39 results on '"Kalamara E"'
Search Results
2. Sleep quality and associated factors in the context of COVID-19, among prehospital emergency personnel, in North-Eastern Greece
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Arvaniti, A, Steiropoulos, P, Panousis, Ch, Kalamara, E, Samakouri, M, Constantinidis, T, and Nena, E
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Original Article - Abstract
Background: The stressful conditions that emerged during the Coronavirus disease 2019 (COVID-19) pandemic have had a negative impact on sleep quality in large part of the healthcare worker population. This study aimed to assess the self-reported quality of sleep among members of the Emergency Ambulance Service personnel of the National Emergency Center in the region of Thrace, Northeastern Greece, and to investigate its associations with perceived stress, feelings, and perceptions of well-being during the COVID-19 pandemic. Methods: The study was conducted from March to May 2021 using an online structured questionnaire, and the collected data included: socio-demographic characteristics, occupational and medical history, distress and mental health issues due to COVID-19 and the following self-administrated instruments: Pittsburgh Sleep Quality Index (PSQI), WHO-5 Well-Being Index (WHO-5), and Perceived Stress Scale-14 items (PSS-14). Results: Among the 74 participants, 71 % were poor sleepers (i.e., PSQI >5). The majority (83 % of the sample) reported feelings of stigma due to their occupation, with the proportion being higher among women (100 % vs 78 % in men, p =0.05) and poor sleepers (95 % vs 65 % in good sleepers, p =0.03). Poor sleepers had significantly lower WHO-5 scores than good sleepers (13.8 ± 4.9 vs 16.9 ± 5.8, p =0.04) and were experiencing significantly more anxiety and/or sadness at the time they answered the questionnaire (69.1 % vs 35.3 %, p =0.02). Perceived stress was significantly positively correlated with the “Latency” dimension of the PSQI (p =0.03). Conclusions: Poor sleep quality and feelings of stigmatization were prevalent for most of the sample. Poor sleep quality was associated more frequently with reported feelings of stigmatization, anxiety and/or sadness, and impaired well-being. HIPPOKRATIA 2021, 25 (3):126-133.
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- 2021
3. Univariable associations between a history of incarceration and HIV and HCV prevalence among people who inject drugs across 17 countries in Europe 2006 to 2020 – is the precautionary principle applicable?
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Wiessing, L. Kalamara, E. Stone, J. Altan, P. van Baelen, L. Fotiou, A. Garcia, D. Goulao, J. Guarita, B. Hope, V. Jauffret-Roustide, M. Jurgelaitienė, L. Kåberg, M. Kamarulzaman, A. Lemsalu, L. Kivite-Urtane, A. Kolarić, B. Montanari, L. Rosińska, M. Sava, L. Horváth, I. Seyler, T. Sypsa, V. Tarján, A. Yiasemi, I. Zimmermann, R. Ferri, M. Dolan, K. Uusküla, A. Vickerman, P.
- Abstract
Background: People who inject drugs (PWID) are frequently incarcerated, which is associated with multiple negative health outcomes. Aim: We aimed to estimate the associations between a history of incarceration and prevalence of HIV and HCV infection among PWID in Europe. Methods: Aggregate data from PWID recruited in drug services (excluding prison services) or elsewhere in the community were reported by 17 of 30 countries (16 per virus) collaborating in a European drug monitoring system (2006–2020; n=52,368 HIV+/-; n=47,268 HCV+/-). Country-specific odds ratios (OR) and prevalence ratios (PR) were calculated from country totals of HIV and HCV antibody status and self-reported life-time incarceration history, and pooled using meta-analyses. Country-specific and overall population attributable risk (PAR) were estimated using pooled PR. Results: Univariable HIV OR ranged between 0.73 and 6.37 (median: 2.1; pooled OR: 1.92; 95% CI: 1.52–2.42). Pooled PR was 1.66 (95% CI 1.38–1.98), giving a PAR of 25.8% (95% CI 16.7–34.0). Univariable anti-HCV OR ranged between 1.06 and 5.04 (median: 2.70; pooled OR: 2.51; 95% CI: 2.17–2.91). Pooled PR was 1.42 (95% CI: 1.28–1.58) and PAR 16.7% (95% CI: 11.8–21.7). Subgroup analyses showed differences in the OR for HCV by geographical region, with lower estimates in southern Europe. Conclusion: In univariable analysis, a history of incarceration was associated with positive HIV and HCV serostatus among PWID in Europe. Applying the precautionary principle would suggest finding alternatives to incarceration of PWID and strengthening health and social services in prison and after release (‘throughcare’). © 2021 European Centre for Disease Prevention and Control (ECDC). All rights reserved.
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- 2021
4. Evaluation of the Efficacy of a Probiotic Containing Lactobacillus, Bifidobacterium, Enterococcus, and Pediococcus Strains in Promoting Broiler Performance and Modulating Cecal Microflora Composition and Metabolic Activities
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Mountzouris, K.C., Tsirtsikos, P., Kalamara, E., Nitsch, S., Schatzmayr, G., and Fegeros, K.
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- 2007
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5. An Analysis of the Efficiency of Tax Administrations of 26 European Countries in 2017
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Anastasiou, A., primary, Kalligosfyris, C., additional, and Kalamara, E., additional
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- 2021
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6. Measuring authoritarianism in a Greek health care setting
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Arvaniti, Aik., primary, Livaditis, M., additional, Kalamara, E., additional, Vorvolakos, Th., additional, Serdari, A., additional, and Samakouri, M., additional
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- 2018
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7. Authoritarianism Scale--Greek Version
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Arvaniti, Aik., primary, Livaditis, M., additional, Kalamara, E., additional, Vorvolakos, Th., additional, Serdari, A., additional, and Samakouri, M., additional
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- 2018
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8. Monitoring quality and coverage of harm reduction services for people who use drugs: A consensus study
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Wiessing, L, Ferri, M, Běláčková, V, Carrieri, P, Friedman, SR, Folch, C, Dolan, K, Galvin, B, Vickerman, P, Lazarus, JV, Mravčík, V, Kretzschmar, M, Sypsa, V, Sarasa-Renedo, A, Uusküla, A, Paraskevis, D, Mendão, L, Rossi, D, van Gelder, N, Mitcheson, L, Paoli, L, Gomez, CD, Milhet, M, Dascalu, N, Knight, J, Hay, G, Kalamara, E, Simon, R, Comiskey, C, Rossi, C, Griffiths, P, Molinaro, S, Franchini, M, Siciliano, V, Benedetti, E, Perduca, M, Ylli, A, Anta, GB, Bravo Portela, MJ, Indave, I, Rácz, J, Zábranskỳ, T, Štefunková, M, Dávila, PF, Salekesin, M, Vorobjov, S, Dan, M, Fierbinteanu, C, Popescu, D, Verdes, L, Abagiu, AO, Hatzakis, A, Moudatsou, M, Antypas, T, Cadet-Tairou, A, Collins, AM, Liddell, D, Wiessing, L, Ferri, M, Běláčková, V, Carrieri, P, Friedman, SR, Folch, C, Dolan, K, Galvin, B, Vickerman, P, Lazarus, JV, Mravčík, V, Kretzschmar, M, Sypsa, V, Sarasa-Renedo, A, Uusküla, A, Paraskevis, D, Mendão, L, Rossi, D, van Gelder, N, Mitcheson, L, Paoli, L, Gomez, CD, Milhet, M, Dascalu, N, Knight, J, Hay, G, Kalamara, E, Simon, R, Comiskey, C, Rossi, C, Griffiths, P, Molinaro, S, Franchini, M, Siciliano, V, Benedetti, E, Perduca, M, Ylli, A, Anta, GB, Bravo Portela, MJ, Indave, I, Rácz, J, Zábranskỳ, T, Štefunková, M, Dávila, PF, Salekesin, M, Vorobjov, S, Dan, M, Fierbinteanu, C, Popescu, D, Verdes, L, Abagiu, AO, Hatzakis, A, Moudatsou, M, Antypas, T, Cadet-Tairou, A, Collins, AM, and Liddell, D
- Abstract
© 2017 The Author(s). Background and aims: Despite advances in our knowledge of effective services for people who use drugs over the last decades globally, coverage remains poor in most countries, while quality is often unknown. This paper aims to discuss the historical development of successful epidemiological indicators and to present a framework for extending them with additional indicators of coverage and quality of harm reduction services, for monitoring and evaluation at international, national or subnational levels. The ultimate aim is to improve these services in order to reduce health and social problems among people who use drugs, such as human immunodeficiency virus (HIV) and hepatitis C virus (HCV) infection, crime and legal problems, overdose (death) and other morbidity and mortality. Methods and results: The framework was developed collaboratively using consensus methods involving nominal group meetings, review of existing quality standards, repeated email commenting rounds and qualitative analysis of opinions/experiences from a broad range of professionals/experts, including members of civil society and organisations representing people who use drugs. Twelve priority candidate indicators are proposed for opioid agonist therapy (OAT), needle and syringe programmes (NSP) and generic cross-cutting aspects of harm reduction (and potentially other drug) services. Under the specific OAT indicators, priority indicators included 'coverage', 'waiting list time', 'dosage' and 'availability in prisons'. For the specific NSP indicators, the priority indicators included 'coverage', 'number of needles/syringes distributed/collected', 'provision of other drug use paraphernalia' and 'availability in prisons'. Among the generic or cross-cutting indicators the priority indicators were 'infectious diseases counselling and care', 'take away naloxone', 'information on safe use/sex' and 'condoms'. We discuss conditions for the successful development of the suggested indica
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- 2017
9. Hepatitis C virus infection epidemiology among people who inject drugs in Europe: a systematic review of data for scaling up treatment and prevention
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Wiessing, L., Ferri, M., Grady, B., Kantzanou, M., Sperle, I., Cullen, K. J., Hatzakis, Angelos E., Prins, M., Vickerman, P., Lazarus, J. V., Hope, V. D., Matheï, C., Busch, M., Bollaerts, K., Bogdanova, V., Nesheva, E., Fotsiou, N., Kostrikis, Leontios G., Mravčík, V., Řehák, V., Částková, J., Hobstová, J., Nechanská, B., Fouchard, J., Abel-Ollo, K., Tefanova, V., Tallo, T., Brummer-Korvenkontio, H., Brisacier, A. -C, Michot, I., Jauffret-Roustide, M., Zimmermann, R., Fotiou, A., Gazdag, G., Tarján, A., Galvin, B., Thornton, L., Cruciani, M., Basso, M., Karnite, A., Caplinskiene, I., Lopes, S., Origer, A., Melillo, J., Camilleri, M., Demanuele, C. O., Croes, E., Op De Coul, E., Rosińska, M., Struzik, M., Martins, M., Duran, D., Vilar, G., Resende, M. E., Martins, H. C., Abagiu, A. O., Ruta, S., Arama, V., Kopilovic, B., Kustec, T., Klavs, I., Aleixandre, N. L., Folch, C., Bravo, M. J., Gómez, R. S., Berglund, T., Strandberg, J., Hotho, D., Van Houdt, S., Low, A., Mcdonald, B., Platt, L., Kalamara, E., Giraudon, I., Groshkova, T., Palladino, C., Hutchinson, S., Ncube, F., Eramova, I., Goldberg, D., Vicente, J., and Griffiths, P.
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multivariate logistic regression analysis ,Pathology ,Epidemiology ,men who have sex with men ,lcsh:Medicine ,HIV Infections ,Comorbidity ,high risk patient ,Global Health ,Interquartile range ,Prevalence ,Medicine and Health Sciences ,Public and Occupational Health ,Substance Abuse, Intravenous ,lcsh:Science ,media_common ,Immunoassay ,education.field_of_study ,Multidisciplinary ,Hepatitis C virus ,adult ,Incidence ,Incidence (epidemiology) ,Hepatitis C ,virus transmission ,Europe ,hospital patient ,female ,multivariate analysis ,Infectious Diseases ,risk factor ,outpatient ,health insurance ,Viral hepatitis ,insurance ,Research Article ,Hepatitis C virus testing ,medicine.medical_specialty ,Population ,review ,Gastroenterology and Hepatology ,male ,Environmental health ,Mental Health and Psychiatry ,medicine ,follow up ,Humans ,media_common.cataloged_instance ,controlled study ,human ,European Union ,infection risk ,European union ,education ,outcome assessment ,screening test ,medicaid ,Primary Care ,Disease burden ,business.industry ,practice guideline ,patient care ,lcsh:R ,CD4 lymphocyte count ,heterosexuality ,medicine.disease ,major clinical study ,United States ,Health Care ,Intravenous drug abuse ,lcsh:Q ,hepatitis C ,business ,RA - Abstract
Background: People who inject drugs (PWID) are a key population affected by hepatitis C virus (HCV). Treatment options are improving and may enhance prevention; however access for PWID may be poor. The availability in the literature of information on seven main topic areas (incidence, chronicity, genotypes, HIV co-infection, diagnosis and treatment uptake, and burden of disease) to guide HCV treatment and prevention scale-up for PWID in the 27 countries of the European Union is systematically reviewed. Methods and Findings: We searched MEDLINE, EMBASE and Cochrane Library for publications between 1 January 2000 and 31 December 2012, with a search strategy of general keywords regarding viral hepatitis, substance abuse and geographic scope, as well as topic-specific keywords. Additional articles were found through structured email consultations with a large European expert network. Data availability was highly variable and important limitations existed in comparability and representativeness. Nine of 27 countries had data on HCV incidence among PWID, which was often high (2.7-66/100 person-years, median 13, Interquartile range (IQR) 8.7-28). Most common HCV genotypes were G1 and G3; however, G4 may be increasing, while the proportion of traditionally 'difficult to treat' genotypes (G1+G4) showed large variation (median 53, IQR 43-62). Twelve countries reported on HCV chronicity (median 72, IQR 64-81) and 22 on HIV prevalence in HCV-infected PWID (median 3.9%, IQR 0.2-28). Undiagnosed infection, assessed in five countries, was high (median 49%, IQR 38-64), while of those diagnosed, the proportion entering treatment was low (median 9.5%, IQR 3.5-15). Burden of disease, where assessed, was high and will rise in the next decade. Conclusion: Key data on HCV epidemiology, care and disease burden among PWID in Europe are sparse but suggest many undiagnosed infections and poor treatment uptake. Stronger efforts are needed to improve data availability to guide an increase in HCV treatment among PWID., peer-reviewed
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- 2014
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10. The role of procalcitonin and IL-6 in discriminating between septic and non-septic causes of ALI/ARDS: A prospective observational study
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Tsantes, A. Tsangaris, I. Kopterides, P. Kapsimali, V. Antonakos, G. Zerva, A. Kalamara, E. Bonovas, S. Tsaknis, G. Vrigou, E. Maniatis, N. Dima, K. Armaganidis, A.
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bacterial infections and mycoses - Abstract
Background: The aim was to evaluate the clinical usefulness of a single plasma and bronchoalveolar lavage fluid (BALF) PCT and IL-6 measurement in discriminating septic from non-septic causes of acute respiratory distress syndrome (ARDS) and forecasting clinical outcomes. Methods: One hundred patients were enrolled within 48 h of ALI/ARDS recognition. Demographic, clinical data, severity indices were recorded and PCT and IL-6 concentrations were measured in plasma and BALF. Results: Plasma PCT and IL-6 values were significantly higher in septic compared to non-septic individuals (p=0.001 and 0.0005, respectively), while there were no differences in their respective BALF values. As far as identification of septic vs. non-septic ARDS is concerned, the comparison of the areas under the curves favored PCT vs. IL-6 [0.88, (95% CI 0.81-0.95) vs. 0.71, (95% CI 0.60-0.81); χ2=9.04, p=0.003]. A plasma PCT level of 0.815 ng/mL was associated with 74.1% sensitivity and 97.6% specificity in identifying septic ARDS cases; this corresponded to a diagnostic odds ratio value of 116. Linear regression multivariable analysis disclosed a significant relation of plasma PCT with SOFA score in septic ARDS patients (p
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- 2013
11. Evaluation of the role of the new INNOVANCE PFA P2Y test cartridge in detection of clopidogrel resistance
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Tsantes, A. Ikonomidis, I. Papadakis, I. Kottaridi, C. Tsante, A. Kalamara, E. Kardoulaki, A. Kopterides, P. Kapsimali, V. Karakitsos, P. Lekakis, J. Travlou, A.
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Light transmittance aggregometry (LTA) has been extensively used in monitoring clopidogrel therapy. However, the availability of simple and rapid point-of-care platelet function assays is of great clinical importance. Thus, the manufacturer of the Platelet Function Analyzer (PFA)-100 System has recently produced the INNOVANCE PFA P2Y test cartridge. We assessed the ability of this new test to reliably detect clopidogrel resistance. We enrolled 90 consecutive patients with coronary artery disease receiving chronic clopidogrel maintenance therapy in combination with aspirin. Twenty healthy volunteers served as controls. Clopidogrel resistance was simultaneously analysed by the INNOVANCE PFA P2Y test cartridge, ADP-induced LTA, the flow-cytometric vasodilator-stimulated phosphoprotein (VASP)-phosphorylation assay and the multiple electrode aggregometry (Multiplate). Agreement among the four platelet function methods by two was assessed using Cohen's kappa coefficient. According to the cut-off points for clopidogrel resistance proposed by the literature, agreement was fair between INNOVANCE PFA-100 P2Y and LTA (74.4) and Multiplate (75.6), while poor agreement was noticed in VASP assay (63.3). Based on cut-off points indicating a higher thrombotic risk, agreement between the PFA-100 System and the other three methods did not significantly differ compared to the previous cut-offs (72.2, 71.1 and 55.1, respectively). The INNOVANCE PFA-100 P2Y test seems to be comparable to other established platelet function assays in detecting clopidogrel resistance. However, the modest agreement among platelet function methods makes the performance of platelet function testing crucial with more than one technique in order to reliably identify poor responders to clopidogrel treatment. © 2012 Informa UK Ltd All rights reserved: reproduction in whole or part not permitted.
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- 2012
12. Angiotensin converting enzyme (ACE) insertion/deletion (I/D) polymorphism and circulating ACE levels are not associated with outcome in critically ill septic patients
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Tsantes, A. Tsangaris, I. Kopterides, P. Nikolopoulos, G. Kalamara, E. Antonakos, G. Kapsimali, V. Gialeraki, A. Dimopoulou, I. Orfanos, S. Dima, K. Travlou, A. Armaganidis, A.
- Abstract
Background: In critically ill patients independent studies have shown contradictory findings regarding the prognostic significance of the D/D genotype of the I/D angiotensin converting enzyme (ACE) polymorphism. The study aim was to evaluate the effect of both ACE I/D polymorphism and ACE serum levels on the clinical outcomes of critically ill septic patients. Methods: This study recruited 186 Caucasian patients with sepsis, severe sepsis or septic shock. Epidemiological, clinical data, co-morbidities and severity scores were recorded. Measurements of serum ACE activity and genotyping for ACE I/D polymorphism were carried out. Primary outcomes were the 28-and the 90-day mortality; secondary outcomes included the number of days without renal or cardiovascular failure and ventilation-free days over the 28-day period following study enrolment. Results: Neither 28-nor 90-day mortality were associated with ACE I/D polymorphism (p=0.59 and 0.34, respectively) or circulating ACE levels (p=0.17 and 0.25, respectively). Similarly, ACE polymorphism and levels were not related to ventilation-free days (p=0.14 and 0.25, respectively), days without cardiovascular failure (p=0.14 and 0.81, respectively) and days without renal failure (p=0.64 and 0.27, respectively). Conclusions: Neither ACE I/D polymorphism nor serum ACE levels seem to be significant prognostic factors of clinical outcomes in septic, critically ill patients. © 2012 by Walter de Gruyter Berlin Boston.
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- 2012
13. Human immunodeficiency virus among people who inject drugs: Is risk increasing in Europe?
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Hedrich, D, primary, Kalamara, E, additional, Sfetcu, O, additional, Pharris, A, additional, Noor, A, additional, Wiessing, L, additional, Hope, V, additional, and Van de Laar, M, additional
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- 2013
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14. 57 EVALUATION OF THE QUALITY OF LIFE OF WOMEN USING AN ESTRADIOL AND DROSPIRENONE COMBINED ORAL HRT
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Galaziou, A., primary, Galazios, G., additional, Kalamara, E., additional, Tsicouras, P., additional, Limperis, V., additional, and Kolios, G., additional
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- 2012
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15. Distribution of major health risks: Findings from the global burden of disease study
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Rodgers, A, Ezzati, M, Vander Hoorn, S, Lopez, AD, Lin, RB, Murray, CJL, Fishman, S, Caulfield, LE, de Onis, M, Blössner, M, Hyder, AA, Mullany, L, Black, RE, Stoltzfus, RJ, Rice, AJ, West, KP, Lawes, C, Law, M, Elliott, P, MacMahon, S, James, WPT, Jackson-Leach, R, Ni Mhurchu, C, Kalamara, E, Shayeghi, M, Rigby, NJ, Nishida, C, Lock, K, Pomerleau, J, Causer, L, McKee, M, Bull, FC, Dixon, T, Ham, S, Neiman, A, Pratt, M, Rehm, J, Room, R, Monteiro, M, Gmel, G, Graham, K, Rehn, N, Sempos, CT, Frick, U, Jernigan, D, Degenhardt, L, Hall, W, Warner-Smith, M, Lynskey, M, Slaymaker, E, Walker, N, Armstrong, T, Collumbien, M, Gerressu, M, Cleland, J, Prüss-Ustun, A, Kay, D, Fewtrell, L, Bartram, J, Cohen, A, Anderson, R, Ostro, B, Dev Pandey, K, Krzyzanowski, M, Künzli, N, Gutschmidt, K, Pope, A, Romieu, I, Samet, J, Smith, K, Smith, KR, Mehta, S, Feuz, M, Landrigan, P, Ayuso, JL, McMichael, A, Campbell-Lendrum, D, Kovats, S, Edwards, S, Wilkinson, P, Tanser, F, Le Sueur, D, Schlesinger, M, Andronova, N, Nicholls, R, Wilson, T, Hales, S, Concha, M, Imel Nelson, D, Fingerhut, M, Leigh, J, Corvalan, C, Driscoll, T, Kyle Steenland, N, Punnett, L, Tak, SW, Phillips, S, Hauri, AM, Armstrong, GL, Hutin, YJF, Rodgers, A, Ezzati, M, Vander Hoorn, S, Lopez, AD, Lin, RB, Murray, CJL, Fishman, S, Caulfield, LE, de Onis, M, Blössner, M, Hyder, AA, Mullany, L, Black, RE, Stoltzfus, RJ, Rice, AJ, West, KP, Lawes, C, Law, M, Elliott, P, MacMahon, S, James, WPT, Jackson-Leach, R, Ni Mhurchu, C, Kalamara, E, Shayeghi, M, Rigby, NJ, Nishida, C, Lock, K, Pomerleau, J, Causer, L, McKee, M, Bull, FC, Dixon, T, Ham, S, Neiman, A, Pratt, M, Rehm, J, Room, R, Monteiro, M, Gmel, G, Graham, K, Rehn, N, Sempos, CT, Frick, U, Jernigan, D, Degenhardt, L, Hall, W, Warner-Smith, M, Lynskey, M, Slaymaker, E, Walker, N, Armstrong, T, Collumbien, M, Gerressu, M, Cleland, J, Prüss-Ustun, A, Kay, D, Fewtrell, L, Bartram, J, Cohen, A, Anderson, R, Ostro, B, Dev Pandey, K, Krzyzanowski, M, Künzli, N, Gutschmidt, K, Pope, A, Romieu, I, Samet, J, Smith, K, Smith, KR, Mehta, S, Feuz, M, Landrigan, P, Ayuso, JL, McMichael, A, Campbell-Lendrum, D, Kovats, S, Edwards, S, Wilkinson, P, Tanser, F, Le Sueur, D, Schlesinger, M, Andronova, N, Nicholls, R, Wilson, T, Hales, S, Concha, M, Imel Nelson, D, Fingerhut, M, Leigh, J, Corvalan, C, Driscoll, T, Kyle Steenland, N, Punnett, L, Tak, SW, Phillips, S, Hauri, AM, Armstrong, GL, and Hutin, YJF
- Abstract
Background: Most analyses of risks to health focus on the total burden of their aggregate effects. The distribution of risk-factor-attributable disease burden, for example by age or exposure level, can inform the selection and targeting of specific interventions and programs, and increase cost-effectiveness. Methods and Findings: For 26 selected risk factors, expert working groups conducted comprehensive reviews of data on risk-factor exposure and hazard for 14 epidemiological subregions of the world, by age and sex. Age-sex-subregion-population attributable fractions were estimated and applied to the mortality and burden of disease estimates from the World Health Organization Global Burden of Disease database. Where possible, exposure levels were assessed as continuous measures, or as multiple categories. The proportion of risk-factor-attributable burden in different population subgroups, defined by age, sex, and exposure level, was estimated. For major cardiovascular risk factors (blood pressure, cholesterol, tobacco use, fruit and vegetable intake, body mass index, and physical inactivity) 43%-61% of attributable disease burden occurred between the ages of 15 and 59 y, and 87% of alcohol-attributable burden occurred in this age group. Most of the disease burden for continuous risks occurred in those with only moderately raised levels, not among those with levels above commonly used cut-points, such as those with hypertension or obesity. Of all disease burden attributable to being underweight during childhood, 55% occurred among children 1-3 standard deviations below the reference population median, and the remainder occurred among severely malnourished children, who were three or more standard deviations below median. Conclusions: Many major global risks are widely spread in a population, rather than restricted to a minority. Population-based strategies that seek to shift the whole distribution of risk factors often have the potential to produce substantial reduc
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- 2004
16. P841 Evaluation of the quality of life of women using an estradiol and drospirenone combined oral HRT
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Galazios, G., primary, Kalamara, E., additional, Tsikouras, P., additional, Dafopoulos, A., additional, Liberis, V., additional, and Kolios, G., additional
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- 2009
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17. Validity of the Greek Eating Disorder Examination Questionnaire 6.0 (EDE-Q-6.0) among Greek adolescents.
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Pliatskidou, S., Samakouri, M., Kalamara, E., Papageorgiou, E., Koutrouvi, K., Goulemtzakis, C., Nikolaou, E., and Livaditis, M.
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- 2015
18. Current measles outbreak in Greece
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Georgakopoulou, T, primary, Grylli, C, additional, Kalamara, E, additional, Katerelos, P, additional, Spala, G, additional, and Panagiotopoulos, T, additional
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- 2006
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19. Intramachine and intermachine reproducibility of concentric performance: A study of the Con-Trex MJ and the Cybex Norm dynamometers
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Bardis, C., primary, Kalamara, E., additional, Loucaides, G., additional, Michaelides, M., additional, and Tsaklis, P., additional
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- 2004
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20. Reliability of the Greek version of the eating disorder examination questionnaire (EDE-Q) in a sample of adolescent students.
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Pliatskidou, S., Samakouri, M., Kalamara, E., Goulemtzakis, C., Koutrouvi, K., Papageorgiou, E., and Livadites, M.
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- 2012
21. Health service staff's attitudes towards patients with mental illness.
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Arvaniti A, Samakouri M, Kalamara E, Bochtsou V, Bikos C, Livaditis M, Arvaniti, Aikaterini, Samakouri, Maria, Kalamara, Eleni, Bochtsou, Valentini, Bikos, Constantinos, and Livaditis, Miltos
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Introduction: Stereotypes and prejudices against patients with mental illness are widespread in many societies. The aim of the present study is to investigate such attitudes among the staff and medical students, including employees and trainees, in a general university hospital.Method: Six hundred individuals (361 employees, 231 students) completed the following questionnaires: Level of Contact Report (LCR), Authoritarianism Scale (AS), and Opinion about Mental Illness (OMI), a scale yielding five factors (social discrimination, social restriction, social care, social integration, and aetiology). Multivariate linear regression models were applied in order to search for the simultaneous effect of many variables on the scores of OMI factors.Results: An important part of the sample held negative attitudes especially concerning social discrimination and restriction of the patients. Women, older and less educated staff, nursing staff, and people scoring higher on authoritarianism were more prejudiced. Higher scores on familiarity were associated with less negative attitudes.Conclusion: The results indicate the need to develop sensitisation and training programs considering mental health topics among health service employees. [ABSTRACT FROM AUTHOR]- Published
- 2009
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22. Epidemiology of Low Back Pain in Cyprus: Comparison with Data from Greece.
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Georgoudis, Georgios, Mpardis, Ch., Kalamara, E., Christodoulou, F., Efstadiathis, G., Vasileiou, G., Menelaou, M., Loizidis, L., Christoforou, Ch., and Lapithis, A.
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- 2006
23. Distribution of major health risks: Findings from the global burden of disease study
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Rodgers, A., Ezzati, M., Vander Hoorn, S., Lopez, A.D., Lin, R.-B., Murray, C.J.L., Fishman, S., Caulfield, L.E., de Onis, M., Blössner, M., Hyder, A.A., Mullany, L., Black, R.E., Stoltzfus, R.J., Rice, A.J., West, K.P., Lawes, C., Law, M., Elliott, P., MacMahon, S., James, W.P.T., Jackson-Leach, R., Ni Mhurchu, C., Kalamara, E., Shayeghi, M., Rigby, N.J., Nishida, C., Lock, K., Pomerleau, J., Causer, L., McKee, M., Bull, F.C., Dixon, T., Ham, S., Neiman, A., Pratt, M., Rehm, J., Room, R., Monteiro, M., Gmel, G., Graham, K., Rehn, N., Sempos, C.T., Frick, U., Jernigan, D., Degenhardt, L., Hall, W., Warner-Smith, M., Lynskey, M., Slaymaker, E., Walker, N., Armstrong, T., Collumbien, M., Gerressu, M., Cleland, J., Prüss-Ustun, A., Kay, D., Fewtrell, L., Bartram, J., Cohen, A., Anderson, R., Ostro, B., Dev Pandey, K., Krzyzanowski, M., Künzli, N., Gutschmidt, K., Pope, A., Romieu, I., Samet, J., Smith, K., Smith, K.R., Mehta, S., Feuz, M., Landrigan, P., Ayuso, J.L., McMichael, A., Campbell-Lendrum, D., Kovats, S., Edwards, S., Wilkinson, P., Tanser, F., Le Sueur, D., Schlesinger, M., Andronova, N., Nicholls, R., Wilson, T., Hales, S., Concha, M., Imel Nelson, D., Fingerhut, M., Leigh, J., Corvalan, C., Driscoll, T., Kyle Steenland, N., Punnett, L., Tak, S.W., Phillips, S., Hauri, A.M., Armstrong, G.L., Hutin, Y.J.F., Andrews, G., Corry, J., Issakidis, C., Slade, T., Swanston, H., Blakely, T., Kieft, C., Wilson, N., Woodward, A., Rodgers, A., Ezzati, M., Vander Hoorn, S., Lopez, A.D., Lin, R.-B., Murray, C.J.L., Fishman, S., Caulfield, L.E., de Onis, M., Blössner, M., Hyder, A.A., Mullany, L., Black, R.E., Stoltzfus, R.J., Rice, A.J., West, K.P., Lawes, C., Law, M., Elliott, P., MacMahon, S., James, W.P.T., Jackson-Leach, R., Ni Mhurchu, C., Kalamara, E., Shayeghi, M., Rigby, N.J., Nishida, C., Lock, K., Pomerleau, J., Causer, L., McKee, M., Bull, F.C., Dixon, T., Ham, S., Neiman, A., Pratt, M., Rehm, J., Room, R., Monteiro, M., Gmel, G., Graham, K., Rehn, N., Sempos, C.T., Frick, U., Jernigan, D., Degenhardt, L., Hall, W., Warner-Smith, M., Lynskey, M., Slaymaker, E., Walker, N., Armstrong, T., Collumbien, M., Gerressu, M., Cleland, J., Prüss-Ustun, A., Kay, D., Fewtrell, L., Bartram, J., Cohen, A., Anderson, R., Ostro, B., Dev Pandey, K., Krzyzanowski, M., Künzli, N., Gutschmidt, K., Pope, A., Romieu, I., Samet, J., Smith, K., Smith, K.R., Mehta, S., Feuz, M., Landrigan, P., Ayuso, J.L., McMichael, A., Campbell-Lendrum, D., Kovats, S., Edwards, S., Wilkinson, P., Tanser, F., Le Sueur, D., Schlesinger, M., Andronova, N., Nicholls, R., Wilson, T., Hales, S., Concha, M., Imel Nelson, D., Fingerhut, M., Leigh, J., Corvalan, C., Driscoll, T., Kyle Steenland, N., Punnett, L., Tak, S.W., Phillips, S., Hauri, A.M., Armstrong, G.L., Hutin, Y.J.F., Andrews, G., Corry, J., Issakidis, C., Slade, T., Swanston, H., Blakely, T., Kieft, C., Wilson, N., and Woodward, A.
- Abstract
Most analyses of risks to health focus on the total burden of their aggregate effects. The distribution of risk-factor-attributable disease burden, for example by age or exposure level, can inform the selection and targeting of specific interventions and programs, and increase cost-effectiveness. METHODS AND FINDINGS: For 26 selected risk factors, expert working groups conducted comprehensive reviews of data on risk-factor exposure and hazard for 14 epidemiological subregions of the world, by age and sex. Age-sex-subregion-population attributable fractions were estimated and applied to the mortality and burden of disease estimates from the World Health Organization Global Burden of Disease database. Where possible, exposure levels were assessed as continuous measures, or as multiple categories. The proportion of risk-factor-attributable burden in different population subgroups, defined by age, sex, and exposure level, was estimated. For major cardiovascular risk factors (blood pressure, cholesterol, tobacco use, fruit and vegetable intake, body mass index, and physical inactivity) 43%-61% of attributable disease burden occurred between the ages of 15 and 59 y, and 87% of alcohol-attributable burden occurred in this age group. Most of the disease burden for continuous risks occurred in those with only moderately raised levels, not among those with levels above commonly used cut-points, such as those with hypertension or obesity. Of all disease burden attributable to being underweight during childhood, 55% occurred among children 1-3 standard deviations below the reference population median, and the remainder occurred among severely malnourished children, who were three or more standard deviations below median. CONCLUSIONS: Many major global risks are widely spread in a population, rather than restricted to a minority. Population-based strategies that seek to shift the whole distribution of risk factors often have the potential to produce substantial reductions in dis
24. Outcome of Involuntary Mental Health Assessment in a Psychiatric Department in Greece.
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Papadopoulou V, Arvaniti A, Kalamara E, Georgaca E, Stylianidis S, Peppou LE, and Samakouri M
- Abstract
Despite their controversiality, involuntary admissions in psychiatric departments remain a central issue in mental health care. The present study aims to identify demographic and clinical factors possibly associated with emergency involuntary psychiatric assessment and its outcome in Greece. This study was carried out in the psychiatric department of the University General Hospital of Alexandroupolis (UGHA) from 1 March 2018 to 28 February 2019. The sample included 191 individuals who had been psychiatrically assessed without their consent following a prosecutorial order. The majority of the involuntary assessments resulted in hospitalization (71%), with 51% of them resulting in involuntary hospitalization. Almost all patients diagnosed with "F20-29 schizophrenia, schizotypal and delusional disorders" were subsequently admitted to the psychiatric department of the UGHA (77 of 81, 66 of them involuntarily). Higher admission rates were recorded among those who had been referred from the Prosecutor's Office of regions that are located far from the psychiatric department of UGHA (Fisher's exact test, p -value = 0.045). In multivariate logistic regression, prior contact with psychiatric services and having an "F20-29 schizophrenia, schizotypal and delusional disorders" diagnosis was statistically significant with admission to the hospital as an outcome variable. Our study suggests an increased risk of involuntary admission among patients with psychosis, patients who had visited a psychiatric service prior to their assessment as well as those living further away from the main psychiatric services of the hospital. Better organization of community psychiatric services in remote places from hospital central services may lead to fewer prosecutorial referrals and coercive measures.
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- 2023
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25. Persistent Sleep Quality Deterioration among Post-COVID-19 Patients: Results from a 6-Month Follow-Up Study.
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Kalamara E, Pataka A, Boutou A, Panagiotidou E, Georgopoulou A, Ballas E, Chloros D, Metallidis S, Kioumis I, and Pitsiou G
- Abstract
Background: To date, evidence about sleep disturbances among post-COVID-19 patients is limited. This study aimed to evaluate sleep quality after hospitalization due to SARS-CoV-2 infection. Methods: In-person follow-up was conducted in patients with prior hospitalization due to COVID-19 1(Τ1), 3(Τ2), and 6 (Τ3) months after hospital discharge. Patients were asked to complete questionnaires concerning sleep quality: the Pittsburgh Sleep Quality Index (PSQI), the Epworth Sleepiness Scale (ESS), the Athens Insomnia Scale (AIS), the Fatigue Severity Scale (FSS), and the Stop-BANG (S-B) questionnaire. Results: In total, 133 patients were enrolled (mean age: 56.0 ± 11.48 years, 59.4% males). The most frequently reported comorbidity was arterial hypertension (29.8% of patients), while 37.4% of patients had no comorbidities. The majority of participants exhibited poor sleep quality (global PSQI ≥ 5) at T1 (84.3%), T2 (75.7%), and T3 (77.4%). Insomnia was observed in 56.5%, 53.5%, and 39.2% of participants, respectively (AIS ≥ 6). An FSS score ≥ 4 was observed in 51.2%, 33.7%, and 29.1% of participants at T1, T2, T3, respectively. Elapsed time was found to be negatively and independently associated with the global PSQI, PSQI C5-Sleep disturbance, PSQI C7-Daytime dysfunctions, FSS, and AIS after adjustment for possible confounders. No significant difference was found between groups with good and poor sleep quality (based on the global PSQI) with respect to gender (p = 0.110), age (p = 0.528), BMI (p = 0.816), smoking status (p = 0.489), hypertension (p = 0.427), severity of disease (p = 0.224), the Charlson Comorbidity Index (p = 0.827), or the length of hospital stay (p = 0.162). Participants with excessive daytime sleepiness (EDS) and patients with severe fatigue (FSS ≥ 4) were significantly younger. Females presented a higher rate of insomnia symptoms (55.7% vs. 44.3%, p < 0.001). Conclusions: Several sleep disturbances were observed after hospital discharge for COVID-19 pneumonia at certain time points; However, the improvement over time was remarkable in most domains of the assessed questionnaires.
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- 2022
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26. Using latent profile analysis to understand burnout in a sample of Greek teachers.
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Kalamara E and Richardson C
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- Greece epidemiology, Humans, Job Satisfaction, School Teachers, Schools, Burnout, Professional epidemiology
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Objectives: The purpose of this study was to identify burnout profiles in Greek secondary school teachers using latent profile analysis., Methods: Burnout was measured using the Maslach Burnout Inventory (MBI) in a sample of 460 teachers., Results: In partial agreement with the literature, latent profile analysis revealed four profiles: Burnout (high on all three dimensions of the MBI), Engagement (low on all three), Overextended (high on exhaustion only) and Ineffective (high on inefficacy only). The most common profile among the teachers in this sample was overextended (50%). Teachers in each profile behaved differently with regard to job satisfaction and attitudes towards school-related sources of problems. In particular, Burnt-out teachers were more negative than the Engaged ones in almost all variables assessed, except educational policy, while differences between the two intermediate profiles were less marked. Engaged teachers showed the highest levels of job satisfaction, followed by Overextended and Ineffective, with Burnt-out teachers showing the lowest levels., Conclusions: The derived profiles and their different attitudes showed the significance of all three dimensions of burnout syndrome. In practical terms, interventions appropriately targeted to each profile can be designed and implemented to prevent or reduce burnout., (© 2021. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.)
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- 2022
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27. Univariable associations between a history of incarceration and HIV and HCV prevalence among people who inject drugs across 17 countries in Europe 2006 to 2020 - is the precautionary principle applicable?
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Wiessing L, Kalamara E, Stone J, Altan P, Van Baelen L, Fotiou A, Garcia D, Goulao J, Guarita B, Hope V, Jauffret-Roustide M, Jurgelaitienė L, Kåberg M, Kamarulzaman A, Lemsalu L, Kivite-Urtane A, Kolarić B, Montanari L, Rosińska M, Sava L, Horváth I, Seyler T, Sypsa V, Tarján A, Yiasemi I, Zimmermann R, Ferri M, Dolan K, Uusküla A, and Vickerman P
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- Europe epidemiology, Humans, Prevalence, Drug Users, HIV Infections epidemiology, Hepatitis C epidemiology, Substance Abuse, Intravenous epidemiology
- Abstract
BackgroundPeople who inject drugs (PWID) are frequently incarcerated, which is associated with multiple negative health outcomes.AimWe aimed to estimate the associations between a history of incarceration and prevalence of HIV and HCV infection among PWID in Europe.MethodsAggregate data from PWID recruited in drug services (excluding prison services) or elsewhere in the community were reported by 17 of 30 countries (16 per virus) collaborating in a European drug monitoring system (2006-2020; n = 52,368 HIV+/-; n = 47,268 HCV+/-). Country-specific odds ratios (OR) and prevalence ratios (PR) were calculated from country totals of HIV and HCV antibody status and self-reported life-time incarceration history, and pooled using meta-analyses. Country-specific and overall population attributable risk (PAR) were estimated using pooled PR.ResultsUnivariable HIV OR ranged between 0.73 and 6.37 (median: 2.1; pooled OR: 1.92; 95% CI: 1.52-2.42). Pooled PR was 1.66 (95% CI 1.38-1.98), giving a PAR of 25.8% (95% CI 16.7-34.0). Univariable anti-HCV OR ranged between 1.06 and 5.04 (median: 2.70; pooled OR: 2.51; 95% CI: 2.17-2.91). Pooled PR was 1.42 (95% CI: 1.28-1.58) and PAR 16.7% (95% CI: 11.8-21.7). Subgroup analyses showed differences in the OR for HCV by geographical region, with lower estimates in southern Europe.ConclusionIn univariable analysis, a history of incarceration was associated with positive HIV and HCV serostatus among PWID in Europe. Applying the precautionary principle would suggest finding alternatives to incarceration of PWID and strengthening health and social services in prison and after release ('throughcare').
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- 2021
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28. Validating Dissociative Experience Scale (DES) in a Greek sample.
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Tzikos A, Arvaniti A, Kalamara E, Vorvolakos T, Kafalis G, Samakouri M, and Livaditis M
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- Diagnostic and Statistical Manual of Mental Disorders, Humans, Psychiatric Status Rating Scales, Psychometrics, Reproducibility of Results, Dissociative Disorders diagnosis
- Abstract
This study aimed to validate the Greek version of the Dissociative Experience Scale (DES). A sample of 340 psychiatric outpatients and controls was selected. Part of the sample went through a retest procedure after a two-week period. Due to the absence of equivalent tests, the Multiscale Dissociation Inventory (MDI), the Structured Clinical Interview for DSM-IV-Dissociative Disorders Revised (SCID-D-R), and the Zung Self-Rating Anxiety Scale were used. Explanatory factor analysis was performed, resulting in a 28-item scale; the analysis revealed four factors, explaining 61% of total variation: Depersonalization, Amnesia, Absorption, and Miscellaneous. Cronbach's alpha coefficient for the DES was 0.95. Intraclass correlation coefficient (ICC) of the total score between the first and second interview was 0.84. Concurrent and convergent validity, as assessed by correlations with clinical assessment used as a "gold standard," (0.77), MDI (0.96), and Zung scale (0.75) were satisfactory to excellent. The total score on the DES was significantly higher in the clinical sample than in the controls (17.8 ± 16.2 vs. 5.8 ± 7.2, p < .001), indicating high discriminant validity. After the ROC analysis was run, the best compromise between sensitivity/specificity was achieved at the value of 20. The Greek version of the DES is a reliable and valid tool suitable to assess dissociation in clinical and healthy populations.
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- 2021
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29. Sleep quality and associated factors in the context of COVID-19, among prehospital emergency personnel, in North-Eastern Greece.
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Arvaniti A, Steiropoulos P, Panousis C, Kalamara E, Samakouri M, Constantinidis T, and Nena E
- Abstract
Background: The stressful conditions that emerged during the Coronavirus disease 2019 (COVID-19) pandemic have had a negative impact on sleep quality in large part of the healthcare worker population. This study aimed to assess the self-reported quality of sleep among members of the Emergency Ambulance Service personnel of the National Emergency Center in the region of Thrace, Northeastern Greece, and to investigate its associations with perceived stress, feelings, and perceptions of well-being during the COVID-19 pandemic., Methods: The study was conducted from March to May 2021 using an online structured questionnaire, and the collected data included: socio-demographic characteristics, occupational and medical history, distress and mental health issues due to COVID-19 and the following self-administrated instruments: Pittsburgh Sleep Quality Index (PSQI), WHO-5 Well-Being Index (WHO-5), and Perceived Stress Scale-14 items (PSS-14)., Results: Among the 74 participants, 71 % were poor sleepers (i.e., PSQI >5). The majority (83 % of the sample) reported feelings of stigma due to their occupation, with the proportion being higher among women (100 % vs 78 % in men, p =0.05) and poor sleepers (95 % vs 65 % in good sleepers, p =0.03). Poor sleepers had significantly lower WHO-5 scores than good sleepers (13.8 ± 4.9 vs 16.9 ± 5.8, p =0.04) and were experiencing significantly more anxiety and/or sadness at the time they answered the questionnaire (69.1 % vs 35.3 %, p =0.02). Perceived stress was significantly positively correlated with the "Latency" dimension of the PSQI (p =0.03)., Conclusions: Poor sleep quality and feelings of stigmatization were prevalent for most of the sample. Poor sleep quality was associated more frequently with reported feelings of stigmatization, anxiety and/or sadness, and impaired well-being. HIPPOKRATIA 2021, 25 (3):126-133., (Copyright 2021, Hippokratio General Hospital of Thessaloniki.)
- Published
- 2021
30. Diagnosis and management of combined post- and precapillary pulmonary hypertension in a patient with multiple comorbidities.
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Panagiotidou E, Boutou A, Kalamara E, Sourla E, Chatzopoulos E, Stanopoulos I, and Pitsiou G
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- Chronic Disease epidemiology, Comorbidity, Humans, Hypertension, Pulmonary epidemiology, Prognosis, Pulmonary Fibrosis, Hypertension, Pulmonary diagnosis, Hypertension, Pulmonary therapy, Severity of Illness Index
- Abstract
Diagnosis of pulmonary hypertension requires a laborious investigation that must be performed in accordance with international guidelines. Right-heart catheterization is the gold standard examination to assess the degree of hemodynamic impairment of post- or precapillary origin, guiding management. The presence of comorbidities is becoming rather frequent in real-life pulmonary hypertension cases, thus creating diagnostic and therapeutic complexity. We present a case of combined post- and precapillary pulmonary hypertension in a patient with ischemic heart disease and combined pulmonary fibrosis and emphysema, in order to describe the diagnostic algorithm for pulmonary hypertension and elucidate the problematic aspects of managing this debilitating disease in a patient with several comorbidities. Current guidelines do not support the use of specific vasodilator treatment in group II - due to heart disease and group III-due to lung disease pulmonary hypertension, unless the patient presents with severe pulmonary hypertension (mean pulmonary artery pressure > 35 mm Hg or cardiac index < 2.0 L/min) with right ventricular dysfunction and is treated in an expert center and preferably in the context of a randomized control trial. In the case presented, therapeutic management focused, firstly, on treatment of the underlying heart and lung disease and, subsequently, on specific vasoactive therapy, due to severe hemodynamic deterioration.
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- 2021
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31. Pott disease: when lumbar pain is not innocent.
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Kalamara E, Ballas E, and Petrova G
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- Adult, Antitubercular Agents therapeutic use, Humans, Male, Spondylitis diet therapy, Tuberculosis, Spinal drug therapy, Spondylitis complications, Spondylitis diagnosis, Tuberculosis, Spinal complications, Tuberculosis, Spinal diagnosis
- Abstract
Tuberculosis is a mycobacterial infection that can affect the lungs as well as other organs. The involvement of the spine, although rare, can have major consequences if not diagnosed and treated in a timely and effective manner, such as residual deformities and neurological deficits. On occasion, the atypical presentation of tuberculous spondylitis may cause a delay in treatment and therefore lead to less favorable outcomes. In this article, we present a rare case of progressed tuberculous infection involving the respiratory and musculoskeletal system in a 36-year-old patient whose main complaints were non-specific and mild, and started only two weeks before his diagnosis, despite the advanced disease.
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- 2020
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32. The use of multi-national web surveys for comparative analysis: Lessons from the European Web Survey on Drugs.
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Matias J, Kalamara E, Mathis F, Skarupova K, Noor A, and Singleton N
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- Adolescent, Adult, Europe epidemiology, Female, Humans, Internet, Male, Middle Aged, Young Adult, Drug Users statistics & numerical data, Illicit Drugs, Public Policy, Substance-Related Disorders epidemiology, Surveys and Questionnaires standards
- Abstract
Background: Most comparative drug policy analyses utilise measures of drug use, often from general population surveys (GPS). However, the limitations of GPS are well-recognised, including the small numbers of people who use illicit drugs sampled. Web surveys offer a potential solution to such issues. Therefore EMCDDA conducted a study to assess the potential for using such surveys to supplement information obtained from GPS., Methods: The European Web Survey on Drugs (EWSD) asked about use of cannabis, amphetamines, cocaine and MDMA in 14 countries from 2016 to 2018. Each participant country translated the questionnaire as necessary and devised its own sampling strategy. Individuals aged 18+, resident in the participant country, who had used one or more of the drugs covered by the survey in the past 12 months were included in the analysis. Participation was anonymous and voluntary., Results: More than 40,000 people completed the survey, with recruitment mostly through social media. Larger samples of users of all drug types than found in GPS were generally obtained. However, the respondent profiles differed markedly between countries, e.g. the proportion aged 18-24 ranged from 30% to 80%. The results relating to use showed both inter-country similarities and differences, e.g. mean daily amounts of cocaine used varied between countries but increases in amounts used with increased frequency of use were similar. Price data showed good external validity., Conclusion: Web surveys offer the possibility of collecting information from large numbers people who use illicit drugs quickly and cheaply and can fill important gaps in our knowledge of patterns of use, particularly by recreational users. However, they also have limitations. Standardising questionnaires and approaches to data cleaning and analysis facilitates comparisons between countries but obtaining comparable samples may be challenging. Multinational surveys need to balance standardisation of methods with responsiveness to differing country contexts; our collaborative model does this., (Copyright © 2019 Elsevier B.V. All rights reserved.)
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- 2019
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33. Monitoring quality and coverage of harm reduction services for people who use drugs: a consensus study.
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Wiessing L, Ferri M, Běláčková V, Carrieri P, Friedman SR, Folch C, Dolan K, Galvin B, Vickerman P, Lazarus JV, Mravčík V, Kretzschmar M, Sypsa V, Sarasa-Renedo A, Uusküla A, Paraskevis D, Mendão L, Rossi D, van Gelder N, Mitcheson L, Paoli L, Gomez CD, Milhet M, Dascalu N, Knight J, Hay G, Kalamara E, Simon R, Comiskey C, Rossi C, and Griffiths P
- Subjects
- Consensus, Humans, Harm Reduction, Quality of Health Care, Substance-Related Disorders therapy
- Abstract
Background and Aims: Despite advances in our knowledge of effective services for people who use drugs over the last decades globally, coverage remains poor in most countries, while quality is often unknown. This paper aims to discuss the historical development of successful epidemiological indicators and to present a framework for extending them with additional indicators of coverage and quality of harm reduction services, for monitoring and evaluation at international, national or subnational levels. The ultimate aim is to improve these services in order to reduce health and social problems among people who use drugs, such as human immunodeficiency virus (HIV) and hepatitis C virus (HCV) infection, crime and legal problems, overdose (death) and other morbidity and mortality., Methods and Results: The framework was developed collaboratively using consensus methods involving nominal group meetings, review of existing quality standards, repeated email commenting rounds and qualitative analysis of opinions/experiences from a broad range of professionals/experts, including members of civil society and organisations representing people who use drugs. Twelve priority candidate indicators are proposed for opioid agonist therapy (OAT), needle and syringe programmes (NSP) and generic cross-cutting aspects of harm reduction (and potentially other drug) services. Under the specific OAT indicators, priority indicators included 'coverage', 'waiting list time', 'dosage' and 'availability in prisons'. For the specific NSP indicators, the priority indicators included 'coverage', 'number of needles/syringes distributed/collected', 'provision of other drug use paraphernalia' and 'availability in prisons'. Among the generic or cross-cutting indicators the priority indicators were 'infectious diseases counselling and care', 'take away naloxone', 'information on safe use/sex' and 'condoms'. We discuss conditions for the successful development of the suggested indicators and constraints (e.g. funding, ideology). We propose conducting a pilot study to test the feasibility and applicability of the proposed indicators before their scaling up and routine implementation, to evaluate their effectiveness in comparing service coverage and quality across countries., Conclusions: The establishment of an improved set of validated and internationally agreed upon best practice indicators for monitoring harm reduction service will provide a structural basis for public health and epidemiological studies and support evidence and human rights-based health policies, services and interventions.
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- 2017
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34. The role of procalcitonin and IL-6 in discriminating between septic and non-septic causes of ALI/ARDS: a prospective observational study.
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Tsantes A, Tsangaris I, Kopterides P, Kapsimali V, Antonakos G, Zerva A, Kalamara E, Bonovas S, Tsaknis G, Vrigou E, Maniatis N, Dima K, and Armaganidis A
- Subjects
- Adult, Aged, Bronchoalveolar Lavage Fluid chemistry, Calcitonin Gene-Related Peptide, Early Diagnosis, Female, Humans, Male, Middle Aged, Multivariate Analysis, Prognosis, Prospective Studies, Respiratory Distress Syndrome blood, Respiratory Distress Syndrome complications, Respiratory Distress Syndrome pathology, Sensitivity and Specificity, Sepsis blood, Sepsis complications, Sepsis pathology, Calcitonin blood, Interleukin-6 blood, Protein Precursors blood, Respiratory Distress Syndrome diagnosis, Sepsis diagnosis
- Abstract
Background: The aim was to evaluate the clinical usefulness of a single plasma and bronchoalveolar lavage fluid (BALF) PCT and IL-6 measurement in discriminating septic from non-septic causes of acute respiratory distress syndrome (ARDS) and forecasting clinical outcomes., Methods: One hundred patients were enrolled within 48 h of ALI/ARDS recognition. Demographic, clinical data, severity indices were recorded and PCT and IL-6 concentrations were measured in plasma and BALF., Results: Plasma PCT and IL-6 values were significantly higher in septic compared to non-septic individuals (p=0.001 and 0.0005, respectively), while there were no differences in their respective BALF values. As far as identification of septic vs. non-septic ARDS is concerned, the comparison of the areas under the curves favored PCT vs. IL-6 [0.88, (95% CI 0.81-0.95) vs. 0.71, (95% CI 0.60-0.81); χ(2)=9.04, p=0.003]. A plasma PCT level of 0.815 ng/mL was associated with 74.1% sensitivity and 97.6% specificity in identifying septic ARDS cases; this corresponded to a diagnostic odds ratio value of 116. Linear regression multivariable analysis disclosed a significant relation of plasma PCT with SOFA score in septic ARDS patients (p<0.001), while neither BALF PCT nor IL-6 levels were associated with clinical outcome., Conclusions: Early plasma - but not BALF - PCT concentrations can discriminate between septic and non-septic ARDS causes and are associated with the severity of multiple organ dysfunction syndrome in septic ARDS patients. However, neither plasma or BALF IL-6 levels nor BALF PCT levels carry any prognostic potential. A single plasma PCT value higher than 0.815 ng/mL makes a non-septic cause of ARDS highly unlikely.
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- 2013
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35. Evaluation of the role of the new INNOVANCE PFA P2Y test cartridge in detection of clopidogrel resistance.
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Tsantes A, Ikonomidis I, Papadakis I, Kottaridi C, Tsante A, Kalamara E, Kardoulaki A, Kopterides P, Kapsimali V, Karakitsos P, Lekakis J, and Travlou A
- Subjects
- Acute Coronary Syndrome diagnosis, Acute Coronary Syndrome drug therapy, Aged, Aspirin therapeutic use, Blood Platelets drug effects, Case-Control Studies, Cell Adhesion Molecules analysis, Cell Adhesion Molecules metabolism, Clopidogrel, Drug Resistance, Drug Therapy, Combination, Female, Humans, Longitudinal Studies, Male, Microfilament Proteins analysis, Microfilament Proteins metabolism, Middle Aged, Phosphoproteins analysis, Phosphoproteins metabolism, Phosphorylation, Platelet Aggregation drug effects, Platelet Aggregation Inhibitors therapeutic use, Thrombosis diagnosis, Thrombosis prevention & control, Ticlopidine therapeutic use, Acute Coronary Syndrome pathology, Blood Platelets pathology, Platelet Function Tests instrumentation, Platelet Function Tests methods, Thrombosis pathology, Ticlopidine analogs & derivatives
- Abstract
Light transmittance aggregometry (LTA) has been extensively used in monitoring clopidogrel therapy. However, the availability of simple and rapid point-of-care platelet function assays is of great clinical importance. Thus, the manufacturer of the Platelet Function Analyzer (PFA)-100 System has recently produced the INNOVANCE PFA P2Y test cartridge. We assessed the ability of this new test to reliably detect clopidogrel resistance. We enrolled 90 consecutive patients with coronary artery disease receiving chronic clopidogrel maintenance therapy in combination with aspirin. Twenty healthy volunteers served as controls. Clopidogrel resistance was simultaneously analysed by the INNOVANCE PFA P2Y test cartridge, ADP-induced LTA, the flow-cytometric vasodilator-stimulated phosphoprotein (VASP)-phosphorylation assay and the multiple electrode aggregometry (Multiplate). Agreement among the four platelet function methods by two was assessed using Cohen's kappa coefficient. According to the cut-off points for clopidogrel resistance proposed by the literature, agreement was fair between INNOVANCE PFA-100 P2Y and LTA (74.4%) and Multiplate (75.6%), while poor agreement was noticed in VASP assay (63.3%). Based on cut-off points indicating a higher thrombotic risk, agreement between the PFA-100 System and the other three methods did not significantly differ compared to the previous cut-offs (72.2%, 71.1% and 55.1%, respectively). The INNOVANCE PFA-100 P2Y test seems to be comparable to other established platelet function assays in detecting clopidogrel resistance. However, the modest agreement among platelet function methods makes the performance of platelet function testing crucial with more than one technique in order to reliably identify poor responders to clopidogrel treatment.
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- 2012
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36. Angiotensin converting enzyme (ACE) insertion/deletion (I/D) polymorphism and circulating ACE levels are not associated with outcome in critically ill septic patients.
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Tsantes A, Tsangaris I, Kopterides P, Nikolopoulos G, Kalamara E, Antonakos G, Kapsimali V, Gialeraki A, Dimopoulou I, Orfanos S, Dima K, Travlou A, and Armaganidis A
- Subjects
- Critical Illness, Female, Humans, Leukemia, Myeloid, Acute complications, Male, Middle Aged, Sepsis complications, Gene Deletion, Peptidyl-Dipeptidase A blood, Peptidyl-Dipeptidase A genetics, Polymorphism, Genetic, Sepsis blood, Sepsis genetics
- Abstract
Background: In critically ill patients independent studies have shown contradictory findings regarding the prognostic significance of the D/D genotype of the I/D angiotensin converting enzyme (ACE) polymorphism. The study aim was to evaluate the effect of both ACE I/D polymorphism and ACE serum levels on the clinical outcomes of critically ill septic patients., Methods: This study recruited 186 Caucasian patients with sepsis, severe sepsis or septic shock. Epidemiological, clinical data, co-morbidities and severity scores were recorded. Measurements of serum ACE activity and genotyping for ACE I/D polymorphism were carried out. Primary outcomes were the 28- and the 90-day mortality; secondary outcomes included the number of days without renal or cardiovascular failure and ventilation-free days over the 28-day period following study enrolment., Results: Neither 28- nor 90-day mortality were associated with ACE I/D polymorphism (p=0.59 and 0.34, respectively) or circulating ACE levels (p=0.17 and 0.25, respectively). Similarly, ACE polymorphism and levels were not related to ventilation-free days (p=0.14 and 0.25, respectively), days without cardiovascular failure (p=0.14 and 0.81, respectively) and days without renal failure (p=0.64 and 0.27, respectively)., Conclusions: Neither ACE I/D polymorphism nor serum ACE levels seem to be significant prognostic factors of clinical outcomes in septic, critically ill patients.
- Published
- 2011
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37. The role of the Platelet Function Analyzer (PFA)-100 and platelet aggregometry in the differentiation of essential thrombocythemia from reactive thrombocytosis.
- Author
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Tsantes AE, Dimoula A, Bonovas S, Mantzios G, Tsirigotis P, Zoi K, Kalamara E, Kardoulaki A, Sitaras N, Travlou A, Dervenoulas J, and Vaiopoulos G
- Subjects
- Adenosine Diphosphate pharmacology, Adult, Aged, Blood Platelets drug effects, Collagen pharmacology, Diagnosis, Differential, Epinephrine pharmacology, Female, Humans, Male, Middle Aged, Platelet Aggregation drug effects, Platelet Count instrumentation, Platelet Function Tests instrumentation, Predictive Value of Tests, Sensitivity and Specificity, Platelet Aggregation physiology, Thrombocythemia, Essential diagnosis, Thrombocytosis diagnosis
- Abstract
Introduction: The most crucial component of all diagnostic criteria for essential thrombocythemia (ET) has been the exclusion of reactive thrombocytosis (RT). Our aim was to evaluate the diagnostic performance of the PFA-100 collagen-epinephrine (CEPI) cartridge test and epinephrine-induced aggregometry individually, but mainly combined, in the differentiation of ET from RT., Materials and Methods: 26 patients with ET and 25 with RT were studied. Platelet function was analyzed by the PFA-100 and by light transmission aggregometry with epinephrine and ADP. The JAK2 mutational status was identified and hematological parameters, plasma von Willebrand factor antigen and activity levels were also assessed., Results: The sensitivity (Se), specificity (Sp), positive predictive value (PPV), and the negative predictive value (NPV) of PFA-100 CEPI vs epinephrine-induced aggregometry in the differentiation of ET from RT were estimated as follows: Se (%): 78.9 vs 84.6, Sp (%): 92.0 vs 96.0, PPV (%): 88.2 vs 95.7, NPV (%): 85.2 vs 85.7, respectively. When both of these methods were combined, a lower sensitivity of 68.4%, but a specificity of 100% was attained. The PPV observed with this double abnormal combination was 100% and the NPV 80.6%. Lastly, when we assessed the abnormality for either CEPI CT or epinephrine-induced aggregometry, the sensitivity was 100%, the specificity 88.0%, PPV 86.4% and NPV 100%. Thus, an abnormal combination was strongly suggestive of ET, while normal results with both methods excluded ET., Conclusions: If our results are replicated by further studies, these two methods could be used very effectively as adjunct markers in the differentiation between ET and RT., (Copyright 2009 Elsevier Ltd. All rights reserved.)
- Published
- 2010
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38. Current measles outbreak in Greece.
- Author
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Georgakopoulou T, Grylli C, Kalamara E, Katerelos P, Spala G, and Panagiotopoulos T
- Subjects
- Adolescent, Adult, Child, Child, Preschool, Communicable Diseases, Emerging epidemiology, Female, Greece epidemiology, Humans, Incidence, Infant, Infant, Newborn, Male, Risk Factors, Disease Outbreaks statistics & numerical data, Measles epidemiology, Population Surveillance, Risk Assessment methods
- Published
- 2006
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39. The worldwide obesity epidemic.
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James PT, Leach R, Kalamara E, and Shayeghi M
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- Adolescent, Adult, Body Constitution, Body Mass Index, Child, Child, Preschool, Female, Humans, Infant, Male, Middle Aged, Obesity classification, Obesity complications, World Health Organization, Obesity epidemiology
- Abstract
The recent World Health Organization (WHO) agreement on the standardized classification of overweight and obese, based on body mass index (BMI), allows a comparable analysis of prevalence rates worldwide for the first time. In Asia, however, there is a demand for a more limited range for normal BMIs (i.e., 18.5 to 22.9 kg/m(2) rather than 18.5 to 24.9 kg/m(2)) because of the high prevalence of comorbidities, particularly diabetes and hypertension. In children, the International Obesity Task-Force age-, sex-, and BMI-specific cutoff points are increasingly being used. We are currently evaluating BMI data globally as part of a new millennium analysis of the Global Burden of Disease. WHO is analyzing data in terms of 20 or more principal risk factors contributing to the primary causes of disability and lost lives in the 191 countries within the WHO. The prevalence rates for overweight and obese people are different in each region, with the Middle East, Central and Eastern Europe, and North America having higher prevalence rates. In most countries, women show a greater BMI distribution with higher obesity rates than do men. Obesity is usually now associated with poverty, even in developing countries. Relatively new data suggest that abdominal obesity in adults, with its associated enhanced morbidity, occurs particularly in those who had lower birth weights and early childhood stunting. Waist measurements in nationally representative studies are scarce but will now be needed to estimate the full impact of the worldwide obesity epidemic.
- Published
- 2001
- Full Text
- View/download PDF
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