtained Using Oscillometry and Applanation Tonometry: Impact of Mean Blood Pressure Equations and Calibration Schemes on Agreement Levels

Author: Daniel Bia, Yanina Zócalo, Ramiro Sánchez, Juan F. Torrado, Gustavo Lev, Oscar Mendiz, Franco Pessana, Agustín Ramírez, and Edmundo I. Cabrera-Fischer
Subjects: aortic pressure, applanation tonometry, brachial blood pressure, calibration procedure, invasive records, mean blood pressure, Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract: The use of oscillometric methods to determine brachial blood pressure (bBP) can lead to a systematic underestimation of the invasively measured systolic (bSBP) and pulse (bPP) pressure levels, together with a significant overestimation of diastolic pressure (bDBP). Similarly, the agreement between brachial mean blood pressure (bMBP), invasively and non-invasively measured, can be affected by inaccurate estimations/assumptions. Despite several methodologies that can be applied to estimate bMBP non-invasively, there is no consensus on which approach leads to the most accurate estimation. Aims: to evaluate the association and agreement between: (1) non-invasive (oscillometry) and invasive bBP; (2) invasive bMBP, and bMBP (i) measured by oscillometry and (ii) calculated using six different equations; and (3) bSBP and bPP invasively and non-invasively obtained by applanation tonometry and employing different calibration methods. To this end, invasive aortic blood pressure and bBP (catheterization), and non-invasive bBP (oscillometry [Mobil-O-Graph] and brachial artery applanation tonometry [SphygmoCor]) were simultaneously obtained (34 subjects, 193 records). bMBP was calculated using different approaches. Results: (i) the agreement between invasive bBP and their respective non-invasive measurements (oscillometry) showed dependence on bBP levels (proportional error); (ii) among the different approaches used to obtain bMBP, the equation that includes a form factor equal to 33% (bMBP = bDBP + bPP/3) showed the best association with the invasive bMBP; (iii) the best approach to estimate invasive bSBP and bPP from tonometry recordings is based on the calibration scheme that employs oscillometric bMBP. On the contrary, the worst association between invasive and applanation tonometry-derived bBP levels was observed when the brachial pulse waveform was calibrated to bMBP quantified as bMBP = bDBP + bPP/3. Our study strongly emphasizes the need for methodological transparency and consensus for non-invasive bMBP assessment.
Published: 2023
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12. Aortic Pressure Levels and Waveform Indexes in People Living With Human Immunodeficiency Virus: Impact of Calibration Method on the Differences With Respect to Non-HIV Subjects and Optimal Values

Author: Alejandro Diaz, Marina Grand, Juan Torrado, Federico Salazar, Yanina Zócalo, and Daniel Bia
Subjects: aortic pressure, calibration, human immunodeficiency virus, pulse wave analysis, wave separation analysis, pulse contour analysis, Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract: Background: There are scarce and controversial data on whether human immunodeficiency virus (HIV) infection is associated with changes in aortic pressure (aoBP) and waveform-derived indexes. Moreover, it remains unknown whether potential differences in aoBP and waveform indexes between people living with HIV (PLWHIV) and subjects without HIV (HIV-) would be affected by the calibration method of the pressure waveform.Aims: To determine: (i) whether PLWHIV present differences in aoBP and waveform-derived indexes compared to HIV- subjects; (ii) the relative impact of both HIV infection and cardiovascular risk factors (CRFs) on aoBP and waveform-derived indexes; (iii) whether the results of the first and second aims are affected by the calibration method.Methods: Three groups were included: (i) PLWHIV (n = 86), (ii) HIV- subjects (general population; n = 1,000) and (iii) a Reference Group (healthy, non-exposed to CRFs; n = 398). Haemodynamic parameters, brachial pressure (baBP; systolic: baSBP; diastolic: baDBP; mean oscillometric: baMBPosc) and aoBP and waveform-derived indexes were obtained. Brachial mean calculated (baMBPcalc=baDBP+[baSBP-baDBP]/3) pressure was quantified. Three waveform calibration schemes were used: systolic-diastolic, calculated (baMBPcalc/baDBP) and oscillometric mean (baMBPosc/baDBP).Results: Regardless of CRFs and baBP, PLWHIV presented a tendency of having lower aoBP and waveform-derived indexes which clearly reached statistical significance when using the baMBPosc/baDBP or baMBPcalc/baDBP calibration. HIV status exceeded the relative weight of other CRFs as explanatory variables, being the main explanatory variable for variations in central hemodynamics when using the baMBPosc/baDBP, followed by the baMBPcalc/baDBP calibration.Conclusions: The peripheral waveform calibration approach is an important determinant to reveal differences in central hemodynamics in PLWHIV.
Published: 2021
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13. Center-To-Periphery Arterial Stiffness Gradient Is Attenuated and/or Reversed in Pregnancy-Associated Hypertension

Author: María M. Pereira, Juan Torrado, Claudio Sosa, Alejandro Diaz, Daniel Bia, and Yanina Zócalo
Subjects: arterial stiffness, carotids, gestational hypertension, pregnancy, pre-eclampsia, Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract: Background: Non-pregnant (NP) women have a progressive increase in arterial stiffness from central-to-peripheral arteries [“stiffness gradient” (SG)], which is of physiologic importance since excessive pulsatility is filtered by the creation of wave reflections. If the aorta gets stiff with minimal or no change in the periphery, the SG is dissipated transmitting pressure disturbances to the microcirculation. It remains unknown the status of the SG in both women with healthy pregnancies (HP) and complicated by pregnancy-associated hypertension (PAH).Objective: To determine whether HP and PAH are associated with changes in SG. Secondarily, we aim at identifying potential differences between the subgroups of PAH (pre-eclampsia and gestational hypertension).Methods: HP (n = 10), PAH (n = 16), and healthy NP women (n = 401, to be matched for age, and cardiovascular risk with the pregnant women) were included. Carotid-to-femoral (cfPWV) and carotid-to-radial pulse wave velocity (crPWV), common carotid artery (CCA) and brachial artery (BA) diameters and elastic modulus (EM), and regional (cfPWV/crPWV or “PWV ratio”) and local (CCA EM/BA EM or “EM ratio”) SG were quantified.Results: HP showed no changes in PWV ratio compared with NP, in the presence of significantly lower cfPWV and crPWV. HP exhibited higher arterial diameters and lower CCA EM/BA EM compared to NP, without differences with PAH. PAH was associated with a significant increase in the PWV ratio that exceeded the levels of both NP and HP, explained by a lower (although significant) reduction of cfPWV with respect to that observed in HP with respect to NP, and a higher reduction in crPWV with respect to that observed between HP and NP. The blunted reduction in cfPWV observed in PAH coincided with an increase in the CCA EM.Conclusions: Compared with NP, HP was associated with unchanged PWV ratio but with a reduction in CCA EM/BA EM, in the setting of a generalized drop in arterial stiffness. Compared with NP and HP, PAH was associated with an “exaggerated rise” in the PWV ratio without changes in CCA EM/BA EM, in the setting of a blunt reduction in cfPWV but exaggerated crPWV drop. The SG attenuation/reversal in PAH was mainly driven by pre-eclampsia.
Published: 2021
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14. Sex- and Age-Related Physiological Profiles for Brachial, Vertebral, Carotid, and Femoral Arteries Blood Flow Velocity Parameters During Growth and Aging (4–76 Years): Comparison With Clinical Cut-Off Levels

Author: Yanina Zócalo and Daniel Bia
Subjects: adolescents, adults, blood flow velocity, brachial, carotid, children, Physiology, QP1-981
Abstract: Ultrasound-derived blood flow velocity (BFV) levels [e.g., peak systolic velocity (PSV)], intrabeat indexes (e.g., resistive), and intersegment ratios [e.g., internal/common carotid artery (ICA/CCA) PSV ratio] are assessed to describe cardiovascular physiology and health status (e.g., disease severity evaluation and/or risk stratification). In this respect, fixed cut-off values (disregard of age or sex) have been proposed to define “significant” vascular disease from BFV-derived data (parameters). However, the use of single fixed cut-off values has limitations. Accurate use of BFV-derived parameters requires knowing their physiological age-related profiles and the expected values for a specific subject. To our knowledge, there are no studies that have characterized BFV profiles in large populations taking into account: (i) data from different age-stages (as a continuous) and transitions (childhood–adolescence–adulthood), (ii) complementary parameters, (iii) data from different arteries, and (iv) potential sex- and hemibody-related differences. Furthermore, (v) there is little information regarding normative data [reference intervals (RIs)] for BFV indexes.Aims: The aims of this study are the following: (a) to determine the need for age-, body side-, and sex-specific profiles for BFV levels and derived parameters (intrabeat indexes and intersegment ratios), and (b) to define RIs for BFV levels and parameters, obtained from CCA, ICA, external carotid, vertebral, femoral, and brachial arteries records.Methods: A total of 3,619 subjects (3–90 years) were included; 1,152 were healthy (without cardiovascular disease and atheroma plaques) and non-exposed to cardiovascular risk factors. BFV data were acquired. The agreement between left and right data was analyzed (Concordance correlation, Bland–Altman). Mean and SD equations and age-related profiles were obtained for BFV levels and parameters (regression methods; fractional polynomials).Results: Left and right body-side derived data were not always equivalent. The need for sex-specific RIs was dependent on the parameter and/or age considered. RIs were defined for each studied artery and parameter. Percentile curves were compared with recommended fixed cut-off points. The equations for sex, body-side, and age-specific BFV physiological profiles obtained in the large population (of children, adolescents, and adults) studied were included (spreadsheet formats), enabling to determine for a particular subject, the expected values and potential data deviations.
Published: 2021
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15. Reference intervals of aortic pulse wave velocity assessed with an oscillometric device in healthy children and adolescents from Argentina

Author: Alejandro Díaz, Yanina Zócalo, Daniel Bia, Franco Sabino, Victoria Rodríguez, and Edmundo Ignacio Cabrera FIscher
Subjects: aortic pulse wave velocity, arterial stiffness, reference intervals, epidemiology, adolescents, children, Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract: Age-related reference intervals (RIs) of aortic pulse wave velocity (Ao-PWV) obtained from a large healthy population are lacking in South America. The aims of this study were to determine Ao-PWV RIs in a cohort of healthy children and adolescents from Argentina and to generate year-to-year percentile curves. Ao-PWV was measured in 1000 healthy subjects non-exposed to traditional cardiovascular risk factors (Age: 10–22 y. o., 56% males). First, we evaluated if RIs for males and females were necessaries (correlation and covariate analysis). Second, mean (M) and standard deviation (SD) age-related equations were obtained for cf-PWV, using parametric regression methods based on fractional polynomials. Third, age-specific (year to year) percentiles curves (for all, males and females children and adolescents) were generated using the standard normal distribution. They were, age-specific 1st, 2.5th, 5th, 10th, 25th, 50th, 75th, 90th, 95th, 97.5th and 99th percentile curves and values. After covariate analysis (i.e., adjusting by age, jugulum-symphysis distance, body weight and height), specific RIs for males and females of children and adolescents were evidenced as necessaries. The equations were For all subjects: Ao-PWV_Mean = 4.98 + 12.86x10−5 Age3. Ao-PWV_SD = 0.47 + 21.00x10−6Age3. For girls: Ao-PWV_Mean = 5.07 + 10.23x10−5Age3. Ao-PWV_SD = 0.50 + 10.00x10−6Age3. For boys: Ao-PWV_Mean = 4.87 + 15.81x10−5Age3. Ao-PWV_SD = 0.46 + 22.34x10−6Age3. Our study provides the largest database to-date concerning Ao-PWV in healthy children and adolescents in Argentina. Age-related equations (M and SD values) for Ao-PWV are reported by the first time. Specific RIs and percentiles of Ao-PWV are now available according to age and sex for an Argentinian population.
Published: 2019
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16. Age- and sex-related profiles for macro, macro/micro and microvascular reactivity indexes: Association between indexes and normative data from 2609 healthy subjects (3-85 years).

Author: Yanina Zócalo and Daniel Bia
Subjects: Medicine, Science
Abstract: Vascular reactivity (VR), defined as blood vessels' capability to actively modify the diameter and flow resistances can be non-invasively assessed analyzing vascular response to forearm occlusion. Several VR indexes can be quantified: (i) ´microvascular´, which consider variables that depend almost exclusively on changes in distal resistances, (ii)´ macrovascular´, that evaluate the changes in brachial artery (BA) diameter, adjusting for blood flow stimulus, and (iii) ´macro/micro´, whose values depend on the micro and macrovascular response without discriminating each one´s contribution. VR indexes could not be associated. Many VR indexes have been used without availability of adequate normative data (reference intervals, RIs).Aims(1) to evaluate macro, macro/micro and micro VR indexes obtained in a cohort of healthy children, adolescents and adults, (2) to evaluate the association between VR indexes, (3) to determine the need for age and/or sex-specific RIs, and (4) to define RIs for VR indexes.MethodsUltrasound (B-mode/Doppler) and automatic computerized analysis were used to assess BA diameter, blood flow velocity and distal resistances, at rest and in conditions of decreased and increased blood flow. Macro, macro/micro and micro VR indexes were quantified (n = 3619). RIs-subgroups were defined according to European Reference Values for Arterial Measurements Collaboration Group (n = 1688, 3-84 years) and HUNT3-Fitness Study Group (n = 2609, 3-85 years) criteria. Mean value and standard deviation equations were obtained for VR indexes. The need for age or sex-specific RIs was analyzed. Percentile curves were defined and data were compared with those obtained in other populations.ConclusionMacro and macro/micro VR indexes showed no association (or it was very weak) with microvascular indexes. Age- and sex-related profiles and RIs for macro, macro/micro and micro VR indexes were defined in a large population of healthy subjects (3-85 y). Equations for mean, standard deviation and percentiles values (year-to-year) were included in text and spreadsheet formats.
Published: 2021
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17. Sobrepeso, obesidad y niveles de presión arterial en niños de nivel 5 de jardines de infantes públicos de Montevideo

Author: María Isabel Bove, Gustavo Giachetto, Raúl Ramírez, Caren Zelmonovich, Valentina Guillermo, Leticia Klaps, Adriana Iturralde, Fabiana Peregalli, Daniel Bia, and Yanina Zócalo
Subjects: SOBREPESO, OBESIDAD PEDIÁTRICA, HIPERTENSIÓN, NIÑO, PREVALENCIA, FACTORES DE RIESGO, Medicine, Medicine (General), R5-920
Abstract: Introducción: en Uruguay, en los últimos años, se ha constatado un incremento en la prevalencia de sobrepeso y obesidad. La evidencia científica ha demostrado que las condiciones en la primera infancia son determinantes. Objetivo: determinar la prevalencia de sobrepeso, obesidad y los niveles de presión arterial (PA) braquial e identificar factores de riesgo asociados en niños de nivel 5 que concurren a jardines públicos de Montevideo. Método: estudio transversal (7/2016-6/2017) en una muestra representativa de 771 niños de nivel 5 de jardines públicos de Montevideo. Se relevó historia y comportamiento alimentario, actividad física, hábitos de sueño, peso y talla materna. En cada niño se registró antropometría y PA braquial. Resultados: la prevalencia de sobrepeso u obesidad fue 40,6% (IC95%: 37,4-44,3), obesidad 16,5% (IC95%: 13,9-19,1) y obesidad abdominal 12,9% (IC95%: 11,0-15,8). Reportaron sobrepeso 29,4% de las madres y obesidad 21,9%. Se observó sedentarismo en 58,3%, exposición prolongada a pantallas en 60,4% y escasas horas de sueño en 40,9%. El consumo frecuente de alfajores, obleas y bizcochos en el desayuno, de embutidos entre semana, la preferencia de alimentos con publicidad, y el reporte de sobrepeso u obesidad materna se asociaron con obesidad infantil. Los niños con sobrepeso, obesidad u obesidad abdominal presentaron mayores niveles de PA braquial. Conclusiones: la prevalencia de sobrepeso y obesidad en niños de nivel 5 de jardines públicos de Montevideo es elevada. El sobrepeso, la obesidad materna y los hábitos en relación con la alimentación, actividad física y sueño se asocian con su presencia.
Published: 2020

18. Physical Activity, Sedentary Behavior and Sleep Time: Association with Cardiovascular Hemodynamic Parameters, Blood Pressure and Structural and Functional Arterial Properties in Childhood

Author: Mariana Gómez-García, Daniel Bia, and Yanina Zócalo
Subjects: aortic pressure, arteries, blood pressure, cardiovascular risk factors, children, movement behaviors, Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract: An association between movement behavior (MB) components (sleep time (ST), physical activity (PA) and sedentary behavior (SB)) and the state of the cardiovascular (CV) system in children has been postulated. However, it is still controversial whether MB components and/or sub-components (domains) during childhood are independently associated with aortic and peripheral blood pressure (BP), and structural or functional arterial properties. Aims: (1) to evaluate MB components and subcomponents associations with CV characteristics, (2) to analyze the explanatory capacity of interindividual variations in MB on CV properties inter-individual variations at the beginning of school age. Methods: Anthropometric, aortic and peripheral BP, hemodynamic levels (cardiac output, systemic vascular resistances), wave reflection indexes, and arterial structural (diameter, intima–media thickness) and functional (blood flow velocities, Doppler-indexes, local and regional arterial stiffness) parameters of elastic (carotids), transitional (brachial) and muscular (femoral) arteries and time spent in MB (PA questionnaires) were assessed in 816 children (5–6 years). Cardiovascular variables were standardized (z-scores), using age- and sex-related mean values and standard deviations obtained from subjects non-exposed to CV risk factors (CRFs) and who complied with 24 h MB recommendations (reference subgroup). Multiple linear regression models were constructed considering the CV z-scores as dependent variables and CRFs and MB components and subcomponents as independent variables. Results: CV variables showed independent association with MB variations. However, their explanatory capacity on CV characteristics was lesser than that of anthropometric indexes, sex and/or high BP. Conclusions: MB components and sub-components were associated with CV characteristics regardless of other factors, but their capacity to explain variations was lesser than that of anthropometric data, sex or high BP state. MB subcomponents (e.g., sedentary play and screen time in case of SB) showed different (even opposite) associations with CV parameters. ST was associated mainly with indexes of the ventricle ejective function, rather than with CV structural characteristics. SB component and subcomponents were associated with BP, but not with structural parameters. PA component and subcomponents were associated with both BP and structural parameters. The different arterial types, as well central and peripheral parameters showed independent associations with MB components and subcomponents. None of these were independently associated with arterial stiffness.
Published: 2021
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19. Aortic pressure and forward and backward wave components in children, adolescents and young-adults: Agreement between brachial oscillometry, radial and carotid tonometry data and analysis of factors associated with their differences.

Author: Agustina Zinoveev, Juan M Castro, Victoria García-Espinosa, Mariana Marin, Pedro Chiesa, Daniel Bia, and Yanina Zócalo
Subjects: Medicine, Science
Abstract: Non-invasive devices used to estimate central (aortic) systolic pressure (cSBP), pulse pressure (cPP) and forward (Pf) and backward (Pb) wave components from blood pressure (BP) or surrogate signals differ in arteries studied, techniques, data-analysis algorithms and/or calibration schemes (e.g. calibrating to calculated [MBPc] or measured [MBPosc] mean pressure). The aims were to analyze, in children, adolescents and young-adults (1) the agreement between cSBP, cPP, Pf and Pb obtained using carotid (CT) and radial tonometry (RT) and brachial-oscillometry (BOSC); and (2) explanatory factors for the differences between approaches-data and between MBPosc and MBPc.1685 subjects (mean/range age: 14/3-35 y.o.) assigned to three age-related groups (3-12; 12-18; 18-35 y.o.) were included. cSBP, cPP, Pf and Pb were assessed with BOSC (Mobil-O-Graph), CT and RT (SphygmoCor) records. Two calibration schemes were considered: MBPc and MBPosc for calibrations to similar BP levels. Correlation, Bland-Altman tests and multiple regression models were applied. Systematic and proportional errors were observed; errors´ statistical significance and values varied depending on the parameter analyzed, methods compared and group considered. The explanatory factors for the differences between data obtained from the different approaches varied depending on the methods compared. The highest cSBP and cPP were obtained from CT; the lowest from RT. Independently of the technique, parameter or age-group, higher values were obtained calibrating to MBPosc. Age, sex, heart rate, diastolic BP, body weight or height were explanatory factors for the differences in cSBP, cPP, Pf or Pb. Brachial BP levels were explanatory factors for the differences between MBPosc and MBPc.
Published: 2019
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20. Changes in Body Size during Early Growth Are Independently Associated with Arterial Properties in Early Childhood

Author: Juan M. Castro, Mariana Marin, Agustina Zinoveev, Victoria García-Espinosa, Pedro Chiesa, Daniel Bia, and Yanina Zócalo
Subjects: aortic pressure, arterial stiffness, birth weight, blood pressure, body size trajectories, children, Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract: Nutritional status in early life stages has been associated with arterial parameters in childhood. However, it is still controversial whether changes in standardized body weight (z-BW), height (z-BH), BW for height (z-BWH) and/or body mass index (z-BMI) in the first three years of life are independently associated with variations in arterial structure, stiffness and hemodynamics in early childhood. In addition, it is unknown if the strength of the associations vary depending on the growth period, nutritional characteristics and/or arterial parameters analyzed. Aims: First, to compare the strength of association between body size changes (Δz-BW, Δz-BH, Δz-BWH, Δz-BMI) in different time intervals (growth periods: 0–6, 0–12, 0–24, 0–36, 12–24, 12–36, 24–36 months (m)) and variations in arterial structure, stiffness and hemodynamics at age 6 years. Second, to determine whether the associations depend on exposure to cardiovascular risk factors, body size at birth and/or on body size at the time of the evaluation (cofactors). Anthropometric (at birth, 6, 12, 24, 36 m and at age 6 years), hemodynamic (peripheral and central (aortic)) and arterial (elastic (carotid) and muscular (femoral) arteries; both hemi-bodies) parameters were assessed in a child cohort (6 years; n =632). The association between arterial parameters and body size changes (Δz-BW, Δz-BH, Δz-BWH, Δz-BMI) in the different growth periods was compared, before and after adjustment by cofactors. Results: Δz-BW 0–24 m and Δz-BWH 0–24 m allowed us to explain inter-individual variations in structural arterial properties at age 6 years, with independence of cofactors. When the third year of life was included in the analysis (0–36, 12–36, 24–36 m), Δz-BW explained hemodynamic (peripheral and central) variations at age 6 years. Δz-BH and Δz-BMI showed limited associations with arterial properties. Conclusion: Δz-BW and Δz-BWH are the anthropometric variables with the greatest association with arterial structure and hemodynamics in early childhood, with independence of cofactors.
Published: 2021
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21. Physiological Age- and Sex-Related Profiles for Local (Aortic) and Regional (Carotid-Femoral, Carotid-Radial) Pulse Wave Velocity and Center-to-Periphery Stiffness Gradient, with and without Blood Pressure Adjustments: Reference Intervals and Agreement between Methods in Healthy Subjects (3–84 Years)

Author: Daniel Bia and Yanina Zócalo
Subjects: adolescents, adults, arterial stiffness, blood pressure, children, pulse wave velocity, Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract: In addition to being a marker of cardiovascular (CV) aging, aortic stiffening has been shown to be independently associated with increased CV risk (directly and/or indirectly due to stiffness-gradient attenuation). Arterial stiffness determines the rate at which the pulse pressure wave propagates (i.e., pulse wave velocity, PWV). Thus, propagated PWV (i.e., the distance between pressure-wave recording sites divided by the pulse transit time) was proposed as an arterial stiffness index. Presently, aortic PWV is considered a gold-standard for non-invasive stiffness evaluation. The limitations ascribed to PWV have hampered its use in clinical practice. To overcome the limitations, different approaches and parameters have been proposed (e.g., local PWV obtained by wave separation and pulse wave analysis). In turn, it has been proposed to determine PWV considering blood pressure (BP) levels (β-PWV), so as to evaluate intrinsic arterial stiffness. It is unknown whether the different approaches used to assess PWV or β-PWV are equivalent and there are few data regarding age- and sex-related reference intervals (RIs) for regional and local PWV, β-PWV and PWV ratio. Aims: (1) to evaluate agreement between data from different stiffness indexes, (2) to determine the need for sex-specific RIs, and (3) to define RIs for PWV, β-PWV and PWV ratio in a cohort of healthy children, adolescents and adults. Methods: 3619 subjects (3–90 y) were included, 1289 were healthy and non-exposed to CV risk factors. Carotid-femoral (cfPWV) and carotid-radial (crPWV) PWV were measured (SphygmoCor System (SCOR)) and PWV ratio (cfPWV/crPWV) was quantified. Local aortic PWV was obtained directly from carotid waves (aoPWV-Carotid; SCOR) and indirectly (generalized transfer function use) from radial (aoPWV-Radial; SCOR) and brachial (aoPWV-Brachial; Mobil-O-Graph system (MOG)) recordings. β-PWV was assessed by means of cardio-ankle brachial (CAVI) and BP-corrected CAVI (CAVIo) indexes. Analyses were done before and after adjustment for BP. Data agreement was analyzed (correlation, Bland-Altman). Mean and standard deviation (age- and sex-related) equations were obtained for PWV parameters (regression methods based on fractional polynomials). Results: The methods and parameters used to assess aortic stiffness showed different association levels. Stiffness data were not equivalent but showed systematic and proportional errors. The need for sex-specific RIs depended on the parameter and/or age considered. RIs were defined for all the studied parameters. The study provides the largest data set related to agreement and RIs for stiffness parameters obtained in a single population.
Published: 2021
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22. Carotid and Femoral Atherosclerotic Plaques in Asymptomatic and Non-Treated Subjects: Cardiovascular Risk Factors, 10-Years Risk Scores, and Lipid Ratios’ Capability to Detect Plaque Presence, Burden, Fibro-Lipid Composition and Geometry

Author: Mariana Marin, Daniel Bia, and Yanina Zócalo
Subjects: aortic pressure, asymptomatic subjects, atherosclerotic plaques, cardiovascular risk, carotid, femoral, lipid ratios, plaque composition, subclinical atherosclerosis, virtual histology, Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract: Carotid and/or femoral atherosclerotic plaques (AP) assessment through imaging studies is an interesting strategy for improving individual cardiovascular risk (CVR) stratification and cardiovascular disease (CVD) and/or events prediction. There is no consensus on who would benefit from image screening aimed at determining AP presence, burden, and characteristics. Aims: (1) to identify, in asymptomatic and non-treated subjects, demographic factors, anthropometric characteristics and cardiovascular risk factors (CRFs), individually or grouped (e.g., CVR equations, pro-atherogenic lipid ratios) associated with carotid and femoral AP presence, burden, geometry, and fibro-lipid content; (2) to identify cut-off values to be used when considering the variables as indicators of increased probability of AP presence, elevated atherosclerotic burden, and/or lipid content, in a selection scheme for subsequent image screening. Methods: CRFs exposure and clinical data were obtained (n = 581; n = 144 with AP; 47% females). Arterial (e.g., ultrasonography) and hemodynamic (central [cBP] and peripheral blood pressure; oscillometry/applanation tonometry) data were obtained. Carotid and femoral AP presence, burden (e.g., AP number, involved territories), geometric (area, width, height) and fibro-lipid content (semi-automatic, virtual histology analysis, grayscale analysis and color mapping) were assessed. Lipid profile was obtained. Lipid ratios (Total cholesterol/HDL-cholesterol, LDL-cholesterol/HDL-cholesterol, LogTryglicerides(TG)/HDL-cholesterol) and eight 10-years [y.]/CVR scores were quantified (e.g., Framingham Risk Scores [FRS] for CVD). Results: Age, 10-y./CVR and cBP showed the highest levels of association with AP presence and burden. Individually, classical CRFs and lipid ratios showed almost no association with AP presence. 10-y./CVR levels, age and cBP enabled detecting AP with large surfaces (˃p75th). Lipid ratios showed the largest association with AP fibro-lipid content. Ultrasound evaluation could be considered in asymptomatic and non-treated subjects aiming at population screening of AP (e.g., ˃ 45 y.; 10-y./FRS-CVD ˃ 5−8%); identifying subjects with high atherosclerotic burden (e.g., ˃50 y., 10-y./FRS-CVD ˃ 13−15%) and/or with plaques with high lipid content (e.g., LogTG/HDL ˃ 0.135).
Published: 2020
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23. Carotid Intima Media Thickness Reference Intervals for a Healthy Argentinean Population Aged 11–81 Years

Author: Alejandro Diaz, Daniel Bia, Yanina Zócalo, Hugo Manterola, Ignacio Larrabide, Lucas Lo Vercio, Mariana Del Fresno, and Edmundo Cabrera Fischer
Subjects: Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract: Reference intervals (RIs) of carotid intima media thickness (CIMT) from large healthy population are still lacking in Latin America. The aim of this study was to determine CIMT RIs in a cohort of 1012 healthy subjects from Argentina. We evaluated if RIs for males and females and for left and right carotids were necessary. Second, mean and standard deviation (SD) age-related equations were obtained for left, right, and average (left + right)/2) CIMT using parametric regression methods based on fractional polynomials, in order to obtain age-specific percentiles curves. Age-specific percentile curves were obtained. Males showed higher A-CIMT (0.577±0.003 mm versus 0.566±0.004 mm, P=0.039) in comparison with females. For males, the equations were as follows: A-CIMT mean = 0.42 + 8.14×10-5⁎Age2; A-CIMT SD = 5.9 × 10−2 + 1.09×10-5⁎Age2. For females, they were as follows: A-CIMT mean = 0.40 + 8.20×10-5⁎Age2; A-CIMT SD = 4.67 × 10−2 + 1.63×10-5⁎Age2. Our study provides the largest database concerning RIs of CIMT in healthy people in Argentina. Specific RIs and percentiles of CIMT for children, adolescents, and adults are now available according to age and gender, for right and left common carotid arteries.
Published: 2018
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24. Reference Intervals of Central Aortic Blood Pressure and Augmentation Index Assessed with an Oscillometric Device in Healthy Children, Adolescents, and Young Adults from Argentina

Author: Alejandro Diaz, Yanina Zócalo, Daniel Bia, and Edmundo Cabrera Fischer
Subjects: Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract: Age-related reference intervals (RIs) of central (aortic) systolic blood pressure (cSBP) and augmentation index (cAIx) obtained from large healthy population are lacking in Argentina (South America). Aims. To analyze the existence of associations among cSBP and cAIx with demographic, anthropometric, and hemodynamic parameters and to generate percentile curves and RIs adjusted to each level of age and gender and/or body height. cSBP and cAIx were measured in 1038 healthy children, adolescents, and young adults. First, we evaluated if RIs for males and females were necessary using correlation and covariate analysis. Second, mean (M) and standard deviation (SD) age-related equations were obtained for cSBP and cAIx, using parametric regression methods based on fractional polynomials. Third, age specific percentiles curves were generated. Fourth, body height specific percentiles curves were generated using a similar procedure. The obtained equations (considering age as independent variable) for all subjects (cSBP0.26 and (cAIx + 12.001)0.5) were as follows: cSBP Mean = 3.0581 + 0.2189 log(Age) − 0.001044Age; cSBP SD = −0.03919 + 0.1535 log(Age) − 0.004564Age; cAIx mean = 9.5226 − 6.1599 log(Age) + 0.1450Age; cAIx SD = 1.3880 − 0.8468 log(Age) + 0.03212Age. This study, performed in Argentinean healthy children, adolescents, and young adults with ages of 5 to 22 years, provides the first RIs and percentile curves of cSBP and cAIx. Additionally, specific body height-related cAIx percentiles are reported for the analyzed population. The RIs and percentiles contribute to the knowledge of arterial dynamic evolution along the normal aging process and the interpretation of data obtained in clinical research and daily clinical practice.
Published: 2018
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25. LAA1 HEMODYNAMIC AND STRUCTURAL ARTERIAL PARAMETERS’ ASSOCIATION WITH INTERINDIVIDUAL VARIATIONS OF BODY MASS INDEX IN CHILDHOOD AND ADOLESCENCE

Author: Victoria Garcia, Santiago Curcio, Agustina Zinoveev, Gustavo Giachetto, Pedro Chiesa, Daniel Bia, and Yanina Zócalo
Subjects: Specialties of internal medicine, RC581-951, Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract: Background: Several works analyze arterial parameters’ (stiffness levels, wall thickness, etc.) association with variations of body mass index (BMI) in pediatric populations. However, none integrate different arterial parameters as comparable continuous (standardized) variables, in order to assess their association with standardized (age- and sex-independent) BMI scores (zBMI). Aims: To analyze the association of standardized arterial parameters with interindividual variations of zBMI. Methods: 609 children and adolescents (mean age/range: 12/4–18 years, 45% females) were studied. Body mass index (BMI) was calculated. zBMI scores were derived from population-based tables. Non-invasive arterial assessment was performed: oscillometric measurements of peripheral systolic (pSBP), diastolic (pDBP) and pulse pressure (pPP), and central (applanation tonometry) systolic (cSBP), diastolic (cDBP) and pulse pressure (cPP); ultrasonographic measurements of common carotid (CCA), femoral (CFA) and brachial (BA) diastolic diameters (DD), and CCA intima-media thickness (cIMT). Arterial elastic moduli (EM) were calculated. Arterial parameters were standardized with equations derived from a reference population (no cardiovascular risk factor exposure). Simple linear regression models were obtained for the different standardized arterial parameters with zBMI as the independent variable. Statistical threshold was 0.05. Results: We found a positive and significant association between zBMI and standardized pSBP (β = 0.210), pPP (β = 0.150), cSBP (β = 0.204) and cPP (β = 0.188), CCA DD (β = 0.145), FCA (β = 0.143), BA (β = 0.210), cIMT (β = 0.135), and CCA EM (β = 0.117). Conclusions: Higher zBMI associated higher standardized arterial blood pressure, stiffness levels, diameters and thickness. Hemodynamic parameters presented the stronger associations with zBMI variations.
Published: 2017
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26. Arterial Structural and Functional Characteristics at End of Early Childhood and Beginning of Adulthood: Impact of Body Size Gain during Early, Intermediate, Late and Global Growth

Author: Juan M. Castro, Victoria García-Espinosa, Agustina Zinoveev, Mariana Marin, Cecilia Severi, Pedro Chiesa, Daniel Bia, and Yanina Zócalo
Subjects: adolescents, arterial stiffness, birth weight, body-size trajectories, cardio-metabolic health, children, growth, intima-media thickness, blood pressure, Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract: An association between nutritional characteristics in theearlylife stages and the state of the cardiovascular (CV) system in early childhood itself and/or at the beginning of adulthood has been postulated. It is still controversial whether changes in weight, height and/or body mass index (BMI) during childhood or adolescence are independently associated with hemodynamics and/or arterial properties in early childhood and adulthood. Aims: First, to evaluate and compare the strength of association between CVproperties (at 6 and 18 years (y)) and (a) anthropometric data at specific growth stages (e.g., birth, 6 y, 18 y) and (b) anthropometric changes during early (0−2 y), intermediate (0−6 y), late (6−18 y) and global (0−18 y) growth. Second, to determine whether the associations between CVproperties and growth-related body changes depend on size at birth and/or at the time of CVstudy. Third, to analyze the capacity of growth-related body size changes to explain hemodynamic and arterial properties in early childhood and adulthood before and after adjusting for exposure to CV risk factors. Anthropometric, hemodynamic (central, peripheral) and arterial parameters (structural, functional; elastic, transitional and muscular arteries) were assessed in two cohorts (children, n = 682; adolescents, n = 340). Data wereobtained and analyzed following identical protocols. Results: Body-size changes in infancy (0−2 y) and childhood (0−6 y) showed similar strength of association with CV properties at 6 y. Conversely, 0−6, 6-18 or 0−18 ychanges were not associated with CV parameters at 18 y. The association between CV properties at 6 yand body-size changes during growth showed: equal or greater strength than the observed for body-size at birth, and lower strength compared to that obtained for current z-BMI. Conversely, only z-BMI at 18 y showed associations with CV z-scores at 18 y. Body size at birth showed almost no association with CVproperties at 6 or 18 y. Conclusion: current z-BMI showed the greatest capacity to explain variations in CV properties at 6 and 18 y. Variations in some CV parameters were mainly explained by growth-related anthropometric changes and/or by their interaction with current z-BMI. Body size at birth showed almost no association with arterial properties at 6 or 18 y.
Published: 2019
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27. Children and Adolescent Obesity Associates with Pressure-Dependent and Age-Related Increase in Carotid and Femoral Arteries’ Stiffness and Not in Brachial Artery, Indicative of Nonintrinsic Arterial Wall Alteration

Author: Victoria García-Espinosa, Santiago Curcio, Juan Manuel Castro, Maite Arana, Gustavo Giachetto, Pedro Chiesa, Yanina Zócalo, and Daniel Bia
Subjects: Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract: Aim. To analyze if childhood obesity associates with changes in elastic, transitional, and/or muscular arteries’ stiffness. Methods. 221 subjects (4–15 years, 92 females) were assigned to normal weight (NW, n=137) or obesity (OB, n=84) groups, considering their body mass index z-score. Age groups were defined: 4–8; 8–12; 12–15 years old. Carotid, femoral, and brachial artery local stiffness was determined through systodiastolic pressure-diameter and stress-strain relationships. To this end, arterial diameter and peripheral and aortic blood pressure (BP) levels and waveforms were recorded. Carotid-femoral, femoropedal, and carotid-radial pulse wave velocities were determined to evaluate aortic, lower-limb, and upper-limb regional arterial stiffness, respectively. Correlation analysis between stiffness parameters and BP was done. Results. Compared to NW, OB subjects showed higher peripheral and central BP and carotid and femoral stiffness, reaching statistical significance in subjects aged 12 and older. Arterial stiffness differences disappeared when levels were normalized for BP. There were no differences in intrinsic arterial wall stiffness (elastic modulus), BP stiffness relationships, and regional stiffness parameters. Conclusion. OB associates with BP-dependent and age-related increase in carotid and femoral (but not brachial) stiffness. Stiffness changes would not be explained by intrinsic arterial wall alterations but could be associated with the higher BP levels observed in obese children.
Published: 2016
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28. Childhood Obesity Associates Haemodynamic and Vascular Changes That Result in Increased Central Aortic Pressure with Augmented Incident and Reflected Wave Components, without Changes in Peripheral Amplification

Author: Juan M. Castro, Victoria García-Espinosa, Santiago Curcio, Maite Arana, Pedro Chiesa, Gustavo Giachetto, Yanina Zócalo, and Daniel Bia
Subjects: Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract: The aims were to determine if childhood obesity is associated with increased central aortic blood pressure (BP) and to characterize haemodynamic and vascular changes associated with BP changes in obese children and adolescents by means of analyzing changes in cardiac output (stroke volume, SV), arterial stiffness (aortic pulse wave velocity, PWV), peripheral vascular resistances (PVR), and net and relative contributions of reflected waves to the aortic pulse wave amplitude. We included 117 subjects (mean/range age: 10 (5–15) years, 49 females), who were obese (OB) or had normal weight (NW). Peripheral and central aortic BP, PWV, and pulse wave-derived parameters (augmentation index, amplitude of forward and backward components) were measured with tonometry (SphygmoCor) and oscillometry (Mobil-O-Graph). With independence of the presence of dyslipidemia, hypertension, or sedentarism, the aortic systolic and pulse BP were higher in OB than in NW subjects. The increase in central BP could not be explained by the elevation in the relative contribution of reflections to the aortic pressure wave and higher PVR or by an augmented peripheral reflection coefficient. Instead, the rise in central BP could be explained by an increase in the amplitude of both incident and reflect wave components associated to augmented SV and/or PWV.
Published: 2016
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29. Regional differences in veins wall viscosity, compliance. energetics and damping: analysis of the pressure-diameter relationship during cyclical overloads

Author: YANINA ZÓCALO, DANIEL BIA, SEBASTIÁN LLUBERAS, and RICARDO L ARMENTANO
Subjects: compliance, damping, energetic, vascular physiology, venous wall, viscosity, Biology (General), QH301-705.5
Abstract: Background: The characterization of the dynamic process of veins walls is essential to understand venous functioning under normal and pathological conditions. However, little work has been done on dynamic venous properties. Aim: To characterize vein compliance (C), viscosity (η), peak-strain (W St) and dissipated (W D) energy, damping (ξ), and their regional differences in order to evalúate their role in venous functioning during volume-pressure overloads. Methods: In a mock circulation, pressure (P) and diameter (D) of different veins (anterior cava, jugular and femoral; from 7 sheep), were registered during cyclical volume-pressure pulses. From the P-D relationship, C, W St and ξ (at low and high P-D leveis), η and W D were calculated. Resulls: For each vein there were P-dependent differences in biomechanical, energetics, and damping capability. There were regional-differences in C, η), W St and W D (p
Published: 2008

30. Normal Pregnancy Is Associated with Changes in Central Hemodynamics and Enhanced Recruitable, but Not Resting, Endothelial Function

Author: Juan Torrado, Yanina Zócalo, Ignacio Farro, Federico Farro, Claudio Sosa, Santiago Scasso, Justo Alonso, and Daniel Bia
Subjects: Gynecology and obstetrics, RG1-991
Abstract: Introduction. Flow-mediated dilation (FMD), low flow-mediated constriction (L-FMC), and reactive hyperemia-related changes in carotid-to-radial pulse wave velocity (ΔPWVcr%) could offer complementary information about both “recruitability” and “resting” endothelial function (EF). Carotid-to-femoral pulse wave velocity (PWVcf) and pulse wave analysis-derived parameters (i.e., AIx@75) are the gold standard methods for noninvasive evaluation of aortic stiffness and central hemodynamics. If healthy pregnancy is associated with both changes in resting and recruitable EF, as well as in several arterial parameters, it remains unknown and/or controversial. Objectives. To simultaneously and noninvasively assess in healthy pregnant (HP) and nonpregnant (NP) women central parameters in conjunction with “basal and recruitable” EF, employing new complementary approaches. Methods. HP (n=11, 34.2 ± 3.3 weeks of gestation) and age- and cardiovascular risk factors-matched NP (n=22) were included. Aortic blood pressure (BP), AIx@75, PWVcf, common carotid stiffness, and intima-media thickness, as well as FMD, L-FMC, and ΔPWVcr %, were measured. Results. Aortic BP, stiffness, and AIx@75 were reduced in HP. ΔPWVcr% and FMD were enhanced in HP in comparison to NP. No differences were found in L-FMC between groups. Conclusion. HP is associated with reduced aortic stiffness, central BP, wave reflections, and enhanced recruitable, but not resting, EF.
Published: 2015
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31. Preeclampsia Is Associated with Increased Central Aortic Pressure, Elastic Arteries Stiffness and Wave Reflections, and Resting and Recruitable Endothelial Dysfunction

Author: Juan Torrado, Ignacio Farro, Yanina Zócalo, Federico Farro, Claudio Sosa, Santiago Scasso, Justo Alonso, and Daniel Bia
Subjects: Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract: Introduction. An altered endothelial function (EF) could be associated with preeclampsia (PE). However, more specific and complementary analyses are required to confirm this topic. Flow-mediated dilation (FMD), low-flow-mediated constriction (L-FMC), and hyperemic-related changes in carotid-radial pulse wave velocity (PWVcr) offer complementary information about “recruitability” of EF. Objectives. To evaluate, in healthy and hypertensive pregnant women (with and without PE), central arterial parameters in conjunction with “basal and recruitable” EF. Methods. Nonhypertensive (HP) and hypertensive pregnant women (gestational hypertension, GH; preeclampsia, PE) were included. Aortic blood pressure (BP), wave reflection parameters (AIx@75), aortic pulse wave velocity (PWVcf) and PWVcr, and brachial and common carotid stiffness and intima-media thickness were measured. Brachial FMD and L-FMC and hyperemic-related change in PWVcr were measured. Results. Aortic BP and AIx@75 were elevated in PE. PE showed stiffer elastic but not muscular arteries. After cuff deflation, PWVcr decreased in HP, while GH showed a blunted PWVcr response and PE showed a tendency to increase. Maximal FMD and L-FMC were observed in HP followed by GH; PE did not reach significant arterial constriction. Conclusion. Aortic BP and wave reflections as well as elastic arteries stiffness are increased in PE. PE showed both “resting and recruitable” endothelial dysfunctions.
Published: 2015
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32. Arterial Stiffness and Renal Replacement Therapy: A Controversial Topic

Author: Edmundo Cabrera Fischer, Yanina Zócalo, Cintia Galli, Sandra Wray, and Daniel Bia
Subjects: Diseases of the genitourinary system. Urology, RC870-923
Abstract: The increase of arterial stiffness has been to have a significant impact on predicting mortality in end-stage renal disease patients. Pulse wave velocity (PWV) is a noninvasive, reliable parameter of regional arterial stiffness that integrates the vascular geometry and arterial wall intrinsic elasticity and is capable of predicting cardiovascular mortality in this patient population. Nevertheless, reports on PWV in dialyzed patients are contradictory and sometimes inconsistent: some reports claim the arterial wall stiffness increases (i.e., PWV increase), others claim that it is reduced, and some even state that it augments in the aorta while it simultaneously decreases in the brachial artery pathway. The purpose of this study was to analyze the literature in which longitudinal or transversal studies were performed in hemodialysis and/or peritoneal dialysis patients, in order to characterize arterial stiffness and the responsiveness to renal replacement therapy.
Published: 2015
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33. Hydration Status Is Associated with Aortic Stiffness, but Not with Peripheral Arterial Stiffness, in Chronically Hemodialysed Patients

Author: Daniel Bia, Cintia Galli, Rodolfo Valtuille, Yanina Zócalo, Sandra A. Wray, Ricardo L. Armentano, and Edmundo I. Cabrera Fischer
Subjects: Diseases of the genitourinary system. Urology, RC870-923
Abstract: Background. Adequate fluid management could be essential to minimize high arterial stiffness observed in chronically hemodialyzed patients (CHP). Aim. To determine the association between body fluid status and central and peripheral arterial stiffness levels. Methods. Arterial stiffness was assessed in 65 CHP by measuring the pulse wave velocity (PWV) in a central arterial pathway (carotid-femoral) and in a peripheral pathway (carotid-brachial). A blood pressure-independent regional arterial stiffness index was calculated using PWV. Volume status was assessed by whole-body multiple-frequency bioimpedance. Patients were first observed as an entire group and then divided into three different fluid status-related groups: normal, overhydration, and dehydration groups. Results. Only carotid-femoral stiffness was positively associated (P
Published: 2015
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34. Hyperemia-Related Changes in Arterial Stiffness: Comparison between Pulse Wave Velocity and Stiffness Index in the Vascular Reactivity Assessment

Author: Juan Torrado, Daniel Bia, Yanina Zócalo, Ignacio Farro, Federico Farro, and Ricardo L. Armentano
Subjects: Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract: Carotid-to-radial pulse wave velocity (PWVcr) has been proposed to evaluate endothelial function. However, the measurement of PWVcr is not without limitations. A new simple approach could have wide application. Stiffness index (SI) is obtained by analysis of the peripheral pulse wave and gives reproducible information about stiffness of large arteries. This study assessed the effects of hyperemia on SI and compared it with PWVcr in 14 healthy subjects. Both were measured at rest and during 8 minutes after ischemia. SI temporal course was determined. At 1 minute, SI and PWVcr decreased (5.58±0.24 to 5.34±0.23 m/s, P
Published: 2012
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35. Vascular Accesses for Haemodialysis in the Upper Arm Cause Greater Reduction in the Carotid-Brachial Stiffness than Those in the Forearm: Study of Gender Differences

Author: Daniel Bia, Edmundo I. Cabrera-Fischer, Yanina Zócalo, Cintia Galli, Sebastián Graf, Rodolfo Valtuille, Héctor Pérez-Cámpos, María Saldías, Inés Álvarez, and Ricardo L. Armentano
Subjects: Diseases of the genitourinary system. Urology, RC870-923
Abstract: Purpose. To evaluate in chronically haemodialysed patients (CHPs), if: (1) the vascular access (VA) position (upper arm or forearm) is associated with differential changes in upper limb arterial stiffness; (2) differences in arterial stiffness exist between genders associated with the VA; (3) the vascular substitute (VS) of choice, in biomechanical terms, depends on the previous VA location and CHP gender. Methods. 38 CHPs (18 males; VA in upper arm: 18) were studied. Left and right carotid-brachial pulse wave velocity (PWVc-b) was measured. In in vitro studies, PWV was obtained in ePTFE prostheses and in several arterial and venous homografts obtained from donors. The biomechanical mismatch (BM) between CHP native vessel (NV) and VS was calculated. Results/Conclusions. PWVc-b in upper limbs with VA was lower than in the intact contralateral limbs (P
Published: 2012
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36. Pulse Wave Velocity as Marker of Preclinical Arterial Disease: Reference Levels in a Uruguayan Population Considering Wave Detection Algorithms, Path Lengths, Aging, and Blood Pressure

Author: Ignacio Farro, Daniel Bia, Yanina Zócalo, Juan Torrado, Federico Farro, Lucía Florio, Alicia Olascoaga, Walter Alallón, Ricardo Lluberas, and Ricardo L. Armentano
Subjects: Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract: Carotid-femoral pulse wave velocity (PWV) has emerged as the gold standard for non-invasive evaluation of aortic stiffness; absence of standardized methodologies of study and lack of normal and reference values have limited a wider clinical implementation. This work was carried out in a Uruguayan (South American) population in order to characterize normal, reference, and threshold levels of PWV considering normal age-related changes in PWV and the prevailing blood pressure level during the study. A conservative approach was used, and we excluded symptomatic subjects; subjects with history of cardiovascular (CV) disease, diabetes mellitus or renal failure; subjects with traditional CV risk factors (other than age and gender); asymptomatic subjects with atherosclerotic plaques in carotid arteries; patients taking anti-hypertensives or lipid-lowering medications. The included subjects (n=429) were categorized according to the age decade and the blood pressure levels (at study time). All subjects represented the “reference population”; the group of subjects with optimal/normal blood pressures levels at study time represented the “normal population.” Results. Normal and reference PWV levels were obtained. Differences in PWV levels and aging-associated changes were obtained. The obtained data could be used to define vascular aging and abnormal or disease-related arterial changes.
Published: 2012
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37. Integrated Evaluation of Age-Related Changes in Structural and Functional Vascular Parameters Used to Assess Arterial Aging, Subclinical Atherosclerosis, and Cardiovascular Risk in Uruguayan Adults: CUiiDARTE Project

Author: Daniel Bia, Yanina Zócalo, Ignacio Farro, Juan Torrado, Federico Farro, Lucía Florio, Alicia Olascoaga, Javier Brum, Walter Alallón, Carlos Negreira, Ricardo Lluberas, and Ricardo L. Armentano
Subjects: Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract: This work was carried out in a Uruguayan (South American) population to characterize aging-associated physiological arterial changes. Parameters markers of subclinical atherosclerosis and that associate age-related changes were evaluated in healthy people. A conservative approach was used and people with nonphysiological and pathological conditions were excluded. Then, we excluded subjects with (a) cardiovascular (CV) symptoms, (b) CV disease, (c) diabetes mellitus or renal failure, and (d) traditional CV risk factors (other than age and gender). Subjects (n=388) were submitted to non-invasive vascular studies (gold-standard techniques), to evaluate (1) common (CCA), internal, and external carotid plaque prevalence, (2) CCA intima-media thickness and diameter, (3) CCA stiffness (percentual pulsatility, compliance, distensibility, and stiffness index), (4) aortic stiffness (carotid-femoral pulse wave velocity), and (5) peripheral and central pressure wave-derived parameters. Age groups: ≤20, 21–30, 31–40, 41–50, 51–60, 61–70, and 71–80 years old. Age-related structural and functional vascular parameters profiles were obtained and analyzed considering data from other populations. The work has the strength of being the first, in Latin America, that uses an integrative approach to characterize vascular aging-related changes. Data could be used to define vascular aging and abnormal or disease-related changes.
Published: 2011
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38. Shedding Light on the Pathophysiology of Preeclampsia-Syndrome in the Era of Cardio-Obstetrics: Role of Inflammation and Endothelial Dysfunction

Author: Daniel Bia, Claudio Sosa, Yanina Zócalo, María M Pereira, and Juan Torrado
Subjects: medicine.medical_specialty, Inflammation, 030204 cardiovascular system & hematology, Systemic inflammation, Preeclampsia, 03 medical and health sciences, 0302 clinical medicine, Pre-Eclampsia, Pregnancy, Early prediction, Internal Medicine, medicine, Humans, 030212 general & internal medicine, Endothelial dysfunction, Intensive care medicine, business.industry, Infant, Newborn, medicine.disease, Pathophysiology, Obstetrics, Female, medicine.symptom, Complication, business
Abstract: Background: Preeclampsia (PE) is a pregnancy complication with serious maternal and neonatal consequences worldwide. Our understanding of PE pathophysiology has significantly evolved over the last decades by recognizing that endothelial dysfunction and systemic inflammation, with an associated angiogenic imbalance, are key pieces of this incomplete puzzle. In the present era, where no single treatment to cure or treat this obstetric condition has been developed so far, PE prevention and early prediction are the most useful clinical approach to reduce the PE burden. Introduction: Although most PE episodes occur in healthy nulliparous women, the identification of specific clinical conditions that increase the risk of PE dramatically provides a critical opportunity to improve outcomes by acting on potentially reversible factors, and also contributes to better understand this pathophysiologic enigma. Methods: Pertinent studies were searched in PubMed/Medline and Google Scholar (updated August 2020) using common keywords applied in the field of preeclampsia, inflammation and endothelial dysfunction. Given the design of this work as a narrative review, no formal criteria for study selection or appraisal were utilized. Conclusion: In this review, we highlight major clinical contributors of PE and shed light on their potential link with endothelial dysfunction and inflammation.
Published: 2022

39. Analysis of Viscoelastic Wall Properties in Ovine Arteries.

Author: Daniela Valdez-Jasso, Mansoor A. Haider, H. T. Banks, Daniel Bia Santana, Yanina Zócalo Germán, Ricardo L. Armentano, and Mette S. Olufsen
Published: 2009
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40. Stroke volume and cardiac output non-invasive monitoring based on brachial oscillometry-derived pulse contour analysis: Explanatory variables and reference intervals throughout life (3–88 years)

Author: Agustina Zinoveev, Juan M. Castro, Yanina Zócalo, Alejandro Diaz, Victoria García-Espinosa, Mariana Marin, Daniel Bia, and Pedro Chiesa
Subjects: Adult, medicine.medical_specialty, Percentile, Cardiac output, pulse contour analysis, Adolescent, Cardiac index, 030204 cardiovascular system & hematology, Clinical Cardiology, urologic and male genital diseases, 03 medical and health sciences, 0302 clinical medicine, children, Heart Rate, Reference Values, Internal medicine, Oscillometry, Heart rate, medicine, adults, Humans, adolescents, Body surface area, business.industry, cardiac output, Regression analysis, Stroke Volume, General Medicine, Stroke volume, Anthropometry, reference intervals, Cardiology, Original Article, Cardiology and Cardiovascular Medicine, business
Abstract: Background: Non-invasive assessment of stroke volume (SV), cardiac output (CO) and cardiac index (CI) has shown to be useful for the evaluation, diagnosis and/or management of different clinical conditions. Through pulse contour analysis (PCA) cuff‑based oscillometric devices would enable obtaining ambulatory operator-independent non-invasive hemodynamic monitoring. There are no reference intervals (RIs), when considered as a continuum in childhood, adolescence and adult life, for PCA-derived SV [SV(PCA)], CO [CO(PCA)] and CI [CI(PCA)]. The aim of the study were to analyze the associations of SV(PCA), CO(PCA) and CI(PCA) with demographic, anthropometric, cardiovascular risk factors (CVRFs) and hemodynamic parameters, and to define RIs and percentile curves for SV(PCA), CO(PCA) and CI(PCA), considering the variables that should be considered when expressing them. Methods: In 1449 healthy subjects (3–88 years) SV(PCA), CO(PCA) and CI(PCA) were non-invasively obtained (Mobil-O-Graph; Germany). Analysis: associations between subject characteristics and SV(PCA), CO(PCA) and CI(PCA) levels (correlations; regression models); RIs and percentiles for SV(PCA), CO(PCA) and CI(PCA) (parametric methods; fractional polynomials). Results: Sex, age, and heart rate would be explanatory variables for SV, CO, and CI levels. SV levels were also examined by body height, while body surface area (BSA) contributing to evaluation of CO and CI. CVRFs exposure did not contribute to independently explain the values of the dependent variables. SV, CO and CI levels were partially explained by the oscillometric-derived signal quality. RIs and percentiles were defined. Conclusions: Reference intervals and percentile for SV(PCA), CO(PCA) and CI(PCA), were defined for subjects from 3–88 years of age, results are expressed according to sex, age, heart rate, body height and/or BSA.
Published: 2020

41. Aging-Related Moderation of the Link Between Compliance With International Physical Activity Recommendations and the Hemodynamic, Structural, and Functional Arterial Status of 3,619 Subjects Aged 3-90 Years

Author: Yanina Zócalo, Mariana Gómez-García, Juan Torrado, and Daniel Bia
Abstract: BackgroundCompliance with physical activity recommendations (CPARs) is associated with better health indicators. However, there are only few studies to date that have comprehensively analyzed the association between CPARs and cardiovascular status “as a whole” (e.g., analyzing hemodynamic, structural, and functional properties, and different arterial territories). The relationship between CPARs and cardiovascular properties could be strongly influenced by the growth and aging process.AimThe goal of the study is to investigate the association between CPAR and cardiovascular properties by placing special emphasis on: (i) identifying if there is an independent association, (ii) if the association is “moderated” by age, and (iii) to what extent the association depends on the arterial parameter (hemodynamic vs. structural vs. functional) and/or the arterial segment (e.g., central vs. peripheral; elastic vs. transitional vs. muscular arteries).MethodsA total of 3,619 subjects (3–90 years of age) were studied. Extensive cardiovascular evaluations were performed. Cardiovascular risk factors (CRFs) and physical activity (PA) levels were determined. The subjects were categorized as compliant (n = 1, 969) or non-compliant (n = 1,650) with World Health Organization-related PA recommendations. Correlation and multiple regression models (including CPAR*Age interaction) were obtained, and Johnson-Neyman technique was used to produce regions of significance.ResultsThe independent association between CPARs and cardiovascular characteristics were strongly moderated by age. The moderation was observed on a wide range of age but particularly notorious on the extremes of life. Certain arterial characteristics demonstrated opposite effects in relation to CPAR status depending on the range of age considered. The association between CPAR and cardiovascular characteristics was independent of CRFs and moderated by age. In subjects younger than 45–55 years, CPAR status was associated with lower central and peripheral blood pressure (i.e., the younger the subject, the higher the reduction). During adult life, as age increases in the subjects, CPARs was associated with a beneficial hemodynamic profile, which is not related with variations in pressure but strongly related with lower levels of waveform-derived indexes and ventricular afterload determinants.ConclusionsThe independent associations between CPARs and arterial properties were strongly moderated by age. Data provided by blood pressure levels and waveform-derived indexes would be enough to evaluate the independent association between CPARs and the vascular system in the general population.
Published: 2021

42. Influence of Epoch Length and Recording Site on the Relationship Between Tri-Axial Accelerometry-Derived Physical Activity Levels and Structural, Functional, and Hemodynamic Properties of Central and Peripheral Arteries

Author: Mariana Gómez-García, Juan Torrado, Daniel Bia, and Yanina Zócalo
Abstract: BackgroundIt remains to be established to what extent physical activity (PA) levels among individuals are independently associated with deviations from the “optimal” state of the arterial system. Accelerometers have been proposed as means to obtain reliable, objective, and more comprehensive data of PA. Decisions at the time of data collection/processing could influence the association between accelerometry-derived indices and arterial properties.Objectives(i) To identify to what extent the strength of association between arterial properties and accelerometer-derived indices depend on the recording site and/or the epoch length; (ii) to determine whether some arterial characteristics (hemodynamic vs. structural vs. functional) or regions (elastic vs. transitional vs. muscular arteries; central vs. peripheral) have higher levels of association with accelerometry-derived indices.MethodsPhysical activity (PA), cardiovascular risk factors (CRFs), and cardiovascular properties were evaluated in 60 volunteers (general population; age: 23–62 years; women: 43%). PA was measured daily for 7 days (free-living situation; triaxial-accelerometers ActiGraph-GT3X+; hip and wrist; “Worn-to-wrist” option) and raw data was converted at epoch lengths of 1, 5, 10, 30, and 60-s. PA-related energy expenditure, daily time in moderate-to-vigorous PA, steps/minute, and counts-per-minute for vector magnitude were calculated. The cardiovascular evaluation included hemodynamic (central and peripheral pressure), structural (diameters and intima-media thickness), and functional (local and regional stiffness) parameters of carotids, femoral, and brachial arteries, and carotid-femoral and carotid-radial pathways. Arterial z-scores were obtained using age-related equations derived from healthy participants not exposed to CRFs (n = 1,688; age: 2–84 years; female: 51.2%) to evaluate at which degree each parameter deviates from the “optimal” value.MethodsIn general, hip recordings outperformed those obtained on the wrist regarding the strength of association with arterial parameters. Accelerometer-derived indices and their association with arterial properties vary depending on the recording site and epoch length. PA indices are stronger associated with functional (local) than structural variables and with central than peripheral arteries.ConclusionsRegardless of the PA index, there were independent associations with central artery characteristics, which reinforces that these territories would be the most related to PA levels. Differences in data acquisition and processing could lead to differences in conclusions when addressing the association between accelerometer-derived indices and the cardiovascular system.
Published: 2021

43. Central Pressure Waveform-Derived Indexes Obtained From Carotid and Radial Tonometry and Brachial Oscillometry in Healthy Subjects (2-84 Y): Age-, Height-, and Sex-Related Profiles and Analysis of Indexes Agreement

Author: Yanina Zócalo and Daniel Bia
Subjects: oscillometry, children, Physiology, applanation tonometry, Physiology (medical), adults, wave separation analysis, QP1-981, pulse wave analysis, adolescents, normative data, Original Research
Abstract: Aortic blood pressure (aoBP) waveform-derived indexes could provide valuable (prognostic) information over and above cardiovascular risk factors (CRFs). To obtain aoBP waveform-characteristics, several (i) techniques, (ii) recording sites, (iii) pressure-only waveform analysis mathematical approaches [e.g., pulse wave analysis (PWA), wave separation analysis (WSA)], and (iv) indexes [augmentation pressure and index (AP and AIx), forward (Pf) and backward (Pb) components of aoBP, reflection magnitude (RM), and reflection index (Rix)], were proposed. An accurate clinical use of these indexes requires knowing their physiological age-related profiles and the expected values for a specific subject. There are no works that have characterized waveform-derived indexes profiles in large populations considering: (i) as a continuous, data from different age stages (childhood, adolescence, and adulthood), (ii) complementary indexes, (iii) data obtained from different techniques and approaches, and (iv) analyzing potential sex- and body height (BH)-related differences. In addition, (v) there is a lack of normative data (reference intervals, RIs) for waveform-derived indexes.Aims(1) to evaluate the association and agreement between PWA- and/or WSA-derived indexes obtained with different techniques and approaches; (2) to determine the need for sex-, BH-, and/or age-specific RIs; (3) to define RIs for PWA- and WSA-derived indexes in a large cohort of healthy children, adolescents, and adults.Methods3619 subjects (3–90 y) were included; 1688 healthy (2–84 y). AP, AIx, AIx@75, Pf, Pb, RM, and RIx were obtained (carotid and radial tonometry, brachial oscillometry/plethysmography). The association and agreement between indexes were analyzed (Concordance correlation coefficients, Bland–Altman analysis). Mean and SD equations and sex-specific BH- and age-related profiles were obtained (regression methods; fractional polynomials).ResultsWaveform-derived indexes were not equivalent; for a specific index, there were systematic and proportional differences associated with the recording site (e.g., carotid vs. radial) and technique (e.g., tonometry vs. oscillometry). The need for sex-, BH-, or age-specific RIs was dependent on the index and/or age considered. RIs were defined for each index considering differences between recording sites and techniques. Equations for waveform-derived indexes age-related profiles were included, enabling to determine for a specific subject, the expected values and potential data deviations.
Published: 2021

44. Physical Activity, Sedentary Behavior and Sleep Time:Association with Cardiovascular Hemodynamic Parameters, Blood Pressure and Structural and Functional Arterial Properties in Childhood

Author: Yanina Zócalo, Daniel Bia, and Mariana Gómez-García
Subjects: cardiovascular risk factors, Cardiac output, medicine.medical_specialty, Hemodynamics, physical activity, 030204 cardiovascular system & hematology, Article, arteries, 03 medical and health sciences, 0302 clinical medicine, children, Internal medicine, sedentary behavior, Linear regression, medicine, Diseases of the circulatory (Cardiovascular) system, Pharmacology (medical), General Pharmacology, Toxicology and Pharmaceutics, sleep, movement behaviors, business.industry, blood pressure, 030229 sport sciences, Blood flow, Anthropometry, medicine.disease, Blood pressure, RC666-701, Arterial stiffness, Aortic pressure, Cardiology, aortic pressure, business
Abstract: An association between movement behavior (MB) components (sleep time (ST), physical activity (PA) and sedentary behavior (SB)) and the state of the cardiovascular (CV) system in children has been postulated. However, it is still controversial whether MB components and/or sub-components (domains) during childhood are independently associated with aortic and peripheral blood pressure (BP), and structural or functional arterial properties. Aims: (1) to evaluate MB components and subcomponents associations with CV characteristics, (2) to analyze the explanatory capacity of interindividual variations in MB on CV properties inter-individual variations at the beginning of school age. Methods: Anthropometric, aortic and peripheral BP, hemodynamic levels (cardiac output, systemic vascular resistances), wave reflection indexes, and arterial structural (diameter, intima–media thickness) and functional (blood flow velocities, Doppler-indexes, local and regional arterial stiffness) parameters of elastic (carotids), transitional (brachial) and muscular (femoral) arteries and time spent in MB (PA questionnaires) were assessed in 816 children (5–6 years). Cardiovascular variables were standardized (z-scores), using age- and sex-related mean values and standard deviations obtained from subjects non-exposed to CV risk factors (CRFs) and who complied with 24 h MB recommendations (reference subgroup). Multiple linear regression models were constructed considering the CV z-scores as dependent variables and CRFs and MB components and subcomponents as independent variables. Results: CV variables showed independent association with MB variations. However, their explanatory capacity on CV characteristics was lesser than that of anthropometric indexes, sex and/or high BP. Conclusions: MB components and sub-components were associated with CV characteristics regardless of other factors, but their capacity to explain variations was lesser than that of anthropometric data, sex or high BP state. MB subcomponents (e.g., sedentary play and screen time in case of SB) showed different (even opposite) associations with CV parameters. ST was associated mainly with indexes of the ventricle ejective function, rather than with CV structural characteristics. SB component and subcomponents were associated with BP, but not with structural parameters. PA component and subcomponents were associated with both BP and structural parameters. The different arterial types, as well central and peripheral parameters showed independent associations with MB components and subcomponents. None of these were independently associated with arterial stiffness.
Published: 2021
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45. Role of arterial impairment in preeclampsia: should the paradigm shift?

Author: Yanina Zócalo, Juan Torrado, María M Pereira, Daniel Bia, and Claudio Sosa
Subjects: medicine.medical_specialty, Physiology, Placenta, 030204 cardiovascular system & hematology, Carotid Intima-Media Thickness, Preeclampsia, 03 medical and health sciences, 0302 clinical medicine, Vascular Stiffness, Pre-Eclampsia, Pregnancy, Physiology (medical), Internal medicine, Medicine, Humans, Endothelial dysfunction, 030219 obstetrics & reproductive medicine, business.industry, Hemodynamics, Arteries, medicine.disease, Pathophysiology, Intima-media thickness, Cardiology, Arterial stiffness, Female, Endothelium, Vascular, Cardiology and Cardiovascular Medicine, business, Complication
Abstract: Preeclampsia is a worldwide pregnancy complication with serious short- and long-term maternal and neonatal consequences. Our understanding of preeclampsia pathophysiology has significantly evolved over the last decades with the recognition that impaired arterial function and structure may occur early in the course of pregnancy, preceding the clinic-humoral syndrome and driving long-term cardiovascular disease risk in the future of these patients. Although an early abnormal placentation may be the inciting event for a large proportion of cases, there is growing evidence that challenges the placental hypothesis in all affected women, since placental histopathology lesions thought to be characteristic are neither sensitive nor specific markers for the disorder. Recent hemodynamic investigations and studies on left ventricular function and structure in women with preeclampsia further challenge this universal paradigm and propose that placental dysfunction could be secondary to a maternal cardiovascular maladaptation to pregnancy in certain patients. Supporting this hypothesis, certain vascular features, which are characteristically enhanced in normal pregnancy allowing a healthy vascular adaptation, are absent in preeclampsia and comparable to the nonpregnant population. However, arterial biomechanics in preeclampsia may only not cope with hemodynamic demands of pregnancy but also impose additional detrimental loads to the maternal heart (“impaired left-ventricle-aorta coupling”) and transmit pressure and flow disturbances into the fetoplacental circulation (“impaired large arteries-microcirculation coupling”). In this review, we analyze the major role of the arterial dysfunction in the cardiovascular maladaptation hypothesis of preeclampsia, shed light on its potential etiopathogenic link, and discuss the complementary nature of the placental and cardiovascular theories.
Published: 2021

46. Changes in Body Size during Early Growth Are Independently Associated with Arterial Properties in Early Childhood

Author: Pedro Chiesa, Yanina Zócalo, Daniel Bia, Juan M. Castro, Mariana Marin, Agustina Zinoveev, and Victoria García-Espinosa
Subjects: medicine.medical_specialty, lcsh:Diseases of the circulatory (Cardiovascular) system, Birth weight, Hemodynamics, 030204 cardiovascular system & hematology, Article, 03 medical and health sciences, 0302 clinical medicine, children, 030225 pediatrics, Internal medicine, intima–media thickness, medicine, Pharmacology (medical), General Pharmacology, Toxicology and Pharmaceutics, body size trajectories, business.industry, birth weight, blood pressure, Anthropometry, medicine.disease, Blood pressure, arterial stiffness, Intima-media thickness, lcsh:RC666-701, Cohort, Arterial stiffness, Cardiology, aortic pressure, business, Body mass index
Abstract: Nutritional status in early life stages has been associated with arterial parameters in childhood. However, it is still controversial whether changes in standardized body weight (z-BW), height (z-BH), BW for height (z-BWH) and/or body mass index (z-BMI) in the first three years of life are independently associated with variations in arterial structure, stiffness and hemodynamics in early childhood. In addition, it is unknown if the strength of the associations vary depending on the growth period, nutritional characteristics and/or arterial parameters analyzed. Aims: First, to compare the strength of association between body size changes (Δz-BW, Δz-BH, Δz-BWH, Δz-BMI) in different time intervals (growth periods: 0–6, 0–12, 0–24, 0–36, 12–24, 12–36, 24–36 months (m)) and variations in arterial structure, stiffness and hemodynamics at age 6 years. Second, to determine whether the associations depend on exposure to cardiovascular risk factors, body size at birth and/or on body size at the time of the evaluation (cofactors). Anthropometric (at birth, 6, 12, 24, 36 m and at age 6 years), hemodynamic (peripheral and central (aortic)) and arterial (elastic (carotid) and muscular (femoral) arteries, both hemi-bodies) parameters were assessed in a child cohort (6 years, n =632). The association between arterial parameters and body size changes (Δz-BW, Δz-BH, Δz-BWH, Δz-BMI) in the different growth periods was compared, before and after adjustment by cofactors. Results: Δz-BW 0–24 m and Δz-BWH 0–24 m allowed us to explain inter-individual variations in structural arterial properties at age 6 years, with independence of cofactors. When the third year of life was included in the analysis (0–36, 12–36, 24–36 m), Δz-BW explained hemodynamic (peripheral and central) variations at age 6 years. Δz-BH and Δz-BMI showed limited associations with arterial properties. Conclusion: Δz-BW and Δz-BWH are the anthropometric variables with the greatest association with arterial structure and hemodynamics in early childhood, with independence of cofactors.
Published: 2021

47. Age- and sex-related profiles for macro, macro/micro and microvascular reactivity indexes: Association between indexes and normative data from 2609 healthy subjects (3-85 years)

Author: Daniel Bia and Yanina Zócalo
Subjects: Male, Percentile, Brachial Artery, Physiology, Hemodynamics, 030204 cardiovascular system & hematology, Cardiovascular Medicine, Adolescents, Vascular Medicine, Standard deviation, Geographical Locations, Families, 0302 clinical medicine, Medical Conditions, Blood Flow, Medicine and Health Sciences, 030212 general & internal medicine, Macro, Child, Children, Aged, 80 and over, Multidisciplinary, Anthropometry, Healthy subjects, Age Factors, Arteries, Hematology, Middle Aged, Healthy Volunteers, Body Fluids, Europe, Blood, Cardiovascular Diseases, Child, Preschool, Cardiology, Medicine, Female, Anatomy, Blood Flow Velocity, Research Article, Adult, medicine.medical_specialty, Adolescent, Science, Age and sex, 03 medical and health sciences, Young Adult, Internal medicine, medicine, Humans, Arterial Pressure, Aged, business.industry, Microcirculation, Biology and Life Sciences, Ultrasonography, Doppler, Blood flow, Atherosclerosis, Age Groups, People and Places, Cardiovascular Anatomy, Blood Vessels, Population Groupings, business
Abstract: Vascular reactivity (VR), defined as blood vessels' capability to actively modify the diameter and flow resistances can be non-invasively assessed analyzing vascular response to forearm occlusion. Several VR indexes can be quantified: (i) ´microvascular´, which consider variables that depend almost exclusively on changes in distal resistances, (ii)´ macrovascular´, that evaluate the changes in brachial artery (BA) diameter, adjusting for blood flow stimulus, and (iii) ´macro/micro´, whose values depend on the micro and macrovascular response without discriminating each one´s contribution. VR indexes could not be associated. Many VR indexes have been used without availability of adequate normative data (reference intervals, RIs).Aims(1) to evaluate macro, macro/micro and micro VR indexes obtained in a cohort of healthy children, adolescents and adults, (2) to evaluate the association between VR indexes, (3) to determine the need for age and/or sex-specific RIs, and (4) to define RIs for VR indexes.MethodsUltrasound (B-mode/Doppler) and automatic computerized analysis were used to assess BA diameter, blood flow velocity and distal resistances, at rest and in conditions of decreased and increased blood flow. Macro, macro/micro and micro VR indexes were quantified (n = 3619). RIs-subgroups were defined according to European Reference Values for Arterial Measurements Collaboration Group (n = 1688, 3-84 years) and HUNT3-Fitness Study Group (n = 2609, 3-85 years) criteria. Mean value and standard deviation equations were obtained for VR indexes. The need for age or sex-specific RIs was analyzed. Percentile curves were defined and data were compared with those obtained in other populations.ConclusionMacro and macro/micro VR indexes showed no association (or it was very weak) with microvascular indexes. Age- and sex-related profiles and RIs for macro, macro/micro and micro VR indexes were defined in a large population of healthy subjects (3-85 y). Equations for mean, standard deviation and percentiles values (year-to-year) were included in text and spreadsheet formats.
Published: 2021

48. Heterogeneous contributions of change in population distribution of body mass index to change in obesity and underweight

Author: Maryam Sharafkhah, Emanuel Zitt, Majid Ezzati, Luxia Zhang, Young-Ho Khang, Ellina Rakhimova, Kairit Mikkel, Tiina Vlasoff, Eruke E. Egbagbe, Sidsel Graff-Iversen, Ilona Nenko, Magdalena Klimek, Mathilde Savy, Sanjib Kumar Sharma, Alfonso Siani, Luís Lopes, Vanina Bongard, Gregor Jurak, Jacqueline F. Price, Christina-Paulina Lambrinou, Maria Lc Iurilli, Rainford J. Wilks, Bontha V. Babu, Fereidoun Azizi, Harunobu Nakamura, Marialaura Bonaccio, Angela Döring, Zhenyu Zhang, Naser Ahmadi, Jolanta Słowikowska-Hilczer, Ana Paula Carlos Cândido, Clive Osmond, Thirunavukkarasu Sathish, Robert J. Adams, Themistoklis Tzotzas, Reina Engle-Stone, Atul Trivedi, Shoichiro Tsugane, Niels Møller, Jorge Bezerra, Dénes Molnár, Muhammad Fadhli Mohd Yusoff, Badreya Al-Lahou, J. Jaime Miranda, Bahram Mohajer, Sigmund A. Anderssen, Lital Keinan Boker, Eero Kajantie, Martin Gulliford, Maties Torrent, Sumit Bharadwaj, Toshiharu Ninomiya, Zbigniew Gaciong, Nayu Ikeda, Li Juan Wu, Adrian Richter, Licia Iacoviello, Marc J. Gunter, Wenbin Wei, Norsyamlina Che Abdul Rahim, Eman Aly, Ambady Ramachandran, Nils Lehmann, Soile E. Puhakka, Giovanni Veronesi, Hongsheng Bi, Eiji Oda, Jia Li Duan, Per Tynelius, José María Huerta, Janne Schurmann Tolstrup, Rodrigo M. Carrillo-Larco, Rosangela Fernandes Lucena Batista, Victoria E Soto-Rojas, Hanno Ulmer, Shukri F. Mohamed, Anthony Kafatos, Suyeon Park, Mohsen Ibrahim, Hamed Pouraram, Bin Zhou, May Soe Aung, Lars Bo Andersen, Erfan Ghasemi, René Charles Sylva, Himanshu K. Chaturvedi, Luc Dauchet, Ahmad Ali Zainuddin, Angela Chetrit, Dan Zhu, Valérie Deschamps, Ko Ko Zaw, Peter Vollenweider, Tomas Vega, Yves Martin-Prével, Mahfuzar Rahman, Dorja Vočanec, Roman Topor-Madry, Vinay Nangia, Herculina S. Kruger, Asher Fawwad, Emily Sonestedt, Elena Pahomova, Aleksander Giwercman, Elżbieta Dziankowska-Zaborszczyk, Cecilia Björkelund, Tatjana Hejgaard, Maria Puiu, Maria Benedetta Donati, Andrew Wong, Carlos P. Boissonnet, Santosh K. Bhargava, Patrick Kolsteren, Dermot O'Reilly, Bahareh Kheiri, Wolfgang Kratzer, Susanne R. de Rooij, H. Bas Bueno-de-Mesquita, Günther Fink, José R. Banegas, Michele Monroy-Valle, Drude Molbo, Mahmudur Rahman, Hynek Pikhart, Rafael N. Pichardo, Massimo Salvetti, Hui Cai, Sarah Filippi, Georg Posch, Hung-Kwan So, Yonghua Hu, Katsuyasu Kouda, Joana Carvalho, Gailute Bernotiene, Hannu Uusitalo, Thein Thein Htay, Felix Kaducu, Maigeng Zhou, Lars Ängquist, Thi Tuyet-Hanh Tran, Charles Lunogelo, Michel Joffres, Sabina Zambon, Ronald D. Gregor, Vayia Rarra, Seyed Mohammad Hashemi-Shahri, Loreto Santa Marina, Galina Obreja, Rudolf Kaaks, Aya Mostafa, Maria do Carmo Franco, Beata Gurzkowska, Chien-Jen Chen, Marie Moitry, Nizal Sarrafzadegan, Xiangjun Wang, Diego Giulliano Destro Christofaro, Imperia Brajkovich, Fangfang Chen, Francesco Panza, Ling Yang, Holly E. Syddall, Cecily Kelleher, Michael Tornaritis, Ningli Wang, Lutgarde Thijs, Marjolein Visser, Angelika Schaffrath Rosario, María José Tormo, Jostein Steene-Johannessen, Norbert Amougou, Emmanuella Magriplis, Mar Alvarez-Pedrerol, Jingli Gao, Stig E. Bojesen, Giuseppe Grosso, Seongjun Ha, Lauren Lissner, Mikhail Benet, Anastasia Markaki, Sanjay Rampal, Antônio Augusto Moura da Silva, Maria Lorenza Muiesan, Angelique Chan, Yvonne T. van der Schouw, Annamari Lundqvist, Philippe Amouyel, Kristyna Zejglicova, Charalambos Hadjigeorgiou, João Breda, Jørgen Meisfjord, Fatima Zahra Laamiri, Carl Lachat, Kai-Uwe Saum, Vilma Irazola, Leng Huat Foo, Óscar Lopes, Dickman Gareta, Flavio Nervi, Imre Janszky, Ruzena Kubinova, Terho Lehtimäki, Mario V. Capanzana, Moyses Szklo, Ramfis Nieto-Martínez, Viswanathan Mohan, Shuohua Chen, Arvind Pandey, Luigi Palmieri, Roya Kelishadi, Srinivasan Kannan, Jie Mi, Robert Beaglehole, Liliana Dacica, Jyrki K. Virtanen, Mohan Deepa, Peter Ueda, Isti Ilmiati Fujiati, Hermann Pohlabeln, Morten Sodemann, Jytte Halkjær, Zbigniew Kułaga, Sophie Visvikis-Siest, Farshad Farzadfar, Mohsen Azimi-Nezhad, Henry Völzke, Karolina Milkowska, Zahra Mohammadi, Belgin Ünal, Magda Gasull, George S. Stergiou, Marshall K. Tulloch-Reid, Seppo Koskinen, James E. Bennett, Marcela González-Gross, Virginija Dulskiene, Idris Guessous, Assembekov Batyrbek, Kamarul Imran Musa, Jeannette Lee, Josep Redon, Bihungum Bista, Luisa M Macieira, Johan Sundström, Andres Metspalu, Lariane M Ono, Flora A. Ukoli, Salar Rahimikazerooni, Andrea Gualtieri, Trevor S. Ferguson, Félicité Tchibindat, Eliza Cinteza, Ha Tp Do, Tajana Zeljkovic Vrkic, Tuyen D Le, Alison J. Hayes, Abdul Basit, Chandini Nekkantti, Teresa Norat, Eunice Ugel, Gulmira Aitmurzaeva, Mariachiara Di Cesare, Abdul Hamid Zargar, Vincenzo Solfrizzi, Garry L. Jennings, Aline Meirhaeghe, Kaare Christensen, Päivi Mäki, Xu Lin, Ali Esmaeili, Joanna Baran, Aneta Grajda, Renata Cifkova, Alexandre C. Pereira, Martin Bobak, Iuliia A Rusakova, Keiu Nelis, Damian K Francis, Guansheng Ma, Axel C. Carlsson, Alejandro Diaz, Alireza Ansari-Moghaddam, N Capkova, Zumin Shi, Maria Turley, Imelda A. Agdeppa, Helena I. S. Nogueira, Marcia Scazufca, Katharina Maruszczak, Natascia Rinaldo, Paulo A. Lotufo, Nuno Lunet, Thor Aspelund, Caroline H.D. Fall, Antonio Cabrera de León, Ahmad Faudzi Yusoff, Holger Theobald, Beatriz D'Agord Schaan, Pedro Marques-Vidal, William A. Neal, Mihai Gafencu, Tandi E. Matsha, Ana B. Crujeiras, Ahmad Reza Dorosty, Alain Morejon, Weili Yan, Dominique Hange, Bekbolat Zholdin, Frédéric Gottrand, Jorge Mota, Jana Námešná, Stevo Popovic, Louise Eriksen, Line Lund Kårhus, Cihangir Erem, Juergen Breckenkamp, Mathilde Kersting, Yi Song, Martin McKee, Aleksandra Gomula, Rafaela Rosário, Enzo Manzato, S. Goya Wannamethee, Sounnia Mediene Benchekor, Azim Nejatizadeh, Krishna Kumar Aryal, Juan P. González-Rivas, Vedrana Sember, Stephen T. McGarvey, Jukka T. Salonen, Patrick Pasquet, Patricia Varona-Pérez, Amelia C. Crampin, Ramin Heshmat, Violeta Iotova, Juvenal Soares Dias-da-Costa, Oye Gureje, Aletta E. Schutte, João Luiz Bastos, Anelise Reis Gaya, Konrad Jamrozik, Dalia Luksiene, Amina Barkat, Maria Paula Santos, José Camolas, Azli Baharudin, Diego Vanuzzo, Doris Stöckl, Rosalynn Siantar, Jouko Saramies, Albertino Damasceno, Davood Khalili, Simona Bo, Martina Müller-Nurasyid, Dominique Cottel, Markku Peltonen, Fikru Tullu, Ana Isabel Rito, Angélica Ochoa-Avilés, Annette J. Dobson, Christopher T. Cowell, Charumathi Sabanayagam, Rildo de Souza Wanderley Júnior, Oanh T. H. Trinh, Farahnaz Joukar, Mostafa K. Mohamed, Mostafa Qorbani, Jeongseon Kim, Helmut Schröder, Machi Suka, Natasja M. van Schoor, Jussi Kauhanen, Teresa Haugsgjerd, Goodarz Danaei, M. Fernanda Lima-Costa, Yong Tao, Elisabetta L. Romeo, Grazyna Jasienska, Victor Guillermo Sequera, Kazem Mohammad, Yanina Zócalo, Fernanda Cunha Soares, Jianfeng Wu, Mohammad Esmaeel Motlagh, María Elena Díaz-Sánchez, Monika Zuziak, Eldridge Ferrer, Anette Varbo, Leila Beltrami Moreira, Jeremy M. Jacobs, Kenneth James, Elena Sacchini, Pascal Bovet, Mahboubeh Parsaeian, Tania Lopez, Ya Xing Wang, Wojciech Drygas, Jody C Miller, Svetlana A. Shalnova, Maria Elisa Zapata, Chung T Nguyen, Nimmathota Arlappa, Edwige Landais, Thorkild I. A. Sørensen, Jeannette Klimont, Amirabbas Momenan, Erik J. Timmermans, Mari-Liis Tammesoo, Jost B. Jonas, Stefania Toselli, Maria Teresa Anselmo Olinto, Bahman Cheraghian, Kouamelan Doua, Esteban Carmuega, Marjeta Mišigoj-Duraković, Bo Werner, M. Arfan Ikram, Breige A. McNulty, Christa Meisinger, Clara Homs, Namuna Shrestha, Alina Kerimkulova, Youcef Laid, Claes Ohlsson, Alicia Matijasevich, Alison J Price, Ala'a Alkerwi, Kristine H. Allin, Lorenza Pilotto, Mohannad Al Nsour, Ingunn Holden Bergh, Marianna Noale, Heba Fouad, Vilnis Dzerve, Novie O. Younger-Coleman, Peter Willeit, Andrea R. V. R. Horimoto, Freda Pitakaka, Habiba Ben Romdhane, Savvas C. Savva, Rajeev Gupta, Jennifer Servais, Cristina Padez, Sarah P. Garnett, Maria del Cristo Rodriguez-Perez, Michala Lustigová, Tien Yin Wong, Rosa Haghshenas, Jonathan Giovannelli, Christina Howitt, Marleen E. Hendriks, Fadia AlBuhairan, Huashuai Chen, Gretchen A Stevens, Luís B. Sardinha, David Goltzman, Jenny M. Kindblom, Karina Mary de Paiva, Yousef Khader, Eric Monterrubio-Flores, Rajendra Pradeepa, Yi-Ting Lin, Martin Neovius, Juan Francisco Miquel, Ellis Owusu-Dabo, Anil Poudyal, Marzieh Katibeh, Tanja Stocks, Veronica Mocanu, Ulla Roggenbuck, Robespierre Ribeiro, Gabriele Eiben, Mary Simon, Christine Cameron, Hamid Hakimi, Kamel Ajlouni, Jakub Stokwiszewski, Iulia Jurca Simina, Pietro Amedeo Modesti, Frederick C. W. Wu, Peter Kristensen, Charles Mondo, Felix Gutzwiller, Mariana Sbaraini, Martijn Huisman, Betina H. Thuesen, Queenie Chan, Antonisamy Belavendra, Artur Mazur, Ulf Ekelund, Laura A. Rodríguez-Villamizar, Marcos André Moura-dos-Santos, Jean Ferrières, Farhad Zamani, Shina Avi, Yves Kameli, Luis Paulo Gomes Mascarenhas, Aluísio J D Barros, Thomas Meinertz Dantoft, Hossein Poustchi, Farid Najafi, Giovanni de Gaetano, Azaliia M Tuliakova, Vera Lanska, Tint Swe Latt, Matthias Bopp, Abbas Rezaianzadeh, Rod Jackson, Johan Van der Heyden, Reecha Sofat, Koen Van Herck, Allan G. Hill, Con Burns, Emanuela Pettenuzzo, Ming-Dong Wang, Stela McLachlan, Ulrike Gehring, Ranko Stevanovic, Nagalla Balakrishna, Lekhraj Rampal, Marjolijn C. E. Bragt, Saeid Eslami, Napoleón Pérez-Farinós, G. K. Mini, Viktoria Anna Kovacs, Rosemarie Martin, Nahla Hwalla, Wei Zheng, Hoang Van Minh, Edward D Janus, Laetitia Huiart, Farhad Pourfarzi, Sudha Ramachandra Rao, Fred Paccaud, Marcia Makdisse, Aye Aye Sein, Enrique Gutiérrez-González, Yang Yang, Anneke Blokstra, Henrike Galenkamp, Jaume Marrugat, Nazan Yardim, Wan Nazaimoon Wan Mohamud, Jesús Ibarluzea, Julio Zuñiga Cisneros, Laura Lauria, Argyro Karakosta, Dragana P Jovic, Jun Hata, Elio Riboli, Piotr Bandosz, Xun Tang, Parvina Mukhtorova, Jean Dallongeville, Jean-Bernard Ruidavets, Anne Tjønneland, Guillermo Frontera, Rahul Malhotra, Thomas Ferrao, Aleksandra Piwońska, Dusan Grafnetter, Mette Rasmussen, Daniel Weghuber, Sherali Rakhmatulloev, Martine Vrijheid, Johann Willeit, Motahareh Kheradmand, Małgorzata Mossakowska, Lechaba Tshepo, Dongfeng Gu, Hyeon Chang Kim, Vilmundur Gudnason, Maria Forsner, Peter Bjerregaard, Leon A. Simons, Rachael McLean, Japhet Killewo, Ramón Suárez-Medina, Y Nikitin, Eng Joo Tan, Jean Claude Mbanya, Aroor Bhagyalaxmi, Renata Kuciene, Kairat Davletov, Jose Eugenio Lozano, Afshin Ostovar, Niloofar Peykari, Guy De Backer, Soheir H Ahmed, Nicholas J. Wareham, Sai Yin Ho, Constanta Huidumac Petrescu, Maria Hassapidou, Iris Pigeot, Myriam Galfo, Susana Cararo Confortin, Blanca Sandra Ruiz-Betancourt, W. M. Monique Verschuren, Catterina Ferreccio, Fabio Galvano, Leila Houti, Daniel Bia, Annika Rosengren, Marcin Rutkowski, Biruta Velika, Joana Araújo, Fernando Rigo, Angela Spinelli, Scott B. McLean, Shirin Djalalinia, Marie Kunešová, Boban Mugoša, Sania Nishtar, Mangesh S. Pednekar, Shahla AlDhukair, Helle-Mai Loit, Antonis Zampelas, Altan Onat, Maciej Banach, Shohreh Naderimagham, Hajer Aounallah-Skhiri, Maja Bæksgaard Jørgensen, Yin Guo, Ewelina Czenczek-Lewandowska, Parasmani Dasgupta, Elvis Oa Wambiya, Inge Huybrechts, Raimund Erbel, Jari Jokelainen, Ana P. Ortiz, Stefan Kiechl, Emmanuel Cohen, Caleb Ochimana, Shynar Abdrakhmanova, Laura Censi, Iqbal Bata, Geetha R Menon, Snehalatha Chamukuttan, Pedro Plans-Rubio, Domenico Palli, Ana Azevedo, Slawomir Koziel, Benoît Salanave, Parinaz Mehdipour, Shu Ti Chiou, Lela Sturua, Lubica Ticha, Felipe Vogt Cureau, Jin Soo Moon, Ming-Hui Zhao, Urho M. Kujala, Nathalie Michels, Ertugrul Celikcan, Jaakko Tuomilehto, Judith Benedics, Tobias F. Rinke de Wit, Agnès Le Port, Reza Homayounfar, Andrea Rodriguez-Martinez, Tai Hing Lam, Yn-Tz Sung, Jürgen König, Kodavanti Mallikharjuna Rao, Hazzaa M. Al-Hazzaa, Karen Morgan, Bogdan Wojtyniak, Cynthia M. Pérez, Ilse Khouw, Manoli Garcia-de-la-Hera, Dong Wook Shin, Genc Burazeri, Ausra Petrauskiene, Charles Sossa Jérome, Kenisha Russell Jonsson, José Boggia, Daniela Galeone, Alice Bonilla-Vargas, Han Cg Kemper, Rahman Shiri, Stefaan Demarest, Else Karin Grøholt, San-Lin You, Adelheid Weber, Juha Auvinen, Aida Pilav, Sibel Gogen, Suzanne N Morin, Wan Mohamad Wan Bebakar, Viviane Cunha Cardoso, Kavumpurathu Raman Thankappan, Hana Zamrazilová, Frank Claessens, Karien Stronks, Helen Gonçalves, Tahir Aris, Luis Revilla, Sérgio Viana Peixoto, Zhamilya Battakova, Jing Liu, Eliza Markidou Ioannidou, Leticia Hernandez Cadena, Priscilla Duboz, Sandjaja, Tiina Laatikainen, Rafel Ramos, Sareh Eghtesad, Judith Simons, Orn Olafsson, E. Shyong Tai, Louise A. Baur, Nihal Thomas, Aung Soe Htet, Bente Sparboe-Nilsen, Paul Elliott, Soon-Woo Park, Angel R. Gonzalez, Ying-Wei Wang, Rob M. van Dam, Ryutaro Ohtsuka, Ludmila Sevcikova, Suhaila Abdul Ghaffar, Lynell V Maniego, Fariborz Mansour-Ghanaei, Maria Dorobantu, Giovanni Viegi, Xiaoguang Yang, Honor Bixby, Prakash C. Gupta, Ofra Kalter-Leibovici, Eugene Sobngwi, Ričardas Radišauskas, Jurate Medzioniene, Roy A Wong-McClure, Kim F. Michaelsen, Antonia Trichopoulou, Tania Tello, Francesco Branca, Johanna Gunnlaugsdottir, Els Clays, Wei-Yen Lim, Suzanne C. Ho, Toomas Veidebaum, Rebecca Goldsmith, Margot González-León, Matthias Nauck, Alibek Mereke, Marta Buoncristiano, Jakob Tarp, Rosalba Rojas-Martínez, Maya Tanrygulyyeva, Reza Malekzadeh, Abdonas Tamosiunas, Dimitrios Poulimeneas, Pedro Ordunez, Isabelle Herter-Aeberli, Khanh Le Nguyen Bao, Anne Juolevi, Vassilis Zafiropulos, Emanuela Gualdi-Russo, Jordi Sunyer, Manu Raj, Chaoqiang Jiang, Sofia Malyutina, Efthymios Kapantais, Maria Lazo-Porras, Maung Maung Than Htike, Michael Hobbs, Ranjit Mohan Anjana, Merike Liivak, Johan G. Eriksson, Margarita Samoutian, Andreia N. Pizarro, Mohammed Rasoul Tarawneh, Jean Woo, Kaspar Staub, Maria Teresa Menzano, Mojtaba Farjam, Adroaldo Cesar Araujo Gaya, Mohammad El-khateeb, Zulfiqar A Bhutta, Mukharram M. Bikbov, Hsien-Ho Lin, Oscar Noboa, Thomas Waldhör, Garry Brian, Simona Costanzo, Frank Tanser, Nor Azwany Yaacob, Michelle Cilia, Ivo Rakovac, Bill Stavreski, Ioannis Pagkalos, Ivan Pećin, Carlo M. Barbagallo, Abla M. Sibai, Yuna He, Matsuda Fumihiko, Bharathi Viswanathan, Ali Reza Safarpour, Wei Cheng Lo, Abdullatif Husseini, Jiang He, Liv Elin Torheim, Nipa Rojroongwasinkul, Aicha Soumare, Astrid Petersmann, Tomasz Grodzicki, Davide Noto, Panayiotis K. Yiallouros, Kelias P. Msyamboza, William R. Tebar, Yingfeng Zheng, Eha Nurk, Bhawesh Koirala, Ana Jelakovic, Suhad Bahijri, Freja B Kampmann, Qi Sheng You, Marika Ferrari, María-Elena González-Villalpando, Aline Wagner, Olfa Saidi, Anwar Batieha, Eduardo Capuano, Coimbatore Subramaniam Shanthirani, Dong Wook Kim, Albina A Fakhretdinova, Tom Wilsgaard, Maria Avdicova, Moesijanti Soekatri, Chiara Donfrancesco, Salim Mohanna, Paola Russo, Uruwan Yamborisut, Rafael dos Santos Henrique, Martin Nankap, Allan Linneberg, Khairil Si-Ramlee, Kirsten Mehlig, Christina Mavrogianni, Raluca Pop, Lèlita Santos, Graziella Bruno, Valentina Peterkova, Iná S. Santos, Georg Lappas, Alberto Palloni, Malay K. Mridha, Andrzej Pajak, Marta García-Solano, Stefaan De Henauw, Daniel Ferrante, Rute Santos, Anders Grøntved, Lucjan Szponar, Mihaela Vladulescu, Chien-An Sun, Jan A. Staessen, Paula Duarte de Oliveira, Norazizah Ibrahim Wong, Maria Nordendahl, Elaine M. Dennison, Jeonghee Lee, Diego Salmerón, Ida Maria Schmidt, Gao Pei, Noushin Mohammadifard, Igor Spiroski, Fernando Rodríguez-Artalejo, Xu Ma, Elin Pettersen Sørgjerd, Valéria Regecová, Cláudia S. Minderico, Johanna A. Otero, Jamila Abubakar Garba, Vesselka Duleva, Rui Ornelas, Ilpo Huhtaniemi, Cesar G. Victora, Lijuan Liu, Rody G. Sy, Mahmood Moosazadeh, Ali Ahmadi, Antonio Pedro Graça, Natalia Nowak-Szczepanska, Miao Li Chee, Michael Sjöström, Charles Agyemang, Shiqi Zhen, Xiu-Hua Guo, Pawel Kurjata, Jardena J. Puder, Mehrdad Azmin, Neil Murphy, Kaosar Afsana, Alireza Sadjadi, Johanna M. Geleijnse, Prashant Mathur, Elysée Claude Bika Lele, Raphael Mendes Ritti-Dias, Yannis Manios, Majid Shirani, Rosemary B. Duda, Liis Nelis, Jurate Klumbiene, Zhengming Chen, Wichai Aekplakorn, Alun Evans, Andrzej Wiecek, Lars Lind, Denise Eldemire-Shearer, Bernardo L. Horta, Macia Enguerran, Seyed Rasoul Zakavi, Daniel Fernández-Bergés, Kumiko Ohara, Ursula Kiechl-Kohlendorfer, Hermann Brenner, Przemyslaw Slusarczyk, Espen Bjertness, Jutta Stieber, Augusto Di Castelnuovo, Joel G. R. Roy, Aryeh D. Stein, Ruth Frikke-Schmidt, Vera Musil, Amaneh Shayanrad, Marcel Goldberg, Ramon O. Jimenez, Mohammad Reza Fattahi, Jolanda Hyska, Amir Houshang Mehrparvar, Elin Kolle, Mohamed Bamoshmoosh, Michelle Holdsworth, Felipe F. Casanueva, Børge G. Nordestgaard, Niels Wedderkopp, Eva Corpeleijn, Elias F. Gudmundsson, Antonio Mistretta, Daniel Lemogoum, Larissa Pruner Marques, Slavica Sović, Olli T. Raitakari, Marco Aurélio Peres, Alexandra Cucu, Gregorio Varela-Moreiras, Janine Clarke, Andrea Gazzinelli, Mieczysław Litwin, Sara Schramm, Xenophon Theodoridis, Harshpal Singh Sachdev, Mohammad Reza Mirjalili, Dimitrios Papandreou, Peter T. Katzmarzyk, Benjamin Acosta-Cazares, Ben Schöttker, Prabhdeep Kaur, Norlaila Mustafa, Shariq Rashid Masoodi, Sadaf G. Sepanlou, Adolfo Rubinstein, Francis Delpeuch, Julianne Williams, Abbas Dehghan, Leanne M. Riley, Heloisa Bettiol, Gabriele Nagel, Ellisiv B. Mathiesen, Ekaterina Stoyanova, Alisha N. Wade, Zhamyila Usupova, Arnaud Chiolero, Oonagh Markey, Jacqueline Ramke, Elena Bogova, Niveen M E Abu-Rmeileh, Nguyen D Nguyen, Tomasz Zdrojewski, Marjo-Riitta Järvelin, Jose Sanchez-Abanto, Rômulo Araújo Fernandes, Lourdes Ribas-Barba, Nalan Uysal, Mohamad Hasnan Ahmad, Krista Fischer, Maria Wany Louzada Strufaldi, Ramiro Guerrero, Farnam Mohebi, Tran Quoc Bao, Flávio Danni Fuchs, Salim Berkinbayev, Enisa Kujundzic, Sari Voutilainen, Farzad Hadaegh, Robert Lundqvist, Saeid Safiri, Iraj Mohebbi, George Luiz Lins Machado-Coelho, Annette Peters, Gonzalo Valdivia, Magdalena Korzycka, Rajiv T Erasmus, Masanori Iwasaki, Charmaine A. Duante, Sheikh Mohammed Shariful Islam, Quang Ngoc La, Ricky Eddie, Petra Rust, Daniela Rodrigues, Dirk De Bacquer, Karen Sparrenberger, Agneta Sjöberg, Thet Thet Mu, Katarzyna Dereń, Cora L. Craig, Jorge Motta, Janina Petkeviciene, Boyd Swinburn, Paibul Suriyawongpaisal, Visnja Djordjic, Ramón Alberto Rascón-Pacheco, Pradeep Joshi, Daan Kromhout, Marius B. Bjertness, Stefano Marventano, Juel Jarani, Alireza Khosravi, Eva Martos, David De Ridder, Lizzy M. Brewster, Nico Dragano, Liam Smeeth, Kenji Shibuya, Emma Ruiz Moreno, Hashem Jaddou, Grzegorz Sobek, Dimitrios Trichopoulos, Marvin Cervantes-Loaiza, Abu Am Hanif, Elaine M. Murtagh, Carlos A. Aguilar-Salinas, Graziella D'Arrigo, Kyungwon Oh, Heiner Boeing, Regina Heidinger-Felso, André Luiz Sena Guimarães, Balkish M. Naidu, Avula Laxmaiah, Ana M. B. Menezes, Marie Eliasen, Francesco Pistelli, Yuan He, Dusko Bjelica, José A. Casajús, Guang Ning, Lutgart Braeckman, Dirk Vanderschueren, Jochanan Stessman, Ivana Radic, Yi Zeng, Hans Concin, Damaskini Valvi, Sari Hantunen, Catherine Kyobutungi, Diego Augusto Santos Silva, Wenhua Zhao, Sok King Ong, Anne W. Taylor, Iraj Nabipour, Justyna Godos, Cyrus Cooper, Mattias Johansson, Samuel C. Dumith, Magdalena Muc, Sabine Schipf, Idowu O Senbanjo, Jim Mann, Rajaa Al-Raddadi, Yih Chung Tham, Kay-Tee Khaw, Joseph Cacciottolo, Ana Henriques, Sahar Saeedi Moghaddam, Reza Mohammadpourhodki, Bernhard O. Boehm, Songhomitra Panda-Jonas, Iveta Pudule, Elisabete Ramos, Lacramioara Aurelia Brinduse, Paul H. Lee, Terence W O'Neill, Javad Aghazadeh-Attari, Margus Punab, Bojan Jelaković, Camilla T. Damsgaard, Takafumi Ishida, Ekaterina Chikova-Iscener, Mirjam M. Heinen, Tazeen H. Jafar, Semánová Csilla, Constance Schultsz, Santiago F. Gomez, Raija Korpelainen, Edward W. Gregg, Laura Gutierrez, Pierre Traissac, Victor M. Herrera, Aristides M. Machado-Rodrigues, Fatemeh Malekzadeh, Shouling Wu, Jennifer L. Baker, Clicerio González-Villalpando, Eleonora d'Orsi, Irene G. M. van Valkengoed, Anna Fijałkowska, Wen-Harn Pan, Gregor Starc, Meghnath Dhimal, Murat Topbaş, George Moschonis, Robert Eggertsen, Abdullah Alkandari, Quang Ngoc Nguyen, Janette Walton, Elnaz Faramarzi, Saeed Dastgiri, Lien Braeckevelt, Nasheeta Peer, Radka Taxová Braunerová, Mohamed M. Ali, Steiner Krokstad, Harald Geiger, Morteza Shamshirgaran, Lela Shengelia, María Ángeles Dal Re Saavedra, Silvana Donoso, Khem Bahadur Karki, Timothy J. Key, Maria G. Grammatikopoulou, Susana Vale, Felix K. Assah, Juan A Rivera, Peter H. Whincup, Oana-Florentina Gheorghe-Fronea, Cassiano Ricardo Rech, Paul Ferdinand M. Reganit, Rachakulla Hari Kumar, Jaakko Mursu, Luis A. Moreno, Glen Gironella, Jelena Kos, Tilema Cama, Haakon E. Meyer, Jun Ma, Raphael E. Arku, Ziad Abdeen, Dianna J. Magliano, Jitendra Jonnagaddala, Konstantinos Gkiouras, Paola Nardone, Alberto Barceló, Tomi-Pekka Tuomainen, Francesco Gianfagna, Stefania Maggi, Mohammad Hossein Somi, Behrooz Hamzeh, Miquel Porta, Vesna Jureša, Alexander D. Deev, David Faeh, Antonio Bernabe-Ortiz, Sirkka Keinänen-Kiukaanniemi, Ian Hambleton, Stefan Savin, Andre Pascal Kengne, R. Krishna Kumar, Kurt Widhalm, Marco M Ferrario, Parisa Amiri, Anjani Kumar Jha, Thamara Hubler Figueiró, Jana Kratenova, Claudia M. Hormiga, Maria Tsigga, Zivka Dika, Indrapal I. Meshram, Ei Ei K. Nang, Ian Rouse, Rusidah Selamat, Paul Korrovits, Grethe S. Tell, Julie Taylor, Anabela Mota-Pinto, Paolo Vineis, Kotsedi D Monyeki, Khuong Quynh Long, Frank J Rühli, Shelly R. McFarlane, Sara Santos Sanz, Edyta Łuszczki, Maria G. Stathopoulou, Tara Coppinger, Karin De Ridder, Lucie Viet, Anna Bugge, Mehdi Yaseri, Safiah Md Yusof, Sandra C. Fuchs, Muhammad Islam, Irfan Nuhoglu, Rui Providência, Bernard Maire, Leandra Abarca-Gómez, Sinead Brophy, Maria Ruiz-Castell, Daniela Pierannunzio, Cristina Taddei, Gowri Mahasampath, Gustavo Velasquez-Melendez, Hanna Tolonen, Sudhir Kowlessur, Bagher Larijani, Laura Torres-Collado, Susi Kriemler, Ali Akbar Shayesteh, Cynthia Robitaille, Jorge Escobedo-de la Peña, Yufang Bi, Chinh Nguyen Huu, Line Tang Møllehave, Vincent Jr DeGennaro, Noor Ani Ahmad, Anar Dushpanova, Agustinus Soemantri, Susana Sans, Ionela Pascanu, Gwenaëlle Le Coroller, Inger Ariansen, Kodanda R Kanala, Gert B. M. Mensink, Abhijit Sen, Sergej M. Ostojic, Hanan F. Abdul Rahim, Hélène Delisle, Francisco J. Félix-Redondo, Yadlapalli S. Kusuma, Michael Knoflach, Moein Yoosefi, Tanja G. M. Vrijkotte, Wolfgang Ahrens, Osvaldo Santos, Bethlehem D. Solomon, Erik Lykke Mortensen, Nikhil D. Patel, Reynaldo Martorell, Ching-Yu Cheng, Stine Schramm, Hana Shimizu-Furusawa, Jacek Jóźwiak, Radwan Qasrawi, Herman Borghs, Zhanna Kalmatayeva, Heidi Klakk, Akram Pourshams, Naomi S. Levitt, Son Thai Pham, Simona Giampaoli, Dong Zhao, Indah Suci Widyahening, Merete Osler, Paula Margozzini, Silvia Bel-Serrat, Dora Romaguera, Monira Alarouj, Winsome R. Parnell, Marloes Cardol, Giota Touloumi, Janice Luisa Lukrafka, Adela Chirita-Emandi, Maryam Kavousi, Sanja Musić Milanović, Jean-Michel Gaspoz, Jalila El Ati, Sauli Herrala, Liang Xu, Pilar Guallar-Castillón, Bee Koon Poh, Luis Serra-Majem, Jonathan E. Shaw, Belong Cho, Daphne Mirkopoulou, Salvador Villalpando, Yuki Fujita, Tiffany K. Gill, Nish Chaturvedi, Erkin M. Mirrakhimov, Günay Can, Mark Woodward, Esther Lopez-Garcia, Mauro Virgílio Gomes de Barros, Ahmed A. Madar, Shoaib Afzal, Melanie J. Cowan, Gareth Stratton, Eduardo Salazar Martinez, Sameer Narake, Norie Sawada, Deepak Amarapurkar, Deepa Weerasekera, Diana A. 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Chan School of Public Health, Middlesex University [London], Organisation Mondiale de la Santé / World Health Organization Office (OMS / WHO), Montpellier Interdisciplinary center on Sustainable Agri-food systems (Social and nutritional sciences) (UMR MoISA), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut de Recherche pour le Développement (IRD)-Centre International de Hautes Etudes Agronomiques Méditerranéennes - Institut Agronomique Méditerranéen de Montpellier (CIHEAM-IAMM), Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Bordeaux population health (BPH), Université de Bordeaux (UB)-Institut de Santé Publique, d'Épidémiologie et de Développement (ISPED)-Institut National de la Santé et de la Recherche Médicale (INSERM), Interactions Gène-Environnement en Physiopathologie Cardio-Vasculaire (IGE-PCV), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Lorraine (UL), Wellcome TrustEuropean Commission, Clinical Developmental Psychology, APH - Mental Health, Sociology, The Social Context of Aging (SoCA), Nutrition and Health, Iurilli, Maria LC [0000-0003-0409-1635], Zhou, Bin [0000-0002-1741-8628], Ezzati, Majid [0000-0002-2109-8081], Apollo - University of Cambridge Repository, Epidemiology and Data Science, APH - Aging & Later Life, APH - Societal Participation & Health, Public and occupational health, APH - Health Behaviors & Chronic Diseases, VU University medical center, APH 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Ltd, Orebro University, University of London, Universitas Indonesia, Institute of Food and Nutrition Development of Ministry of Agriculture and Rural Affairs, Children’s Hospital of Fudan University, University of Cyprus, Niigata University, International Medical University, Iran University of Medical Sciences, Center for Diabetes and Endocrine Care, Peking University First Hospital, Jiangsu Provincial Center for Disease Control and Prevention, Sun Yat-sen University, West Kazakhstan Medical University, Inner Mongolia Medical University, University of Ghana, Maria Lc Iurilli , Bin Zhou , James E Bennett , Rodrigo M Carrillo-Larco , Marisa K Sophiea , Andrea Rodriguez-Martinez , Honor Bixby , Bethlehem D Solomon , Cristina Taddei , Goodarz Danaei , Mariachiara Di Cesare , Gretchen A Stevens , Leanne M Riley , Stefan Savin , Melanie J Cowan , Pascal Bovet , Albertino Damasceno , Adela Chirita-Emandi , Alison J Hayes , Nayu Ikeda , Rod T Jackson , Young-Ho Khang , Avula Laxmaiah , Jing 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, Yves Martin-Prevel , Rosemarie Martin , Reynaldo Martorell , Eva Martos , Katharina Maruszczak , Stefano Marventano , Luis P Mascarenhas , Shariq R Masoodi , Ellisiv B Mathiesen , Prashant Mathur , Alicia Matijasevich , Tandi E Matsha , Christina Mavrogianni , Artur Mazur , Jean Claude N Mbanya , Shelly R McFarlane , Stephen T McGarvey , Martin McKee , Stela McLachlan , Rachael M McLean , Scott B McLean , Breige A McNulty , Sounnia Mediene Benchekor , Jurate Medzioniene , Parinaz Mehdipour , Kirsten Mehlig , Amir Houshang Mehrparvar , Aline Meirhaeghe , Jørgen Meisfjord , Christa Meisinger , Ana Maria B Menezes , Geetha R Menon , Gert Bm Mensink , Maria Teresa Menzano , Alibek Mereke , Indrapal I Meshram , Andres Metspalu , Haakon E Meyer , Jie Mi , Kim F Michaelsen , Nathalie Michels , Kairit Mikkel , Karolina Milkowska , Jody C Miller , Cláudia S Minderico , G K Mini , Juan Francisco Miquel , Mohammad Reza Mirjalili , Daphne Mirkopoulou , Erkin Mirrakhimov , Marjeta 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, Jaakko Mursu , Elaine M Murtagh , Kamarul Imran Musa , Sanja Music Milanovic , Vera Musil , Norlaila Mustafa , Iraj Nabipour , Shohreh Naderimagham , Gabriele Nagel , Balkish M Naidu , Farid Najafi , Harunobu Nakamura , Jana Námešná , Ei Ei K Nang , Vinay B Nangia , Martin Nankap , Sameer Narake , Paola Nardone , Matthias Nauck , William A Neal , Azim Nejatizadeh , Chandini Nekkantti , Keiu Nelis , Liis Nelis , Ilona Nenko , Martin Neovius , Flavio Nervi , Chung T Nguyen , Nguyen D Nguyen , Quang Ngoc Nguyen , Ramfis E Nieto-Martínez , Yury P Nikitin , Guang Ning , Toshiharu Ninomiya , Sania Nishtar , Marianna Noale , Oscar A Noboa , Helena Nogueira , Teresa Norat , Maria Nordendahl , Børge G Nordestgaard , Davide Noto , Natalia Nowak-Szczepanska , Mohannad Al Nsour , Irfan Nuhoglu , Eha Nurk , Terence W O'Neill , Dermot O'Reilly , Galina Obreja , Caleb Ochimana , Angélica M Ochoa-Avilés , Eiji Oda , Kyungwon Oh , Kumiko Ohara , Claes Ohlsson , Ryutaro Ohtsuka , Örn Olafsson , Maria 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Paola, Nauck, Matthia, Neal, William A, Nejatizadeh, Azim, Nekkantti, Chandini, Nelis, Keiu, Nelis, Lii, Nenko, Ilona, Neovius, Martin, Nervi, Flavio, Nguyen, Chung T, Nguyen, Nguyen D, Nguyen, Quang Ngoc, Nieto-Martínez, Ramfis E, Nikitin, Yury P, Ning, Guang, Ninomiya, Toshiharu, Nishtar, Sania, Noale, Marianna, Noboa, Oscar A, Nogueira, Helena, Norat, Teresa, Nordendahl, Maria, Nordestgaard, Børge G, Noto, Davide, Nowak-Szczepanska, Natalia, Al Nsour, Mohannad, Nuhoglu, Irfan, Nurk, Eha, O'Neill, Terence W, O'Reilly, Dermot, Obreja, Galina, Ochimana, Caleb, Ochoa-Avilés, Angélica M, Oda, Eiji, Oh, Kyungwon, Ohara, Kumiko, Ohlsson, Clae, Ohtsuka, Ryutaro, Olafsson, Örn, Olinto, Maria Teresa A, Oliveira, Isabel O, Omar, Mohd Azahadi, Onat, Altan, Ong, Sok King, Ono, Lariane M, Ordunez, Pedro, Ornelas, Rui, Ortiz, Ana P, Ortiz, Pedro J, Osler, Merete, Osmond, Clive, Ostojic, Sergej M, Ostovar, Afshin, Otero, Johanna A, Overvad, Kim, Owusu-Dabo, Elli, Paccaud, Fred Michel, Padez, 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Salvador, Vineis, Paolo, Vioque, Jesu, Virtanen, Jyrki K, Visser, Marjolein, Visvikis-Siest, Sophie, Viswanathan, Bharathi, Vladulescu, Mihaela, Vlasoff, Tiina, Vocanec, Dorja, Vollenweider, Peter, Völzke, Henry, Voutilainen, Ari, Voutilainen, Sari, Vrijheid, Martine, Vrijkotte, Tanja GM, Wade, Alisha N, Wagner, Aline, Waldhör, Thoma, Walton, Janette, Wambiya, Elvis OA, Bebakar, Wan Mohamad Wan, Mohamud, Wan Nazaimoon Wan, de Souza Wanderley Júnior, Rildo, Wang, Ming-Dong, Wang, Ningli, Wang, Qian, Wang, Xiangjun, Wang, Ya Xing, Wang, Ying-Wei, Wannamethee, S Goya, Wareham, Nichola, Weber, Adelheid, Wedderkopp, Niel, Weerasekera, Deepa, Weghuber, Daniel, Wei, Wenbin, Weres, Aneta, Werner, Bo, Whincup, Peter H, Widhalm, Kurt, Widyahening, Indah S, Wiecek, Andrzej, Wilks, Rainford J, Willeit, Johann, Willeit, Peter, Williams, Julianne, Wilsgaard, Tom, Wojtyniak, Bogdan, Wong-McClure, Roy A, Wong, Andrew, Wong, Jyh Eiin, Wong, Tien Yin, Woo, Jean, Woodward, Mark, Wu, Frederick C, Wu, Jianfeng, Wu, Li Juan, Wu, Shouling, Xu, Haiquan, Xu, Liang, Yaacob, Nor Azwany, Yamborisut, Uruwan, Yan, Weili, Yang, Ling, Yang, Xiaoguang, Yang, Yang, Yardim, Nazan, Yaseri, Mehdi, Yasuharu, Tabara, Ye, Xingwang, Yiallouros, Panayiotis K, Yoosefi, Moein, Yoshihara, Akihiro, You, Qi Sheng, You, San-Lin, Younger-Coleman, Novie O, Md Yusof, Safiah, Yusoff, Ahmad Faudzi, Zaccagni, Luciana, Zafiropulos, Vassili, Zainuddin, Ahmad A, Zakavi, Seyed Rasoul, Zamani, Farhad, Zambon, Sabina, Zampelas, Antoni, Zamrazilová, Hana, Zapata, Maria Elisa, Zargar, Abdul Hamid, Ko Zaw, Ko, Zdrojewski, Tomasz, Zejglicova, Kristyna, Vrkic, Tajana Zeljkovic, Zeng, Yi, Zhang, Luxia, Zhang, Zhen-Yu, Zhao, Dong, Zhao, Ming-Hui, Zhao, Wenhua, Zhen, Shiqi, Zheng, Wei, Zheng, Yingfeng, Zholdin, Bekbolat, Zhou, Maigeng, Zhu, Dan, Zins, Marie, Zitt, Emanuel, Zocalo, Yanina, Cisneros, Julio Zuñiga, Zuziak, Monika, Ezzati, Majid, Filippi, Sarah, Cohortes épidémiologiques en population (CONSTANCES), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris-Saclay-Université Paris Cité (UPCité), Université Paris Cité (UPCité), Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Centre International de Hautes Études Agronomiques Méditerranéennes (CIHEAM)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Institut Agro - Montpellier SupAgro, and Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)
Subjects: Population -- Health aspects, Leanness, Baixo peso/Underweight, none, Double burden, alipainoisuus, tulotaso, global health, systematic analysis, Sedentary behaviors, RC1200, Prospective associations, 0302 clinical medicine, underweight, nälänhätä, Biology (General), skin and connective tissue diseases, Children, ComputingMilieux_MISCELLANEOUS, Body mass index, Human Nutrition & Health, education.field_of_study, Humane Voeding & Gezondheid, ylipaino, General Medicine, kansainvälinen vertailu, 3. Good health, World health, Medicine, A100 Pre-clinical Medicine, Population distribution, medicine.medical_specialty, QH301-705.5, Science, Socio-culturale, Nursing, Social sciences, General Biochemistry, Genetics and Molecular Biology, 03 medical and health sciences, Thinness, SDG 3 - Good Health and Well-being, BMI, epidemiology, obesity, None, Humans, Obesidade/Obesity, SDG 2 - Zero Hunger, education, VLAG, US adults, Omvårdnad, body mass index, malnutrition, obesity, underweight, nutritional and metabolic diseases, medicine.disease, terveellisyys, Obesity, Faculdade de Ciências Sociais, Body Mass Index, Prevalence, Risk Factors, General Biochemistry, WIAS, lihavuus, RA, Demography, N.A, double burden, Settore MED/09 - Medicina Interna, alueelliset erot, Nutrition and Disease, Animal Nutrition, [SDV]Life Sciences [q-bio], Medizin, 030204 cardiovascular system & hematology, 0601 Biochemistry and Cell Biology, Change distribution of body mass index, RA0421, Voeding en Ziekte, Epidemiology, Medicine and Health Sciences, Global health, Índice de massa corporal/Body Mass Index, 030212 general & internal medicine, Underweight, painoindeksi, 2. Zero hunger, General Neuroscience, aliravitsemus, elintarvikkeet, health, Public Health, Global Health, Social Medicine and Epidemiology, Diervoeding, 3142 Public health care science, environmental and occupational health, purl.org/pe-repo/ocde/ford#3.01.03 [https], Chinese adults, pooled analysis, medicine.symptom, Diet quality, B120 Physiology, Research Article, trends, purl.org/pe-repo/ocde/ford#1.06.03 [https], prevalence, Population, Mothers, Genetics and Molecular Biology, 3121 Internal medicine, medicine, Life Science, ddc:610, 3125 Otorhinolaryngology, ophthalmology, kehonkoostumus, Nutrition, Australian adults, General Immunology and Microbiology, purl.org/pe-repo/ocde/ford#3.01.04 [https], Ciências sociais, Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi, Malnutrition, Epidemiology and Global Health, sense organs, Estilos de Vida e Impacto na Saúde
Abstract: From 1985 to 2016, the prevalence of underweight decreased, and that of obesity and severe obesity increased, in most regions, with significant variation in the magnitude of these changes across regions. We investigated how much change in mean body mass index (BMI) explains changes in the prevalence of underweight, obesity, and severe obesity in different regions using data from 2896 population-based studies with 187 million participants. Changes in the prevalence of underweight and total obesity, and to a lesser extent severe obesity, are largely driven by shifts in the distribution of BMI, with smaller contributions from changes in the shape of the distribution. In East and Southeast Asia and sub-Saharan Africa, the underweight tail of the BMI distribution was left behind as the distribution shifted. There is a need for policies that address all forms of malnutrition by making healthy foods accessible and affordable, while restricting unhealthy foods through fiscal and regulatory restrictions., Wellcome Trust, Medical Research Council, peer-reviewed
Published: 2021

49. Author response: Heterogeneous contributions of change in population distribution of body mass index to change in obesity and underweight

Author: Zahra Mohammadi, Abdul Basit, Helena I. S. Nogueira, Soile E. Puhakka, Hongsheng Bi, Ari Voutilainen, Davood Khalili, Bin Zhou, Dermot O'Reilly, Natascia Rinaldo, Paulo A. Lotufo, Bahareh Kheiri, Thein Thein Htay, Simona Giampaoli, Goodarz Danaei, M. Fernanda Lima-Costa, Simona Bo, Peter Schnohr, Jerzy Chudek, Francesco Panza, Ling Yang, Katia Vergetti Bloch, Vincenzo Capuano, Holly E. Syddall, Dong Zhao, Indah Suci Widyahening, Maria Lorenza Muiesan, Leng Huat Foo, Mohsen Azimi-Nezhad, Merete Osler, Laura Torres-Collado, Manu Raj, Adroaldo Cesar Araujo Gaya, Susi Kriemler, Ali Akbar Shayesteh, Aneta Grajda, Anette Varbo, Kazem Mohammad, Leila Beltrami Moreira, Shu Ti Chiou, Iuliia A Rusakova, Jyh Eiin Wong, Torben Jørgensen, Lela Sturua, Lubica Ticha, Hamid Hakimi, Hazzaa M. Al-Hazzaa, Yanina Zócalo, Freda Pitakaka, Savvas C. Savva, Rajeev Gupta, Jennifer Servais, Marie Kunešová, Johanna M. Geleijnse, Elysée Claude Bika Lele, Yannis Manios, Jorge Escobedo-de la Peña, Yufang Bi, Chinh Nguyen Huu, Sibel Gogen, Viviane Cunha Cardoso, Kristine H. Allin, Ana Azevedo, Line Tang Møllehave, Vincent Jr DeGennaro, Novie O. Younger-Coleman, Gretchen A Stevens, Dickman Gareta, Holger Theobald, Anja Schienkiewitz, Bekbolat Zholdin, Janice Luisa Lukrafka, Adela Chirita-Emandi, Ulla Roggenbuck, Kenisha Russell Jonsson, Robespierre Ribeiro, Gabriele Eiben, Eero Kajantie, Sounnia Mediene Benchekor, Fariborz Mansour-Ghanaei, Mary Simon, Prakash C. Gupta, Mohammad Esmaeel Motlagh, Emanuela Gualdi-Russo, María Elena Díaz-Sánchez, Pilar Guallar-Castillón, Bee Koon Poh, Cristina Padez, Azaliia M Tuliakova, Sarah P. Garnett, William R. Tebar, Yingfeng Zheng, Suhad Bahijri, Christina Mavrogianni, Mihaela Vladulescu, Jan A. Staessen, Paula Duarte de Oliveira, Rui Ornelas, Michael Sjöström, Charles Agyemang, Slawomir Koziel, Shohreh Naderimagham, Jari Jokelainen, Stephen T. McGarvey, Patrick Pasquet, Farnam Mohebi, Nader Saki, Aida Pilav, Azim Nejatizadeh, Marianna Noale, Habiba Ben Romdhane, Luís B. Sardinha, Laura Lauria, Jun Hata, Kodanda R Kanala, Gert B. M. Mensink, Nils Lehmann, Elio Riboli, Carolina Tarqui-Mamani, Rodrigo M. Carrillo-Larco, Rosangela Fernandes Lucena Batista, Victoria E Soto-Rojas, Luis Serra-Majem, Martina Müller-Nurasyid, Felipe Vogt Cureau, Lekhraj Rampal, Zhamilya Battakova, Ludmila Sevcikova, Suhaila Abdul Ghaffar, Fikru Tullu, Aung Soe Htet, Angel R. Gonzalez, Annette J. Dobson, Kavumpurathu Raman Thankappan, Hélène Delisle, Francisco J. Félix-Redondo, Ramón Suárez-Medina, Annika Rosengren, Sania Nishtar, Tanja G. M. Vrijkotte, Wolfgang Ahrens, Osvaldo Santos, Maria Cecília Formoso Assunção, Kazi M. Jamil, Stefano Marventano, Wenbin Wei, Norsyamlina Che Abdul Rahim, Shukri F. Mohamed, Bente Sparboe-Nilsen, Soon-Woo Park, Ana Isabel Rito, David Goltzman, W. M. Monique Verschuren, Catterina Ferreccio, Marta Buoncristiano, Ramón Alberto Rascón-Pacheco, Pradeep Joshi, Edward D Janus, Laetitia Huiart, Ala'a Alkerwi, Lorenza Pilotto, Mohannad Al Nsour, Daan Kromhout, Marius B. Bjertness, Oanh T. H. Trinh, Nico Dragano, Angélica Ochoa-Avilés, Ingunn Holden Bergh, Yuki Fujita, Juraci Almeida Cesar, Hajer Aounallah-Skhiri, Maria Dorobantu, Jordi Sunyer, Wolfgang Kratzer, Susanne R. de Rooij, Drude Molbo, Rebecca Goldsmith, Jean Woo, Mohammad El-khateeb, Tiffany K. Gill, Nish Chaturvedi, Benjamin Acosta-Cazares, Erik Lykke Mortensen, Nikhil D. Patel, Francesco Pistelli, Yuan He, Ivana Radic, Yi Zeng, Ilse Khouw, Reynaldo Martorell, Ching-Yu Cheng, Stine Schramm, Hana Shimizu-Furusawa, Jacek Jóźwiak, Radwan Qasrawi, Isti Ilmiati Fujiati, Charles Sossa Jérome, Ben Schöttker, Mikhail Benet, Anastasia Markaki, Christopher T. Cowell, Bharathi Viswanathan, Renata Kuciene, Jose Eugenio Lozano, Pedro J Ortiz, Delphine De Smedt, Elaine M. Murtagh, Kamel Ajlouni, Carlos A. Aguilar-Salinas, Graziella D'Arrigo, Xiangjun Wang, Lars Lind, Macia Enguerran, Marjeta Mišigoj-Duraković, Bo Werner, Jean-Michel Gaspoz, Kyungwon Oh, Seyed Rasoul Zakavi, Daniel Fernández-Bergés, Felix Kaducu, Ramon O. Jimenez, Jonathan E. Shaw, Nipa Rojroongwasinkul, Aicha Soumare, Astrid Petersmann, Tomasz Grodzicki, Parvina Mukhtorova, Eha Nurk, Bhawesh Koirala, Óscar Lopes, Ana Jelakovic, Karolina Milkowska, Magda Gasull, Regina Heidinger-Felso, Marcela González-Gross, Belong Cho, Daphne Mirkopoulou, Salvador Villalpando, Tran Quoc Bao, José Boggia, Daniela Galeone, Josep Redon, Matthias Bopp, Abbas Rezaianzadeh, Dusko Bjelica, Amir Houshang Mehrparvar, Felipe F. Casanueva, Khairil Si-Ramlee, Soheir H Ahmed, Maria Nordendahl, Luciana Zaccagni, Mahboubeh Parsaeian, Rod Jackson, Jorge Motta, Keiu Nelis, Fernando Rigo, Andrzej Pajak, Christa Meisinger, Clara Homs, Namuna Shrestha, Mar Alvarez-Pedrerol, Xun Tang, Johann Willeit, Motahareh Kheradmand, Jean Dallongeville, Jean-Bernard Ruidavets, Anne Tjønneland, Diana A. Santos, Lynne M. Boddy, Jie Hao, David Alejandro González-Chica, Elin Kolle, Jingli Gao, Małgorzata Mossakowska, Isabel O. Oliveira, Giuseppe Grosso, Seongjun Ha, Olfa Saidi, Albina A Fakhretdinova, Oye Gureje, Raluca Pop, Iulia Jurca Simina, Nuno Lunet, Maria Forsner, Peter Bjerregaard, Rachael McLean, Antonio Cabrera de León, Guy De Backer, José A. Casajús, Guang Ning, Emmanuella Magriplis, Laura Censi, Graziella Bruno, Valentina Peterkova, Angelique Chan, Yvonne T. van der Schouw, Charalambos Hadjigeorgiou, Anjani Kumar Jha, Toomas Veidebaum, Thamara Hubler Figueiró, Jana Kratenova, Michelle Cilia, Ivo Rakovac, Bill Stavreski, Ya Xing Wang, Oscar Noboa, Romana Roccaldo, Sara Magnacca, Johan Sundström, Peter Stehle, Tania Lopez, Francis Delpeuch, Julianne Williams, Ellisiv B. Mathiesen, Leanne M. Riley, Claudia M. Hormiga, Joanne Katz, Ekaterina Stoyanova, Heloisa Bettiol, Gabriele Nagel, Alireza Khosravi, Lars Bo Andersen, João Breda, Jørgen Meisfjord, Ahmad Faudzi Yusoff, Marjeta Majer, Robert Beaglehole, Caleb Ochimana, Shynar Abdrakhmanova, George S. Stergiou, Blanca Sandra Ruiz-Betancourt, Leon A. Simons, Eng Joo Tan, Victoria Farrugia Sant'Angelo, Gry Skodje, Maryam Keramati, Liv Elin Torheim, Seppo Koskinen, Assembekov Batyrbek, Jaakko Tuomilehto, Marjo-Riitta Järvelin, Ming-Hui Zhao, Krista Fischer, Tobias F. 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González-Rivas, Rob M. van Dam, Daniel Bia, Oonagh Markey, Ryutaro Ohtsuka, Kumiko Ohara, Ričardas Radišauskas, Jurate Medzioniene, Tiina Vlasoff, Tania Tello, Suzanne C. Ho, Kodavanti Mallikharjuna Rao, May Soe Aung, Vesselka Duleva, Michael Hobbs, Lutgarde Thijs, Marjolein Visser, Parasmani Dasgupta, Inge Huybrechts, Raimund Erbel, Alice Bonilla-Vargas, Hermann Brenner, Mohammad Reza Fattahi, Jolanda Hyska, Roman Topor-Madry, Ranjit Mohan Anjana, Merike Liivak, Eruke E. Egbagbe, Mathilde Savy, Herculina S. Kruger, Neil Murphy, Vinay Nangia, Cesar G. Victora, Mostafa K. Mohamed, H. Bas Bueno-de-Mesquita, Gabriella Gruden, Marcos André Moura-dos-Santos, Mohammed Rasoul Tarawneh, Maria Teresa Menzano, Francesco Branca, Abdonas Tamosiunas, Elena Bogova, Niveen M E Abu-Rmeileh, Maroje Sorić, Aleksander Giwercman, Elżbieta Dziankowska-Zaborszczyk, Tatjana Hejgaard, Yves Kameli, Margarita Samoutian, Andreia N. Pizarro, Jin Soo Moon, Frank Claessens, Zulfiqar A Bhutta, Frank Tanser, Nor Azwany Yaacob, Vanina Bongard, Gregor Jurak, Johan G. Eriksson, Christina-Paulina Lambrinou, Hanspeter Stamm, Kim Overvad, Yanping Li, Carsten Oliver Schmidt, Thomas Meinertz Dantoft, Wichai Aekplakorn, Anwar Batieha, Eduardo Capuano, Teresa Haugsgjerd, Jeremy M. Jacobs, Paola Russo, Nguyen D Nguyen, Luis Revilla, Hossein Poustchi, Farid Najafi, Giovanni de Gaetano, Wan Mohamad Wan Bebakar, Paul Elliott, Denise Eldemire-Shearer, Angela Döring, Giovanni Viegi, Xiaoguang Yang, María-Elena González-Villalpando, Maria Puiu, Maria Benedetta Donati, Andrew Wong, Tomasz Zdrojewski, Carlos P. Boissonnet, Mohamad Hasnan Ahmad, Mahmudur Rahman, Günther Fink, Marcia Makdisse, Dragana P Jovic, Aline Wagner, Coimbatore Subramaniam Shanthirani, Pascal Bovet, Dong Wook Kim, Tom Wilsgaard, Anders Grøntved, Thirunavukkarasu Sathish, Antonia Trichopoulou, Noushin Mohammadifard, Igor Spiroski, Natasja M. van Schoor, Cláudia S. Minderico, Betina H. Thuesen, Queenie Chan, Ulf Ekelund, Laura A. Rodríguez-Villamizar, Line Lund Kårhus, Cihangir Erem, Amina Barkat, Maria Paula Santos, Fernanda Cunha Soares, Constanta Huidumac Petrescu, Allan G. Hill, Honor Bixby, Benoît Salanave, Joana Carvalho, Maigeng Zhou, Ofra Kalter-Leibovici, Roy A Wong-McClure, Kim F. Michaelsen, Doris Stöckl, Rosalynn Siantar, Jouko Saramies, José R. Banegas, Quang Ngoc La, Uruwan Yamborisut, Parinaz Mehdipour, Farhad Pourfarzi, Sudha Ramachandra Rao, Katsuyasu Kouda, Chien-Jen Chen, Rafael dos Santos Henrique, Martin Nankap, Allan Linneberg, Ronald D. Gregor, Rudolf Kaaks, Maria do Carmo Franco, Marta García-Solano, Beata Gurzkowska, Bahman Cheraghian, Stefaan De Henauw, Daniel Ferrante, Johanna A. Otero, Jamila Abubakar Garba, Antonio Pedro Graça, Sumit Bharadwaj, Shiqi Zhen, Xiu-Hua Guo, Prashant Mathur, Raphael Mendes Ritti-Dias, Kouamelan Doua, Esteban Carmuega, Majid Shirani, Przemyslaw Slusarczyk, Petra Rust, Visnja Djordjic, Farahnaz Joukar, Johanna Gunnlaugsdottir, Leila Houti, Nayu Ikeda, Imperia Brajkovich, Amirabbas Momenan, Erik J. Timmermans, Marcin Rutkowski, Biruta Velika, Joana Araújo, Jostein Steene-Johannessen, Christa L. Lilly, Per Tynelius, Michael Tornaritis, Anne Juolevi, Fatima Zahra Laamiri, Carl Lachat, Kai-Uwe Saum, Espen Bjertness, Ana P. Ortiz, Joel G. R. Roy, Himanshu K. Chaturvedi, Michelle Holdsworth, Niels Wedderkopp, Johan Van der Heyden, Mukharram M. Bikbov, Hsien-Ho Lin, Eva Corpeleijn, Harshpal Singh Sachdev, Mohammad Reza Mirjalili, Maria del Cristo Rodriguez-Perez, Michala Lustigová, Tuyen D Le, Teresa Norat, Hana Zamrazilová, Garry Brian, Tien Yin Wong, Rosa Haghshenas, Clive Osmond, Diego Giulliano Destro Christofaro, Mahmood Moosazadeh, Vilma Irazola, Olli T. Raitakari, Marco Aurélio Peres, Terho Lehtimäki, Shuohua Chen, Dimitrios Papandreou, Robert J. Adams, Sigmund A. Anderssen, Peter T. Katzmarzyk, Luisa M Macieira, Félicité Tchibindat, Lital Keinan Boker, Toshiharu Ninomiya, Morten Sodemann, Jytte Halkjær, Zbigniew Kułaga, Sophie Visvikis-Siest, Farshad Farzadfar, N Capkova, Zumin Shi, Maria Turley, Zbigniew Gaciong, Giovanni Veronesi, Martin McKee, Veikko Salomaa, Gilad Twig, Elisabetta L. Romeo, Peter Kristensen, Grazyna Jasienska, Victor Guillermo Sequera, Mario V. Capanzana, Con Burns, Emanuela Pettenuzzo, Ming-Dong Wang, Jonathan Giovannelli, Stela McLachlan, Ellis Owusu-Dabo, Stefania Toselli, Maria Teresa Anselmo Olinto, Senthil K Vasan, Sara Schramm, Xenophon Theodoridis, Moyses Szklo, Ramfis Nieto-Martínez, Viswanathan Mohan, Guillermo Frontera, Rahul Malhotra, Thomas Ferrao, Dongfeng Gu, Tomas Vega, Hynek Pikhart, Päivi Mäki, Heba Fouad, Vilnis Dzerve, Christina Howitt, Seyed Mohammad Hashemi-Shahri, Jenny M. Kindblom, Marjolijn C. E. Bragt, G. K. Mini, Qian Wang, Liufu Cui, Andrzej Galbarczyk, Sylvain Sebert, Vilmundur Gudnason, Loreto Santa Marina, Kairat Davletov, Afshin Ostovar, Niloofar Peykari, Nicholas J. Wareham, Wilma M. Hopman, Karl-Heinz Jöckel, Jussi Kauhanen, Breige A. McNulty, Alina Kerimkulova, Youcef Laid, Claes Ohlsson, Stefan Kiechl, Alicia Matijasevich, Boban Mugoša, Srinivasan Kannan, Jyrki K. Virtanen, Mohan Deepa, Mangesh S. Pednekar, Shahla AlDhukair, Cynthia M. Pérez, Vera Lanska, Tint Swe Latt, Dominique Hange, João Luiz Bastos, Eliza Markidou Ioannidou, Leticia Hernandez Cadena, Maya Tanrygulyyeva, Reza Malekzadeh, Dimitrios Poulimeneas, Pedro Ordunez, Thomas Waldhör, Ioannis Pagkalos, Carlo M. Barbagallo, Abla M. Sibai, Peter Vollenweider, Asher Fawwad, Emily Sonestedt, Elena Pahomova, Santosh K. Bhargava, Patrick Kolsteren, Aya Mostafa, Fangfang Chen, Flavio Nervi, Imre Janszky, Arvind Pandey, Renata Cifkova, Alexandre C. Pereira, Alejandro Diaz, Alireza Ansari-Moghaddam, Rachakulla Hari Kumar, Jaakko Mursu, Luis A. Moreno, Glen Gironella, Jelena Kos, Tilema Cama, Haakon E. Meyer, Jun Ma, Raphael E. Arku, Ziad Abdeen, Rusidah Selamat, Dianna J. Magliano, Jitendra Jonnagaddala, Konstantinos Gkiouras, Paul Korrovits, Paola Nardone, Paolo Vineis, Kotsedi D Monyeki, Khuong Quynh Long, Alberto Barceló, Camilla T. Damsgaard, Constance Schultsz, Frank J Rühli, Santiago F. Gomez, Tara Coppinger, Muhammad Islam, Pierre Traissac, Eleonora d'Orsi, Irfan Nuhoglu, Rui Providência, Bernard Maire, Leandra Abarca-Gómez, Sinead Brophy, Daniela Pierannunzio, Cristina Taddei, Wen-Harn Pan, Gregor Starc, Abdullah Alkandari, Saeed Dastgiri, Lien Braeckevelt, Gustavo Velasquez-Melendez, Sudhir Kowlessur, Bagher Larijani, Cynthia Robitaille, Mohamed M. Ali, Steiner Krokstad, Noor Ani Ahmad, Anar Dushpanova, Agustinus Soemantri, Susana Sans, Ionela Pascanu, Gwenaëlle Le Coroller, Inger Ariansen, Abhijit Sen, Sergej M. Ostojic, Silvana Donoso, Felix K. Assah, Juan A Rivera, Peter H. Whincup, Oana-Florentina Gheorghe-Fronea, Hanan F. Abdul Rahim, Yadlapalli S. Kusuma, Michael Knoflach, Moein Yoosefi, Cassiano Ricardo Rech, Paul Ferdinand M. Reganit, Tomi-Pekka Tuomainen, Francesco Gianfagna, Stefania Maggi, Mohammad Hossein Somi, Behrooz Hamzeh, Bethlehem D. Solomon, Herman Borghs, Zhanna Kalmatayeva, Heidi Klakk, Akram Pourshams, Naomi S. Levitt, Miquel Porta, Vesna Jureša, Alexander D. Deev, Son Thai Pham, Paula Margozzini, Silvia Bel-Serrat, Dora Romaguera, Monira Alarouj, Winsome R. Parnell, Marloes Cardol, David Faeh, Antonio Bernabe-Ortiz, Giota Touloumi, Maryam Kavousi, Sanja Musić Milanović, Jalila El Ati, Sauli Herrala, Liang Xu, Sirkka Keinänen-Kiukaanniemi, Ian Hambleton, Stefan Savin, Andre Pascal Kengne, R. Krishna Kumar, Kurt Widhalm, Marco M Ferrario, Parisa Amiri, Yi Song, Jianfeng Wu, Jeannette Klimont, Jean Ferrières, Farhad Zamani, Shina Avi, Luis Paulo Gomes Mascarenhas, Aluísio J D Barros, Reecha Sofat, Koen Van Herck, Hoang Van Minh, Enrique Gutiérrez-González, Martine Vrijheid, Susana Cararo Confortin, Antonis Zampelas, Bogdan Wojtyniak, Ausra Petrauskiene, Juha Auvinen, Maryam Sharafkhah, Emanuel Zitt, Majid Ezzati, Young-Ho Khang, Ellina Rakhimova, Magdalena Klimek, Luís Lopes, Erkin M. Mirrakhimov, Maria Lc Iurilli, Günay Can, Mark Woodward, Esther Lopez-Garcia, Mauro Virgílio Gomes de Barros, Ahmed A. Madar, Rainford J. Wilks, Shoaib Afzal, Melanie J. Cowan, Gareth Stratton, Eduardo Salazar Martinez, Sameer Narake, Norie Sawada, Li Juan Wu, Adrian Richter, Licia Iacoviello, Hanno Ulmer, Deepak Amarapurkar, Mohsen Ibrahim, Hamed Pouraram, Massimo Salvetti, Hung-Kwan So, Yonghua Hu, Lars Ängquist, Thi Tuyet-Hanh Tran, Charles Lunogelo, Sabina Zambon, Angelika Schaffrath Rosario, Lauren Lissner, Kamarul Imran Musa, Deepa Weerasekera, Bihungum Bista, Takafumi Ishida, Ekaterina Chikova-Iscener, Mirjam M. Heinen, Tazeen H. Jafar, Semánová Csilla, Raija Korpelainen, Edward W. Gregg, Laura Gutierrez, Victor M. Herrera, Aristides M. Machado-Rodrigues, Fatemeh Malekzadeh, Shouling Wu, Jennifer L. Baker, Clicerio González-Villalpando, Irene G. M. van Valkengoed, Anna Fijałkowska, Meghnath Dhimal, Murat Topbaş, George Moschonis, Robert Eggertsen, Quang Ngoc Nguyen, Janette Walton, Elnaz Faramarzi, Nasheeta Peer, Radka Taxová Braunerová, Harald Geiger, Morteza Shamshirgaran, Lela Shengelia, María Ángeles Dal Re Saavedra, Khem Bahadur Karki, Timothy J. Key, Maria G. Grammatikopoulou, Susana Vale, Bernhard O. Boehm, Songhomitra Panda-Jonas, Iveta Pudule, Elisabete Ramos, Lacramioara Aurelia Brinduse, Paul H. Lee, Terence W O'Neill, Javad Aghazadeh-Attari, Margus Punab, Bojan Jelaković, Eliza Cinteza, Ha Tp Do, and Alison J. Hayes
Subjects: education.field_of_study, business.industry, Population, Distribution (economics), medicine.disease, Obesity, Geography, medicine, Underweight, medicine.symptom, education, business, Body mass index, Demography
Published: 2020

50. Sobrepeso, obesidad y niveles de presión arterial en niños de nivel 5 de jardines de infantes públicos de Montevideo: prevalencia y factores asociados

Author: Yanina Zócalo, Fabiana Peregalli, Raul Ramirez, Valentina Guillermo, Leticia Klaps, María Isabel Bove, Daniel Bia, Adriana Iturralde, Caren Zelmonovich, and Gustavo Giachetto
Subjects: business.industry, Energy Engineering and Power Technology, Overweight, Anthropometry, medicine.disease, Obesity, Fuel Technology, Blood pressure, Environmental health, medicine, Child obesity, medicine.symptom, business, Eating habits, Abdominal obesity, Sedentary lifestyle
Abstract: Introduction: in recent years, Uruguay has seen an increase of the prevalence of overweight and obesity.Scientific evidence has shown that early childhood conditions are determinant.Objective: to determine the prevalence of overweight, obesity and brachial blood pressure levels andidentify associated risk factors in 5-year-old children who attend public preschool centers in Montevideo.Method: transversal study (7/2016-6/2017) in a representative sample of 771 5-year-old children frompreschool centers in Montevideo. We assessed their history, eating habits, physical activity, sleeping habits, weight and maternal size. We recorded anthropometry and brachial blood pressure for each child.Results: the prevalence of overweight or obesity was 40.6% (CI 95%: 37.4- 44.3), obesity 16.5% (CI 95%: 13.9-19.1) and abdominal obesity 12.9% (CI 95%: 11.0-15.8). 29.4% of mothers reported overweight and 21.9% of them reported obesity. Sedentary lifestyle was found in 58.3%, long screen viewing in 60.4% and inadequate sleep in 40.9%. Frequent consumption of pastries, wafers and biscuits for breakfast, cold cuts during week days, preference of food they see in advertisements, and reported maternal overweight or obesity were associated to child obesity. Children with overweight and/or abdominal obesity evidenced higher levels of brachial blood pressure.Conclusions. prevalence of overweight and obesity in 5-year-old children from public preschool centers in Montevideo is high. Maternal overweight and obesity and habits in connection with eating, physical activity and amount of sleep are associated with this condition.
Published: 2020

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