37 results on '"Lutsey, Pamela L."'
Search Results
2. Personal Health Literacy and Life Simple 7: The Multi-Ethnic Study of Atherosclerosis.
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Adam, Hamdi S., Merkin, Sharon Stein, Anderson, Madison D., Seeman, Teresa, Kershaw, Kiarri N., Magnani, Jared W., Everson-Rose, Susan A., and Lutsey, Pamela L.
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ATHEROSCLEROSIS risk factors ,ATHEROSCLEROSIS prevention ,HEALTH education ,CARDIOVASCULAR diseases risk factors ,EVALUATION of medical care ,CONFIDENCE intervals ,REGRESSION analysis ,HEALTH status indicators ,ATHEROSCLEROSIS ,HEALTH literacy ,HEALTH ,INFORMATION resources ,DESCRIPTIVE statistics ,RESEARCH funding ,DATA analysis software ,HEALTH promotion ,POISSON distribution - Abstract
Personal Health literacy (PHL) is essential in cardiovascular risk management. Hindrances in PHL can lead to poor cardiovascular outcomes. To investigate whether limited PHL is associated with lower likelihoods of i) overall cardiovascular health and ii) individual cardiovascular health components as defined by the American Heart Association's Life Simple (LS7). Multi-Ethnic Study of Atherosclerosis participants (N = 3719; median age[range]: 59[45–84]) completed a PHL questionnaire in 2016–2018. PHL was classified as limited (score ≥10) or adequate (score <10). LS7 components were measured in 2000–2002. Robust Poisson regression was employed to compute prevalence ratios and 95% confidence intervals (PR[95%CI]) of LS7 measures. 14.7% of participants had limited PHL. Limited PHL was associated with lower likelihoods of optimal LS7 (0.69[0.50, 0.95], p =.02) and average LS7 (0.95[0.88, 1.02], p =.15) after adjustment. Limited PHL was significantly associated with a 7% lower likelihood of ideal fasting blood glucose level after adjustment (0.93[0.89, 0.98], p <.01). Limited PHL was modestly associated with suboptimal cardiovascular health and elevated blood glucose, independent of income and education. Health educators and providers should equitably address PHL barriers to improve cardiovascular management and quality of care for patients and communities. [ABSTRACT FROM AUTHOR]
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- 2023
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3. Association of Lung Function With Cognitive Decline and Incident Dementia in the Atherosclerosis Risk in Communities Study.
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Shrestha, Srishti, Zhu, Xiaoqian, London, Stephanie J, Sullivan, Kevin J, Lutsey, Pamela L, Windham, B Gwen, Griswold, Michael E, and Jr, Thomas H Mosley
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LUNG physiology ,COGNITION disorders diagnosis ,ATHEROSCLEROSIS risk factors ,DIAGNOSIS of dementia ,DEMENTIA prevention ,CONFIDENCE intervals ,COMMUNITIES ,RISK assessment ,VITAL capacity (Respiration) ,DESCRIPTIVE statistics ,RESEARCH funding ,PROPORTIONAL hazards models ,ENVIRONMENTAL exposure - Abstract
We examined the associations between lung function and incident dementia and cognitive decline in 12,688 participants in the ARIC Study who provided lung function measurements in 1990–1992. Cognitive tests were administered up to 7 times, and dementia was ascertained through 2019. We used shared parameter models to jointly fit proportional hazard models and linear mixed-effect models to estimate lung-function–associated dementia rate and cognitive change, respectively. Higher forced expiratory volume in 1 second (FEV
1 ) and forced vital capacity (FVC) were associated with reduced dementia (n = 2,452 persons developed dementia); hazard ratios per 1-L increase in FEV1 and FVC were 0.79 (95% confidence interval (CI): 0.71, 0.89) and 0.81 (95% CI: 0.74, 0.89), respectively. Each 1-L increase in FEV1 and FVC was associated with a 0.08–standard deviation (SD) (95% CI: 0.05, 0.12) and a 0.05-SD (95% CI: 0.02, 0.07) attenuation of 30-year cognitive decline, respectively. A 1% increase in FEV1 /FVC ratio was associated with 0.008-SD (95% CI: 0.004, 0.012) less cognitive decline. We observed statistical interaction between FEV1 and FVC, suggesting that cognitive declines depended on values of specific FEV1 and FVC (as compared with FEV1 , FVC, or FEV1 /FVC ratio models that suggested linear incremental associations). Our findings may have important implications for reducing the burden of cognitive decline that is attributable to environmental exposures and associated lung function impairment. [ABSTRACT FROM AUTHOR]- Published
- 2023
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4. Association of abnormal p‐wave parameters with brain MRI morphology: The atherosclerosis risk in communities neurocognitive study (ARIC‐NCS)*.
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Reyes, Jorge L., Norby, Faye L., Ji, Yuekai, Wang, Wendy, Parikh, Romil, Zhang, Michael J., Oldenburg, Niki C., Lutsey, Pamela L., Jack, Clifford R., Johansen, Michelle, Gottesman, Rebecca F., Coresh, Josef, Mosley, Thomas, Soliman, Elsayed Z., Alonso, Alvaro, and Chen, Lin Yee
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ATHEROSCLEROSIS risk factors ,BRAIN anatomy ,RESEARCH ,MUSCLE diseases ,CEREBRAL hemorrhage ,CONFIDENCE intervals ,MULTIPLE regression analysis ,CROSS-sectional method ,MAGNETIC resonance imaging ,COMMUNITIES ,LACUNAR stroke ,RISK assessment ,ELECTROCARDIOGRAPHY ,RESEARCH funding ,BRAIN injuries ,ODDS ratio - Abstract
Background: Recent evidence indicates that abnormal P‐wave parameters (PWPs)—ECG markers of atrial myopathy—are associated with incident dementia, independent of atrial fibrillation (AF) and clinical ischemic stroke. However, the mechanisms remain unclear and may include subclinical vascular brain injury. Hence, we evaluated the association of abnormal PWPs with brain MRI correlates of vascular brain injury in the Atherosclerosis Risk in Communities Neurocognitive Study (ARIC‐NCS). Methods: ARIC‐NCS participants who underwent 3T brain MRI scans in 2011–2013 were included. PWPs were measured from standard 12‐lead ECGs. Brain MRI outcomes included cortical infarcts, lacunar infarcts, cerebral microhemorrhages, brain volumes, and white matter disease (WMD) volume. We used weighted multivariable logistic and linear regression to evaluate the associations of abnormal PWPs with brain MRI outcomes. Results: Among 1715 participants (mean age, 76.1 years; 61% women; 29% Black), 797 (46%) had ≥1 abnormal PWP. After multivariable adjustment, including adjusting for prevalent AF, abnormal P‐wave terminal force in lead V1 (aPTFV1) and prolonged P‐wave duration (PPWD) were associated with increased odds of both cortical (OR 1.41; 95% CI, 1.14 to 1.74 and OR 1.30; 95% CI, 1.04 to 1.63, respectively) and lacunar infarcts (OR 1.36; 95% CI, 1.15 to 1.63 and OR 1.37; 95% CI, 1.15 to 1.65, respectively). Advanced interatrial block (aIAB) was associated with higher odds of subcortical microhemorrhage (OR 2.04; 95% CI, 1.36 to 3.06). Other than a significant association between aPTFV1 with lower parietal lobe volume, there were no other significant associations with brain or WMD volume. Conclusion: In this exploratory analysis of a US community‐based cohort, ECG surrogates of atrial myopathy are associated with a higher prevalence of brain infarcts and microhemorrhage, suggesting subclinical vascular brain injury as a possible mechanism underlying the association of atrial myopathy with dementia. [ABSTRACT FROM AUTHOR]
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- 2023
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5. Targeted Genome Sequencing Identifies Multiple Rare Variants in Caveolin-1 Associated with Obstructive Sleep Apnea.
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Jingjing Liang, Heming Wang, Cade, Brian E., Kurniansyah, Nuzulul, He, Karen Y., Jiwon Lee, Sands, Scott A., Brody, Jennifer A., Han Chen, Gottlieb, Daniel J., Evans, Daniel S., Xiuqing Guo, Gharib, Sina A., Hale, Lauren, Hillman, David R., Lutsey, Pamela L., Mukherjee, Sutapa, Ochs-Balcom, Heather M., Palmer, Lyle J., and Purcell, Shaun
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SLEEP apnea syndromes ,CAVEOLINS ,NUCLEOTIDE sequencing ,GENE expression ,EARLY death ,GENETIC code ,CD14 antigen ,SEQUENCE analysis ,CENTER for Epidemiologic Studies Depression Scale ,RESEARCH funding ,CHRONIC fatigue syndrome ,CARRIER proteins - Abstract
Rationale: Obstructive sleep apnea (OSA) is a common disorder associated with increased risk for cardiovascular disease, diabetes, and premature mortality. There is strong clinical and epidemiologic evidence supporting the importance of genetic factors influencing OSA but limited data implicating specific genes. Objectives: To search for rare variants contributing to OSA severity. Methods: Leveraging high-depth genomic sequencing data from the NHLBI Trans-Omics for Precision Medicine (TOPMed) program and imputed genotype data from multiple population-based studies, we performed linkage analysis in the CFS (Cleveland Family Study), followed by multistage gene-based association analyses in independent cohorts for apnea-hypopnea index (AHI) in a total of 7,708 individuals of European ancestry. Measurements and Main Results: Linkage analysis in the CFS identified a suggestive linkage peak on chromosome 7q31 (LOD = 2.31). Gene-based analysis identified 21 noncoding rare variants in CAV1 (Caveolin-1) associated with lower AHI after accounting for multiple comparisons (P = 7.4 × 10-8). These noncoding variants together significantly contributed to the linkage evidence (P < 10-3). Follow-up analysis revealed significant associations between these variants and increased CAV1 expression, and increased CAV1 expression in peripheral monocytes was associated with lower AHI (P = 0.024) and higher minimum overnight oxygen saturation (P = 0.007). Conclusions: Rare variants in CAV1, a membrane-scaffolding protein essential in multiple cellular and metabolic functions, are associated with higher CAV1 gene expression and lower OSA severity, suggesting a novel target for modulating OSA severity. [ABSTRACT FROM AUTHOR]
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- 2022
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6. Association of Right Ventricular Afterload With Atrial Fibrillation Risk in Older Adults: The Atherosclerosis Risk in Communities Study.
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Parikh, Romil R., Norby, Faye L., Wang, Wendy, Thenappan, Thenappan, Prins, Kurt W., Van't Hof, Jeremy R., Lutsey, Pamela L., Solomon, Scott D., Shah, Amil M., and Chen, Lin Yee
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OLDER people ,ATRIAL fibrillation ,FREEDOM of association ,COMMUNITIES ,SYSTOLIC blood pressure ,HEART valve diseases ,ANTIHYPERTENSIVE agents ,VENTRICULAR remodeling ,ATHEROSCLEROSIS ,CYCLOPHOSPHAMIDE ,RESEARCH funding ,LONGITUDINAL method ,DISEASE complications - Abstract
Background: Atrial fibrillation (AF) is widely perceived to originate from the left atrium (LA). Whether increases in right ventricular (RV) afterload in older adults play an etiological role in AF genesis independent of LA and left ventricular (LV) remodeling is unknown.Research Question: Is higher RV afterload associated with greater AF risk independent of LA and LV remodeling?Study Design and Methods: In this observational prospective study, we included 2,246 community-dwelling older adults (mean age, 75 years) without known cardiovascular disease, with LV ejection fraction > 50%, LA volume index < 34 mL/m2, and E/e' ratio < 14 and a measurable functional tricuspid regurgitation jet velocity. From 2D-echocardiograms, we estimated pulmonary artery systolic pressure (PASP) and pulmonary vascular resistance (PVR). We ascertained incident AF (through 2018) from hospital discharge codes and death certificates. We estimated hazard ratios (HR) by Cox regression.Results: During follow-up (median, 6.3 years; interquartile interval, 5.5-6.9 years), 215 participants developed AF. AF risk was significantly higher in the third (vs first) tertile of PASP (HR, 1.65; 95% CI, 1.08-2.54) and PVR (HR, 1.38; 95% CI, 1.00-2.08) independent of LA and LV structure and function, heart rate, BMI, prevalent sleep apnea, systemic BP, antihypertensive medications, and lung, kidney, and thyroid function. These associations persisted after further exclusion of participants with tricuspid regurgitation jet velocity > 2.8 m/s and lateral and septal mitral annular velocity above age- and sex-specific reference limits.Interpretation: In older adults, higher RV afterload is associated with greater AF risk independent of LA and LV remodeling. Future research should focus on confirming this novel association and elucidate underlying mechanisms. [ABSTRACT FROM AUTHOR]- Published
- 2022
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7. Clinically Recognized Varicose Veins and Physical Function in Older Individuals: The ARIC Study.
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Mok, Yejin, Ishigami, Junichi, Sang, Yingying, Kucharska-Newton, Anna M, Salameh, Maya, Schrack, Jennifer A, Palta, Priya, Coresh, Josef, Windham, B Gwen, Lutsey, Pamela L, Folsom, Aaron R, and Matsushita, Kunihiro
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CROSS-sectional method ,DISEASE incidence ,VARICOSE veins ,RESEARCH funding ,PROPORTIONAL hazards models - Abstract
Background: Although a few studies reported an association between varicose veins and physical function, this potentially bidirectional association has not been systematically evaluated in the general population.Method: In 5 580 participants (aged 71-90 years) from the Atherosclerosis Risk in Communities study, varicose veins were identified in outpatient and inpatient administrative data prior to (prevalent cases) and after (incident cases) visit 5 (2011-2013). Physical function was evaluated by the Short Physical Performance Battery (SPPB, score ranging from 0 to 12). We evaluated (i) cross-sectional association between prevalent varicose veins and physical function, (ii) association of prevalent varicose veins with subsequent changes in physical function from visit 5 to visits 6 (2016-2017) and 7 (2018-2019), and (iii) association of physical function at visit 5 with incident varicose veins during a median follow-up of 3.6 years (105 incident varicose veins among 5 350 participants without prevalent cases at baseline).Results: At baseline, varicose veins were recognized in 230 (4.1%) participants and cross-sectionally associated with reduced physical function. Longitudinally, prevalent varicose veins were not significantly associated with a decline in SPPB over time. In contrast, a low SPPB ≤6 was associated with a greater incidence of varicose veins compared to SPPB ≥10 (adjusted hazard ratio 2.13 [95% confidence interval = 1.19, 3.81]).Conclusion: In community-dwelling older adults, varicose veins and low physical function were associated cross-sectionally. Longitudinally, low physical function was a risk factor for incident varicose veins, but not vice versa. Our findings suggest an etiological contribution of low physical function to incident varicose veins. [ABSTRACT FROM AUTHOR]- Published
- 2022
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8. Carotid Intima-Media Thickness and Amyloid-β Deposition: The ARIC-PET Study.
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Wang, Wendy, Gottesman, Rebecca F., Meyer, Michelle L., Hughes, Timothy M., Sullivan, Kevin J., Wong, Dean F., Lakshminarayan, Kamakshi, and Lutsey, Pamela L.
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CAROTID intima-media thickness ,POSITRON emission tomography ,APOLIPOPROTEIN E ,CAROTID artery ,CAROTID artery diseases ,APOLIPOPROTEINS ,RESEARCH funding ,PEPTIDES ,EMISSION-computed tomography - Abstract
We assessed whether carotid intima-media thickness (cIMT) is prospectively associated with amyloid-β (Aβ). 332 nondemented Atherosclerosis Risk in Communities Study participants with carotid ultrasounds (1990-1992) and PET scans (2012-2014) were studied. Participants in the highest (versus lowest) cIMT tertile had 2.17 times the odds of elevated Aβ (95% CI: 1.15-4.11), after demographic and APOE ɛ4 adjustments. An interaction with APOE ɛ4 was observed (p = 0.02). Greater cIMT was associated with elevated Aβ independent of vascular risk factors among those with ≥1 APOE ɛ4 allele, but not in noncarriers. In this cohort, higher cIMT was associated with Aβ deposition 22 years later, particularly among APOE ɛ4 carriers. [ABSTRACT FROM AUTHOR]
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- 2022
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9. Education and Cardiovascular Health as Effect Modifiers of APOE ε4 on Dementia: The Atherosclerosis Risk in Communities Study.
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Lee, Mark, Hughes, Timothy M, George, Kristen M, Griswold, Michael E, Sedaghat, Sanaz, Simino, Jeannette, and Lutsey, Pamela L
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ATHEROSCLEROSIS ,DEMENTIA ,APOLIPOPROTEINS ,GENOTYPES ,RESEARCH funding ,LONGITUDINAL method - Abstract
Background: Both education and cardiovascular risk factors are strongly associated with dementia risk. However, it is not clear whether these associations persist or vary among individuals with high genetic risk for Alzheimer's disease. We examined the interactive relationship between lifestyle and genetic dementia risk factors in a prospective cohort study.Methods: Our data came from the Atherosclerosis Risk in Communities study participants (n = 13 715; baseline age 45-64; 25% Black; 55% female), who were followed for incident dementia from 1987 through 2017. We used Cox proportional hazard models to estimate the risk of dementia (ascertained through in-person examination, telephone cognitive screeners, and/or hospital and death records) associated with baseline education and cardiovascular risk factors (measured using the American Heart Association's "Life Simple 7") among ε4 carriers and non-carriers separately. We also examined differences by race and sex.Results: Two thousand two hundred and twenty-six incident dementia cases occurred over a median 25 years of follow-up. Lower educational attainment and poorer cardiovascular health were associated with greater risk of incident dementia. There was an education by apolipoprotein E (APOE) status interaction (p = .005) whereby the association of education and dementia was weaker for ε4 carriers (HR college graduates vs less than high school: 0.71 [0.59-0.84] than non-carriers (0.54 [0.47-0.63]). There was no interaction between APOE status and cardiovascular health on dementia risk. These relationships did not vary significantly by race or sex.Conclusions: Education and cardiovascular health were associated with lower dementia risk regardless of APOE genotype, though the protective effects of education were somewhat diminished among ε4 carriers. [ABSTRACT FROM AUTHOR]- Published
- 2022
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10. Association of household income and adverse outcomes in patients with atrial fibrillation.
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LaRosa, Anna Rose, Claxton, J'Neka, O'Neal, Wesley T., Lutsey, Pamela L., Chen, Lin Y., Bengtson, Lindsay, Chamberlain, Alanna M., Alonso, Alvaro, and Magnani, Jared W.
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ATRIAL fibrillation ,INCOME ,MEDICARE ,CARDIOVASCULAR diseases ,CORONARY disease ,RESEARCH ,RESEARCH methodology ,DISEASE incidence ,RETROSPECTIVE studies ,MEDICAL cooperation ,EVALUATION research ,SOCIOECONOMIC factors ,COMPARATIVE studies ,RESEARCH funding ,LONGITUDINAL method - Abstract
Background: Social determinants of health are relevant to cardiovascular outcomes but have had limited examination in atrial fibrillation (AF).Objectives: The purpose of this study was to examine the association of annual household income and cardiovascular outcomes in individuals with AF.Methods: We analysed administrative claims for individuals with AF from 2009 to 2015 captured by a health claims database. We categorised estimates of annual household income as <$40 000; $40-$59 999; $60-$74 999; $75-$99 999; and ≥$100 000. Covariates included demographics, education, cardiovascular disease risk factors, comorbid conditions and anticoagulation. We examined event rates by income category and in multivariable-adjusted models in reference to the highest income category (≥$100 000).Results: Our analysis included 336 736 individuals (age 72.7±11.9 years; 44.5% women; 82.6% white, 8.4% black, 7.0% Hispanic and 2.1% Asian) with AF followed for median (25th and 75th percentile) of 1.5 (95% CI 0.6 to 3.0) years. We observed an inverse association between income and heart failure and myocardial infarction (MI) with evidence of progressive risk across decreased income categories. Individuals with household income <$40 000 had the greatest risk for heart failure (HR 1.17; 95% CI 1.05 to 1.30) and MI (HR 1.18; 95% CI 0.98 to 1.41) compared with those with income ≥$100 000.Conclusions: We identified an association between lower household income and adverse outcomes in a large cohort of individuals with AF. Our findings support consideration of income in the evaluation of cardiovascular risk in individuals with AF. [ABSTRACT FROM AUTHOR]- Published
- 2020
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11. Adherence to the World Cancer Research Fund/American Institute for Cancer Research cancer prevention guidelines and colorectal cancer incidence among African Americans and whites: The Atherosclerosis Risk in Communities study.
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Onyeaghala, Guillaume, Lintelmann, Anna K., Joshu, Corrine E., Lutsey, Pamela L., Folsom, Aaron R., Robien, Kimberly, Platz, Elizabeth A., and Prizment, Anna E.
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CANCER prevention ,COLORECTAL cancer ,AFRICAN Americans ,AFRICAN American men ,RESEARCH institutes ,DIABETES in women ,ATHEROSCLEROSIS ,RESEARCH funding - Abstract
Background: Adherence to the World Cancer Research Fund (WCRF)/American Institute for Cancer Research (AICR) cancer prevention recommendations is associated with colorectal cancer (CRC) risk in whites, but only 1 previous study has reported on this link in African Americans. This study assessed the association between the 2018 WCRF/AICR guidelines and CRC incidence in African Americans (26.5%) and whites (73.5%) in the Atherosclerosis Risk in Communities prospective cohort (n = 13,822).Methods: A total of 368 incident CRC cases (268 among whites and 100 among African Americans) were identified between the baseline (1987) and 2012. A baseline adherence score was created for 7 WCRF/AICR guidelines (each contributing 0, 0.5, or 1 point to the score, with higher scores corresponding to greater adherence). Adherence scores were also categorized as tertiles (0.0-3.0, 3.5-4.0, and 4.5-7.0). Cox proportional hazards regression was used to calculate hazard ratios (HRs) and 95% confidence intervals (CIs) for the total cohort and with stratification by race.Results: After adjustments for age, sex, race, center, smoking, education, intake of aspirin, calcium, total calories, diabetes status, and, in women, hormone replacement therapy, greater adherence was associated with decreased CRC risk. The HRs per 1-unit increment in score were 0.88 (95% CI, 0.80-0.97) for the whole cohort, 0.89 (95% CI, 0.73-1.09) for African Americans, and 0.88 (95% CI, 0.77-0.99) for whites. Similar associations between higher adherence scores and decreased cancer risk were observed for men and women and for colon cancer but not for rectal cancer.Conclusions: Greater adherence to the cancer prevention recommendations appears to be associated with decreased CRC risk for both African Americans and whites. [ABSTRACT FROM AUTHOR]- Published
- 2020
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12. Endodontic therapy and incident cardiovascular disease: The Atherosclerosis Risk in Communities (ARIC) study.
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Cowan, Logan T., Lakshminarayan, Kamakshi, Lutsey, Pamela L., Beck, James, Offenbacher, Steven, and Pankow, James S.
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CARDIOVASCULAR diseases ,HEART diseases ,CORONARY disease ,DENTAL care utilization ,ATHEROSCLEROSIS ,FERRANS & Powers Quality of Life Index ,DISEASE incidence ,RESEARCH funding ,LONGITUDINAL method - Abstract
Objectives: Previous studies on a potential association between endodontic infection (EI) and cardiovascular disease (CVD) produced mixed results. Endodontic treatment (ET) may also be linked to cardiovascular risk, as a marker for prior chronic dental infection and subclinical EI in other teeth. We tested the hypothesis that ET is associated with elevated risk of coronary heart disease (CHD), ischemic stroke (IS), heart failure (HF), or venous thromboembolism (VTE).Methods: ARIC participants who completed the dental ancillary study exam 4 (1996-1998; n = 6,638) were included in the analyses. Participants were followed through 2013 for CHD, stroke, and HF and 2011 for VTE. Cox-proportional hazards regression models were used to estimate hazard ratios (HR) and 95% confidence intervals (CI) for CHD, IS, HF, and VTE across ET classifications adjusting for age, sex, race/center, education, income, smoking, alcohol consumption, BMI, statin use, family history of CHD, physical activity, diet quality, insurance status, last dental visit, dental visit frequency, having a current dentist, and tooth loss due to gum disease.Results: Among participants, 21.0% reported a single ET, while 28.5% reported multiple ETs. Over a median of 15.8 years of follow-up, there were 506 incident CHD events, 311 IS events, 739 HF events, and 219 VTE events. There were no significant associations between self-reported history of ET and any of our outcomes (HR (95%CI): CHD = 1.16 (0.87,1.44), IS = 0.77 (0.55,1.09), HF = 1.00 (0.81,1.24), VTE = 0.98 (0.67,1.43)) after adjustment.Conclusions: Our results do not support an independent association between ET and development of CHD, IS, HF, or VTE. [ABSTRACT FROM AUTHOR]- Published
- 2020
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13. No Association Found Between Midlife Seropositivity for Infection and Subsequent Cognitive Decline: The Atherosclerosis Risk in Communities Neurocognitive Study (ARIC-NCS).
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George, Kristen M., Folsom, Aaron R., Norby, Faye L., and Lutsey, Pamela L.
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HUMAN herpesvirus 1 ,GENERALIZED estimating equations ,ATHEROSCLEROSIS complications ,RESEARCH funding ,LONGITUDINAL method - Abstract
Infections of herpes simplex virus type 1 (HSV-1), cytomegalovirus (CMV), Helicobacter pylori, and Chlamydia pneumoniae may play a role in cognitive decline via systemic inflammation. We hypothesized that Atherosclerosis Risk in Communities study participants who were seropositive in midlife for antibodies to HSV-1, CMV, H pylori, or C pneumoniae would have an accelerated rate of cognitive decline over 20 years. Atherosclerosis Risk in Communities performed a case-cohort study involving a stratified random sample of participants tested for serum immunoglobulin G antibodies to the pathogens of interest. We conducted a longitudinal study using this cohort. Cognitive change was measured using Z scores from the Delayed Word Recall (DWR), Digit Symbol Substitution (DSS), and Word Fluency (WF) Tests administered at visits 2 (1990-1992), 4 (1996-1998), and 5 (2011-2013). Linear regression models with generalized estimating equations and inverse probability of attrition weights were used to evaluate associations between infection and cognitive performance. Four hundred twenty-six participants were analyzed, of which 3% were seronegative for all 4 infections, 14% seropositive for one, 33% and 34% seropositive for 2 and 3, respectively, and 16% seropositive for all infections. At baseline, test scores were significantly lower for participants seropositive for H pylori and C pneumoniae. After baseline covariate adjustment, the rate of decline in DWR, DSS, WF, and global Z scores did not differ significantly by infection status for any of the 4 infections. There was also no significant association between the number of infections for which participants were seropositive and cognitive decline. Our study provides no evidence supporting a longitudinal relationship between seropositivity and cognitive decline. [ABSTRACT FROM AUTHOR]
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- 2020
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14. Association between greater leg length and increased incidence of colorectal cancer: the atherosclerosis risk in communities (ARIC) study.
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Onyeaghala, Guillaume, Lutsey, Pamela L., Demerath, Ellen W., Folsom, Aaron R., Joshu, Corinne E., Platz, Elizabeth A., and Prizment, Anna E.
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COLORECTAL cancer ,LEG ,PRECOCIOUS puberty ,ATHEROSCLEROSIS ,RECTAL cancer ,LEG length inequality ,COMMUNITIES ,COLON tumors ,LONGITUDINAL method ,RECTUM tumors ,RESEARCH funding ,STATURE ,DISEASE incidence - Abstract
Purpose: Previous studies have reported that taller people have an increased risk of colorectal cancer (CRC). We examined the association of two height components-leg length and sitting height-with CRC risk in 14,532 individuals aged 45-64 years in the Atherosclerosis Risk in Communities study.Methods: Anthropometrics were measured at baseline (1987-1989). Incident CRC cases (n = 382) were ascertained from 1987 to 2012. Cox proportional hazards regression was used to estimate multivariable-adjusted hazard ratios for CRC and colon cancer across quintiles of sex-specific leg length and sitting height.Results: The highest (versus the lowest) quintile of leg length was associated with a 36% greater CRC risk (p-trend = 0.04), and 51% greater colon cancer risk (p-trend = 0.01). For the top four quintiles combined, risk was increased by 34% for CRC and by 45% for colon cancer versus the lowest quintile. Total height and sitting height were not significantly associated with CRC or colon cancer risk. A small number of cases (n = 57) limited our ability to conduct subgroup analyses for rectal cancer.Conclusions: A positive association of leg length with CRC and colon cancer risk suggests that biological mechanisms leading to greater leg length during puberty may explain the association between taller height and CRC. [ABSTRACT FROM AUTHOR]- Published
- 2019
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15. Trends in Daily Use of Biotin Supplements Among US Adults, 1999-2016.
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Li, Danni, Rooney, Mary R., Burmeister, Lynn A., Basta, Nicole E., and Lutsey, Pamela L.
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BIOTIN ,PHARMACOEPIDEMIOLOGY ,DIETARY supplements ,HEALTH & Nutrition Examination Survey ,MEDICATION safety ,CROSS-sectional method ,TIME ,SELF-evaluation ,NONPRESCRIPTION drugs ,VITAMIN B complex ,SEX distribution ,SURVEYS ,RESEARCH funding - Abstract
This pharmacoepidemiology study uses NHANES data to characterize the prevalence and trends in use of high-dosage biotin supplementation among US adults between 1999 and 2016. [ABSTRACT FROM AUTHOR]
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- 2020
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16. Serum 25-Hydroxyvitamin D Concentrations Are Associated with Computed Tomography Markers of Subclinical Interstitial Lung Disease among Community-Dwelling Adults in the Multi-Ethnic Study of Atherosclerosis (MESA).
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Kim, Samuel M, Zhao, Di, Podolanczuk, Anna J, Lutsey, Pamela L, Guallar, Eliseo, Kawut, Steven M, Barr, R Graham, Boer, Ian H de, Kestenbaum, Bryan R, Lederer, David J, Michos, Erin D, and de Boer, Ian H
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ATHEROSCLEROSIS ,LUNG diseases ,VITAMIN D deficiency ,COMPUTED tomography ,ARTERIOSCLEROSIS ,COMPARATIVE studies ,ETHNIC groups ,INTERSTITIAL lung diseases ,LONGITUDINAL method ,RESEARCH methodology ,MEDICAL cooperation ,RESEARCH ,RESEARCH funding ,VITAMIN D ,EVALUATION research - Abstract
Background: Activated vitamin D has anti-inflammatory properties. 25-Hydroxyvitamin D [25(OH)D] deficiency might contribute to subclinical interstitial lung disease (ILD).Objective: We examined associations between serum 25(OH)D concentrations and subclinical ILD among middle-aged to older adults who were free of cardiovascular disease at baseline.Methods: We studied 6302 Multi-Ethnic Study of Atherosclerosis (MESA) participants who had baseline serum 25(OH)D concentrations and computed tomography (CT) imaging spanning ≤ 10 y. Baseline cardiac CT scans (2000-2002) included partial lung fields. Some participants had follow-up cardiac CT scans at exams 2-5 and a full-lung CT scan at exam 5 (2010-2012), with a mean ± SD of 2.1 ± 1.0 scans. Subclinical ILD was defined quantitatively as high-attenuation areas (HAAs) between -600 and -250 Hounsfield units. We assessed associations of 25(OH)D with adjusted HAA volumes and HAA progression. We also examined associations between baseline 25(OH)D and the presence of interstitial lung abnormalities (ILAs) assessed qualitatively (yes or no) from full-lung CT scans at exam 5. Models were adjusted for sociodemographic characteristics, lifestyle factors (including smoking), and lung volumes.Results: The cohort's mean ± SD characteristics were 62.2 ± 10 y for age, 25.8 ± 10.9 ng/mL for 25(OH)D concentrations, and 28.3 ± 5.4 for body mass index (kg/m2); 53% were women, with 39% white, 27% black, 22% Hispanic, and 12% Chinese race/ethnicities. Thirty-three percent had replete (≥30 ng/mL), 35% intermediate (20 to <30 ng/mL), and 32% deficient (<20 ng/mL) 25(OH)D concentrations. Compared with those with replete concentrations, participants with 25(OH)D deficiency had greater adjusted HAA volume at baseline (2.7 cm3; 95% CI: 0.9, 4.5 cm3) and increased progression over a median of 4.3 y of follow-up (2.7 cm3; 95% CI: 0.9, 4.4 cm3) (P < 0.05). 25(OH)D deficiency was also associated with increased prevalence of ILAs 10 y later (OR: 1.5; 95% CI: 1.1, 2.2).Conclusions: Vitamin D deficiency is independently associated with subclinical ILD and its progression, based on both increased HAAs and ILAs, in a community-based population. Further studies are needed to examine whether vitamin D repletion can prevent ILD or slow its progression. The MESA cohort design is registered at www.clinicaltrials.gov as NCT00005487. [ABSTRACT FROM AUTHOR]- Published
- 2018
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17. Subclinical Cardiovascular Disease and Changes in Self-Reported Mobility: Multi-Ethnic Study of Atherosclerosis.
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Everson-Rose, Susan A., Mendes de Leon, Carlos F., Roetker, Nicholas S., Lutsey, Pamela L., and Alonso, Alvaro
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CARDIOVASCULAR diseases ,CORONARY arteries ,ATHEROSCLEROSIS ,EPIDEMIOLOGY ,DISEASE risk factors ,ATHEROSCLEROSIS complications ,CARDIOVASCULAR disease diagnosis ,RESEARCH funding ,WALKING ,ACTIVITIES of daily living ,ANKLE brachial index ,CALCINOSIS ,CAROTID intima-media thickness ,DISEASE complications - Abstract
Background: We examined associations of three markers of subclinical cardiovascular disease (intimal-medial thickening, coronary artery calcification , and ankle-brachial index) with changes in self-reported walking over time.Methods: Data were from 6,490 Multi-Ethnic Study of Atherosclerosis participants (aged 45-84 years), free of clinical cardiovascular disease at baseline. Outcomes, assessed four times over 11 years, included self-reported walking pace (none to striding pace; score, 0-4) and total walking time (minutes/week). Linear generalized estimating equation models estimated associations of baseline intimal-medial thickening (z-scored), coronary artery calcification (Agatston units), and ankle-brachial index (ratio of ankle-to-arm systolic blood pressure) with walking pace and walking time modeled continuously in separate analyses.Results: Median follow-up was 9.2 years (maximum, 11.4). Walking pace (estimate, -0.042 points [95% CI; -0.048, -0.036], p < 0.0001) and walking time (estimate, -4.71 minutes [95% CI: -8.54, -0.88], p = 0.016) decreased yearly. Greater baseline intimal-medial thickening related to faster decline in walking pace in multivariable analyses: walking pace score decreased 0.004 points (95% CI: -0.008, -0.001) more per year for each 1-SD higher intimal-medial thickening z-score, equivalent to an additional 10% slower yearly walking. Greater coronary artery calcification was associated with slower walking but inconsistently related to decline in walking pace. Higher ankle-brachial index was associated with faster baseline walking pace (estimate, 0.043 points [95% CI: 0.027, 0.059] per 1-SD) but unrelated to changes in walking pace. Cardiovascular disease measures were unrelated to total walking time.Conclusions: Greater subclinical cardiovascular disease is associated with prevalent slower self-reported walking pace in middle-aged and older adults but has limited impact on changes in walking over time. [ABSTRACT FROM AUTHOR]- Published
- 2018
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18. Dietary intake and peripheral arterial disease incidence in middle-aged adults: the Atherosclerosis Risk in Communities (ARIC) Study.
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Ogilvie, Rachel P., Lutsey, Pamela L., Heiss, Gerardo, Folsom, Aaron R., and Steffen, Lyn M.
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ANTHROPOMETRY ,CLINICAL trials ,COFFEE ,CONFIDENCE intervals ,DIET ,ALCOHOL drinking ,EPIDEMIOLOGICAL research ,FACTOR analysis ,HEALTH behavior ,LONGITUDINAL method ,MEAT ,MEDICAL cooperation ,NOSOLOGY ,NUTRITIONAL assessment ,PERIPHERAL vascular diseases ,PROBABILITY theory ,QUESTIONNAIRES ,RESEARCH ,RESEARCH funding ,LIFESTYLES ,PROPORTIONAL hazards models ,ANKLE brachial index ,DESCRIPTIVE statistics ,ODDS ratio ,WESTERN diet ,MIDDLE age - Abstract
Background: Peripheral arterial disease (PAD) is a costly source of morbidity and mortality among older persons in the United States. Dietary intake plays a role in the development of atherosclerotic cardiovascular disease; however, few studies have examined the relation of food intake or dietary patterns with PAD. Objective: We examined the relation between habitual dietary intake at midlife and incident PAD over ~20 y of follow-up. Design: Among 14,082 participants enrolled in the ARIC (Atherosclerosis Risk in Communities) Study initially free of PAD, dietary intake was assessed at baseline in 1987-1989 by using a modified Harvard food-frequency questionnaire. Food groups were created, and principal components analysis was used to develop "healthy" and "Western" dietary patterns; both were categorized into quintiles or quartiles. Incident PAD was determined by an ankle-brachial index <0.9 assessed at 2 subsequent examinations and hospital discharge codes through 2012. Multivariate-adjusted Cox proportional hazards regression was used. Results: During a mean follow-up of 19.9 y, 1569 participants developed incident PAD. In models adjusted for demographic characteristics, behaviors, and food groups, the HRs (95% CIs) for incident PAD increased across quintiles of meat consumption [quintile 1: reference, quintile 2: 1.38 (1.16, 1.65), quintile 3: 1.38 (1.16, 1.65), quintile 4: 1.45 (1.20, 1.74), quintile 5: 1.66 (1.36, 2.03); P-trend <0.001]. Compared with those who drank no alcohol, those who had 1-6 drinks/wk had a lower risk of incident PAD [0.78 (0.68, 0.89)]. For coffee, ≥4 cups/d compared with none was inversely associated with incident PAD [quintile 5 compared with quintile 1: 0.84 (0.75, 1.00); P-trend = 0.014]. There was no association between other food groups or patterns and incident PAD. Conclusions: In this prospective cohort study, greater meat consumption was associated with a higher risk, and moderate alcohol consumption was associated with a lower risk of incident PAD. Whether these associations are causal remains to be seen. This trial was registered at clinicaltrials.gov as NCT00005131. [ABSTRACT FROM AUTHOR]
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- 2017
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19. Serum calcium and incident type 2 diabetes: the Atherosclerosis Risk in Communities (ARIC) study.
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Rooney, Mary R., Pankow, James S., Sibley, Shalamar D., Selvin, Elizabeth, Reis, Jared P., Michos, Erin D., and Lutsey, Pamela L.
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CALCIUM in the body ,TYPE 2 diabetes risk factors ,BLOOD serum analysis ,CALCIUM-sensing receptors ,SINGLE nucleotide polymorphisms ,DIABETES risk factors ,ATHEROSCLEROSIS risk factors ,BLOOD sugar ,CALCIUM ,CREATININE ,GENETIC polymorphisms ,LONGITUDINAL method ,MEDICAL cooperation ,TYPE 2 diabetes ,PROBABILITY theory ,QUESTIONNAIRES ,REGRESSION analysis ,RESEARCH ,RESEARCH funding ,STATISTICS ,DATA analysis ,BODY mass index ,DISEASE incidence ,PROPORTIONAL hazards models ,PHYSICAL activity ,DATA analysis software ,GENOTYPES - Abstract
Background: Elevated serum calcium has been associated with a variety of metabolic abnormalities and may be associated with a greater risk of diabetes. Objective: The purpose of this study was to test the hypothesis that serum calcium concentration is positively and independently associated with the incidence of diabetes and to evaluate the association of calcium-sensing receptor (CaSR) gene single nucleotide polymorphism (SNP) rs1801725 with incident diabetes. Design: Atherosclerosis Risk in Communities study participants free of diabetes at baseline (n = 12,800; mean age: 53.9 y; 22.6% black) were studied for incident diabetes. Serum calcium was measured at baseline and corrected for serum albumin. Diabetes was defined by use of glucose concentrations, self-report, or medication use. Cox proportional hazards regression was used. Results: During a mean 8.8 y of follow-up, 1516 cases of diabetes were reported. Participants in the highest compared with lowest calcium quintile were at greater risk of incident diabetes after adjustment for demographic and lifestyle factors [HR (95% CI): 1.34 (1.14, 1.57); P-trend across quintiles <0.0001] and with further adjustment for waist circumference and body mass index [1.26 (1.07, 1.48); P-trend = 0.004]. Additional adjustment for biomarkers on the metabolic pathway (e.g., 25-hydroxyvitamin D, parathyroid hormone, phosphorus) had little impact. The calcium-diabetes association was statistically significant in blacks [1.48 (1.11, 1.98); P-trend = 0.002] but not whites [1.17 (0.96, 1.43); P-trend = 0.17] after adjustment for adiposity. In whites, CaSR gene SNP rs1801725 was associated with serum calcium but not with risk of diabetes. Conclusions: Consistent with 3 previous cohort studies, elevated serum calcium was found to be associated with a greater risk of type 2 diabetes. Further research is needed to understand the role, if any, that calcium plays in the pathogenesis of diabetes. [ABSTRACT FROM AUTHOR]
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- 2016
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20. Serum 25-hydroxyvitamin D and the incidence of atrial fibrillation: the Atherosclerosis Risk in Communities (ARIC) study.
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Alonso, Alvaro, Misialek, Jeffrey R., Michos, ErinD., Eckfeldt, John, Selvin, Elizabeth, Soliman, Elsayed Z., Chen, Lin Y., Gross, Myron D., Lutsey, Pamela L., and Michos, Erin D
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ATRIAL fibrillation ,COMPARATIVE studies ,MASS spectrometry ,RESEARCH methodology ,MEDICAL cooperation ,META-analysis ,MULTIVARIATE analysis ,RESEARCH ,RESEARCH funding ,VITAMIN D ,EVALUATION research ,DISEASE incidence ,PROPORTIONAL hazards models - Abstract
Aims: To assess the prospective association between circulating 25-hydroxyvitamin D [25(OH)D] and atrial fibrillation (AF) risk.Methods and Results: We studied 12 303 participants from the Atherosclerosis Risk in Communities study without baseline AF (1990-92). Baseline serum total 25(OH)D was measured using mass spectrometry. Incident AF cases were identified from electrocardiograms, hospital discharge codes, and death certificates through 2012. We estimated hazard ratios (HRs) and 95% confidence intervals (95% CIs) of AF across clinical categories of serum 25(OH)D concentrations with multivariable Cox models, and tested interactions by age, race, and sex. We meta-analysed our results with those from published prospective studies that reported associations between 25(OH)D and AF risk. During a median follow-up of 21 years, we identified 1866 AF events. In multivariable models, deficient 25(OH)D status (<20 ng/mL), compared with optimal levels (≥30 ng/mL), was not associated with AF risk (HR, 95% CI: 1.10, 0.96-1.26). A significant interaction of 25(OH)D concentrations with age (P = 0.01), but not with race or sex (P > 0.40), was identified, with higher risk of AF among those with deficient 25(OH)D status in younger (HR, 95% CI: 1.35, 1.05-1.73) but not older individuals (HR, 95% CI: 1.02, 0.86-1.21). A meta-analysis of these results and four prospective studies did not support a clinically relevant association of circulating 25(OH)D with AF risk [pooled HR, 95%CI: 1.04, 1.00-1.08, per 1 SD lower 25(OH)D].Conclusion: Low serum 25(OH)D was not associated with incident AF in a community-based cohort and in a meta-analysis of prospective studies. A possible association in younger individuals warrants further investigation. [ABSTRACT FROM AUTHOR]- Published
- 2016
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21. Serum 25-hydroxyvitamin D concentrations in Mid-adulthood and Parkinson's disease risk.
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Shrestha, Srishti, Lutsey, Pamela L., Alonso, Alvaro, Huang, Xuemei, Mosley, Thomas H., Chen, Honglei, and Mosley, Thomas H Jr
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PATIENT aftercare , *PARKINSON'S disease , *RESEARCH funding , *VITAMIN D , *RELATIVE medical risk - Abstract
Background: Low vitamin D levels are common among patients with Parkinson's disease (PD). Experimental evidence further suggests that vitamin D may be protective against PD. The objective of this study was to prospectively assess the association between serum 25-hydroxyvitamin D and PD among 12,762 participants of the Atherosclerosis Risk in Communities Study cohort.Methods: Serum samples were collected in 1990-1992, and 25-hydroxyvitamin D was measured by liquid chromatography mass spectrometry. A total of 67 incident PD cases were identified through December 31, 2008. The median length of follow-up was 17 years. We used Cox proportional hazards models to obtain hazard ratios and 95% confidence intervals, adjusting for age, sex, and race. We did not find any association between serum 25-hydroxyvitamin D concentrations and PD risk, regardless of how serum 25-hydroxyvitamin D was modeled. Compared with participants with serum 25-hydroxyvitamin D < 20 ng/mL, the hazards ratio for PD was 1.05 (95% confidence interval, 0.58-1.90) for 20-30 ng/mL and 1.14 (95% confidence interval, 0.59- 2.23) for ≥30 ng/mL. Similar results were obtained in sensitivity analyses that included white participants only and that were stratified by the length of follow-up.Conclusion: This prospective study lends no support to the hypothesis that vitamin D may reduce the risk of PD. © 2016 International Parkinson and Movement Disorder Society. [ABSTRACT FROM AUTHOR]- Published
- 2016
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22. Risk of Cardiovascular Disease from Cumulative Cigarette Use and the Impact of Smoking Intensity.
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Lubin, Jay H., Couper, David, Lutsey, Pamela L., Woodward, Mark, Hiroshi Yatsuya, Huxley, Rachel R., and Yatsuya, Hiroshi
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CARDIOVASCULAR diseases ,LONGITUDINAL method ,POISSON distribution ,REGRESSION analysis ,RESEARCH funding ,SMOKING ,SMOKING cessation ,TIME ,TOBACCO products ,RELATIVE medical risk - Abstract
Background: Relative risks (RRs) for cardiovascular disease (CVD) by smoking rate exhibit a concave pattern, with RRs in low rate smokers exceeding a linear extrapolation from higher rate smokers. However, cigarettes/day does not by itself fully characterize smoking-related risks. A reexamination of the concave pattern using a comprehensive representation of smoking may enhance insights.Methods: Data were from the Atherosclerosis Risk in Communities (ARIC) Study, a prospective cohort enrolled in four areas of the US in 1987-1989. Follow-up was through 2008. Analyses included 14,233 participants, 245,915 person-years, and 3,411 CVD events.Results: The concave RRs with cigarettes/day were consistent with cigarettes/day modifying a linear RR association of pack-years with CVD (i.e., strength of the pack-years association depended on cigarettes/day, indicating that the manner of pack-years accrual impacted risk). Smoking fewer cigarettes/day for longer duration was more deleterious than smoking more cigarettes/day for shorter duration (P < 0.01). For 50 pack-years (365,000 cigarettes), estimated RRs of CVD were 2.1 for accrual at 20 cigarettes/day and 1.6 for accrual at 50 cigarettes/day. Years since smoking cessation did not alter the diminishing strength of association with increasing cigarettes/day. Analyses that accounted for competing risks did not affect findings.Conclusion: Pack-years remained the primary determinant of smoking-related CVD risk; however, accrual influenced RRs. For equal pack-years, smoking fewer cigarettes/day for longer duration was more deleterious than smoking more cigarettes/day for shorter duration. This observation provides clues to better understanding the biological mechanisms, and reinforces the importance of cessation rather than smoking less to reduce CVD risk. [ABSTRACT FROM AUTHOR]- Published
- 2016
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23. Perceived Discrimination and Incident Cardiovascular Events The Multi-Ethnic Study of Atherosclerosis.
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Everson-Rose, Susan A., Lutsey, Pamela L., Roetker, Nicholas S., Lewis, Tené T., Kershaw, Kiarri N., Alonso, Alvaro, and Roux, Ana V. Diez
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ATHEROSCLEROSIS , *CARDIOVASCULAR diseases risk factors , *CONFIDENCE intervals , *DISCRIMINATION (Sociology) , *ETHNIC groups , *PSYCHOLOGICAL tests , *RESEARCH funding , *HEALTH equity , *PROPORTIONAL hazards models , *DATA analysis software , *HEALTH & social status , *DESCRIPTIVE statistics , *ODDS ratio - Abstract
Perceived discrimination is positively related to cardiovascular disease (CVD) risk factors; its relationship with incident CVD is unknown. Using data from the Multi-Ethnic Study of Atherosclerosis, a population-based multiethnic cohort study of 6,508 adults aged 45-84 years who were initially free of clinical CVD, we examined lifetime discrimination (experiences of unfair treatment in 6 life domains) and everyday discrimination (frequency of day-to-day occurrences of perceived unfair treatment) in relation to incident CVD. During a median 10.1 years of follow-up (2000-2011), 604 incident events occurred. Persons reporting lifetime discrimination in ≥2 domains (versus none) had increased CVD risk, after adjustment for race/ethnicity and sociodemographic factors, behaviors, and traditional CVD risk factors (hazard ratio (HR) = 1.36, 95% confidence interval (CI): 1.09, 1.70) and after control for chronic stress and depressive symptoms (HR = 1.28, 95% CI: 1.01, 1.60). Reported discrimination in 1 domain was unrelated to CVD (HR = 1.05, 95% CI: 0.86, 1.30). There were no differences by race/ethnicity, age, or sex. In contrast, everyday discrimination interacted with sex (P = 0.03). Stratified models showed increased risk only among men (for each 1-standard deviation increase in score, adjusted HR = 1.14, 95% CI: 1.03, 1.27); controlling for chronic stress and depressive symptoms slightly reduced this association (HR = 1.11, 95% CI: 0.99, 1.25). This study suggests that perceived discrimination is adversely related to CVD risk in middle-aged and older adults. [ABSTRACT FROM AUTHOR]
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- 2015
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24. A comparative analysis of risk factors for stroke in blacks and whites: the Atherosclerosis Risk in Communities study.
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Huxley, Rachel R., Bell, Elizabeth J., Lutsey, Pamela L., Bushnell, Cheryl, Shahar, Eyal, Rosamond, Wayne, Gottesman, Rebecca, and Folsom, Aaron
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STROKE risk factors ,EDUCATIONAL attainment ,BLACK people ,COMPARATIVE studies ,CONFIDENCE intervals ,INCOME ,PROBABILITY theory ,RACE ,RESEARCH funding ,SELF-evaluation ,WHITE people ,PROPORTIONAL hazards models ,DESCRIPTIVE statistics - Abstract
Objective. Previous studies have speculated that the higher stroke incidence rate (IR) in blacks compared with whites may be due, in part, to stroke risk factors exerting a more adverse effect among blacks than whites. To determine whether such racial differences exist we compared the prospective associations between novel, traditional, and emerging stroke risk factors in blacks and whites. Design. Baseline characteristics on risk factor levels were obtained on 15,407 participants from the Atherosclerosis Risk in Communities Study. Stroke incidence was ascertained from 1987 to 2008. Adjusted Cox proportional hazard models were used to compute hazard ratios (HRs) and their 95% confidence intervals (CIs) for stroke in relation to stroke risk factor levels stratified by race. Results. During follow-up, 988 stroke events occurred: blacks had higher stroke incident rates compared with whites with the greatest difference in those aged <60 years: 4.34, 3.24, 1.20, and 0.84 per 1000 person-years, in black men, black women, white men, and white women, respectively. Associations between risk factors with incident stroke were similar in blacks and whites excluding diabetes which was more strongly associated with the risk of stroke in blacks than in whites: HR 2.54 (95% CI: 2.03–3.18) versus 1.74 (1.37–2.21), respectively;pfor race interaction = 0.02. Conclusions. At all ages, blacks are at a considerably higher risk of incident stroke compared with whites, although the effect is most marked in younger age groups. This is most likely due to blacks having a greater burden of stroke risk factors rather than there being any substantial race differences in the associations between risk factors and stroke outcomes. [ABSTRACT FROM PUBLISHER]
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- 2014
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25. Serum magnesium, phosphorus, and calcium are associated with risk of incident heart failure: the Atherosclerosis Risk in Communities (ARIC) Study.
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Lutsey, Pamela L., Alonso, Alvaro, Michos, Erin D., Loehr, Laura R., Astor, Brad C., Coresh, Josef, and Folsom, Aaron R.
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HEART failure risk factors ,BLACK people ,CALCIUM ,CONFIDENCE intervals ,HEART failure ,LONGITUDINAL method ,MAGNESIUM ,PHOSPHORUS ,PROBABILITY theory ,RESEARCH funding ,WHITE people ,DISEASE incidence ,PROPORTIONAL hazards models ,DESCRIPTIVE statistics - Abstract
Background: Heart failure (HF) is a major source of morbidity and mortality, particularly among the elderly. Magnesium, phosphorus, and calcium are micronutrients traditionally viewed in relation to bone health or chronic kidney disease. However, they also may be associated with risk of cardiovascular disease through a broad range of physiologic roles. Objective: With the use of data from the Atherosclerosis Risk in Communities (ARIC) cohort, we tested the hypotheses that the incidence of HF is greater among individuals with low serum magnesium and those with high serum phosphorus and calcium. Design: A total of 14,709 African Americans (27%) and whites from the ARIC cohort [aged 45-64 y at baseline (1987-1989)] were observed through 2009. Proportional hazards regression was used to explore associations between biomarkers and incident HF. Serum calcium was corrected for serum albumin. Models were adjusted for demographics, behaviors, and physiologic characteristics. Results: A total of 2250 incident HF events accrued over a median follow-up of 20.6 y. Participants in the lowest (≥1.4 mEq/L) compared with the highest (≤1.8 mEq/L) category of magnesium were at greater HF risk (HR: 1.71; 95% CI: 1.46, 1.99). For phosphorus, there appeared to be a threshold whereby only those in the highest quintile were at greater HF risk [HR(Q5 vs Q1): 1.34; 95% CI: 1.16, 1.54]. Higher concentrations of calcium were also associated with greater risk of HF [HR(Q5 vs Q1): 1.24; 95% CI: 1.07, 1.43]. Results were not modified by race, sex, or kidney function and were similar when incident coronary heart disease was included as a time-varying covariate. Conclusions: Low serum magnesium and high serum phosphorus and calcium were independently associated with greater risk of incident HF in this population-based cohort. Whether these biomarkers will be useful candidates for HF risk prediction or targets for prevention remains to be seen. [ABSTRACT FROM AUTHOR]
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- 2014
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26. Estimating mean annual 25-hydroxyvitamin D concentrations from single measurements: the Multi-Ethnic Study of Atherosclerosis.
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Sachs, Michael C., Shoben, Abigail, Levin, Gregory P., Robinson-Cohen, Cassy, Hoofnagle, Andrew N., Swords-Jenny, Nancy, Ix, Joachim H., Budoff, Matthew, Lutsey, Pamela L., Siscovick, David S., Kestenbaum, Bryan, and de Boer, Ian H.
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NUTRITIONAL assessment ,CONFIDENCE intervals ,EPIDEMIOLOGY ,FORECASTING ,LONGITUDINAL method ,MASS spectrometry ,MATHEMATICS ,RESEARCH methodology ,RESEARCH evaluation ,RESEARCH funding ,STATISTICAL sampling ,SEASONS ,SELF-evaluation ,T-test (Statistics) ,VITAMIN D ,VITAMIN D deficiency ,DATA analysis ,BONE density ,BODY mass index ,INDEPENDENT living ,RESEARCH methodology evaluation ,DATA analysis software ,STATISTICAL models ,DESCRIPTIVE statistics - Abstract
Background: The seasonal variation in circulating 25-hydroxyvitamin D [25(OH)D] concentrations is large relative to mean values. Single measurements may misclassify annual exposure, which may lead to bias in research and complicate clinical decision making. Objective: We aimed to develop and validate a model for adjusting a single measurement of a serum 25(OH)D concentration to the time of year it was measured. Design: We measured serum 25(OH)D concentrations by using mass spectrometry in 6476 participants from the Multi-Ethnic Study of Atherosclerosis at baseline and again in a subset of 368 participants at a median of 17 mo later. We estimated a cosinor model to describe the seasonal variability in 25(OH)D concentrations and evaluated this model by using follow-up 25(OH)D measurements. Results: The mean age of subjects was 62.1 y, 61.2% of participants were nonwhite, and 53.3% of participants were women. The cosinor model predicted follow-up 25(OH)D concentrations better than a single measurement [difference in root mean squared error (RMSE): 1.3 ng/mL; P< 0.001]. The cosinor model also better predicted the measured annual mean 25(OH)D concentration (difference in RMSE: 1.0 ng/mL; P< 0.001). Annual mean 25(OH)D concentrations estimated from the cosinor model reclassified 7.1% of participants with regard to 25(OH)D deficiency, which was defined as <20 ng/mL. An estimated annual mean 25(OH)D concentration <20 ng/mL was significantly associated with lower bone mineral density, whereas an untransformed 25(OH)D concentration <20 ng/mL was not. Conclusions: Cross-sectional data can be used to estimate subject-specific mean annual 25(OH)D concentrations from single values by using a cosinor model. The tool we developed by using this approach may assist research and clinical care of adults in North America by reducing the misclassification of 25(OH)D deficiency. [ABSTRACT FROM AUTHOR]
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- 2013
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27. Physical Activity and Cardiovascular Disease in African Americans in Atherosclerosis Risk in Communities.
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BELL, ELIZABETH J., LUTSEY, PAMELA L., WINDHAM, BEVERLY G., and FOLSOM, AARON R.
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ATHEROSCLEROSIS risk factors , *BLACK people , *CARDIOVASCULAR diseases , *COMMUNITIES , *CONFIDENCE intervals , *HEART failure , *RESEARCH funding , *STROKE , *WHITE people , *DISEASE incidence , *PROPORTIONAL hazards models , *CASE-control method , *PHYSICAL activity , *DESCRIPTIVE statistics - Abstract
The article discusses research investigating the association between physical activity and cardiovascular disease (CVD) in African Americans. Researchers used data from the Atherosclerosis Risk in Communities study to examine the relationship between physical activity and the incidence of CVD and its major components, including stroke, heart failure, and coronary heart disease (CHD), in African Americans. The study's experimental design and methodology, a discussion of the results, and the researchers' conclusions regarding the role of physical activity in reducing CVD risk in African Americans are presented.
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- 2013
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28. Relationships of the Mediterranean dietary pattern with insulin resistance and diabetes incidence in the Multi-Ethnic Study of Atherosclerosis (MESA).
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Abiemo, Eunice E., Alonso, Alvaro, Nettleton, Jennifer A., Steffen, Lyn M., Bertoni, Alain G., Jain, Aditya, and Lutsey, Pamela L.
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BLOOD sugar ,CONFIDENCE intervals ,EPIDEMIOLOGICAL research ,INSULIN ,INSULIN resistance ,LONGITUDINAL method ,TYPE 2 diabetes ,PROBABILITY theory ,QUESTIONNAIRES ,RESEARCH funding ,MULTIPLE regression analysis ,DISEASE incidence ,CROSS-sectional method ,PROPORTIONAL hazards models ,DATA analysis software ,MEDITERRANEAN diet - Abstract
Type 2 diabetes (T2D) is a highly prevalent but preventable disorder. We assessed the association between an a priori Mediterranean diet (MeDiet) score and fasting glucose and insulin at baseline and incident T2D after a 6-year follow-up in the Multi-Ethnic Study of Atherosclerosis. Dietary intake was measured at baseline using a 127-item FFQ in 5390 men and women aged 45–84 years free of prevalent diabetes and clinical CVD. A MeDiet score was created based on the intake of ten food components: vegetables; whole grains; nuts; legumes; fruits; ratio of monounsaturated:saturated fat; red and processed meat; dairy products; fish; alcohol. Multivariable linear and proportional hazards models were used to estimate the association of the MeDiet, categorised in quintiles, with baseline insulin and glucose, and incident diabetes, respectively. The models were adjusted for demographic, physiological and behavioural characteristics. After multivariable adjustment, individuals with a higher MeDiet score had lower baseline mean insulin levels (Q1: 5·8 (95 % CI 5·6, 6·0) μmol/l; Q5: 4·8 (95 % CI 4·6, 5·0) μmol/l; P for trend < 0·0001). A higher MeDiet score was also associated with significantly lower glucose levels after basic adjustment, but was attenuated after adjustment for waist circumference. During the follow-up, 412 incident diabetes events accrued. The MeDiet was not significantly related to the risk of incident diabetes (P for trend = 0·64). In summary, greater consistency with a Mediterranean-style diet, reflected by a higher a priori MeDiet score, was cross-sectionally associated with lower insulin levels among non-diabetics, and with lower blood glucose before adjustment for obesity, but not with a lower incidence of diabetes. [ABSTRACT FROM PUBLISHER]
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- 2013
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29. Impact of Age at Smoking Initiation, Dosage, and Time Since Quitting on Cardiovascular Disease in African Americans and Whites.
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Huxley, Rachel R., Yatsuya, Hiroshi, Lutsey, Pamela L., Woodward, Mark, Alonso, Alvaro, and Folsom, Aaron R.
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BLACK people ,WHITE people ,AGE factors in disease ,CARDIOVASCULAR diseases risk factors ,COMPARATIVE studies ,CONFIDENCE intervals ,STATISTICAL correlation ,DOSE-response relationship in biochemistry ,LONGITUDINAL method ,QUESTIONNAIRES ,RESEARCH funding ,SEX distribution ,SMOKING ,SMOKING cessation ,TIME ,SECONDARY analysis ,DISEASE prevalence ,PROPORTIONAL hazards models ,DESCRIPTIVE statistics - Abstract
Despite reportedly having less tobacco exposure compared with whites, African Americans account for a disproportionate number of smoking-related deaths. The purpose of this study was to compare the prospective associations between smoking and cardiovascular risk in whites and African Americans. Smoking status was obtained on 14,200 participants from the Atherosclerosis Risk in Communities Study. Incidence of cardiovascular disease (CVD) was ascertained from 1987 through 2007. Adjusted Cox proportional hazard models were used to estimate the CVD incidence associated with smoking behavior. Over 17 years’ follow-up, there were 2,777 cardiovascular events. In men, compared with never smoking, current smoking was independently associated with 67% (95% confidence interval (CI): 43, 95) and 72% (95% CI: 30, 126) greater risk of CVD in whites and African Americans, respectively. In women, the smoking-related cardiovascular risk was higher: 136% (95% CI: 88, 196) and 169% (95% CI: 126, 219) in African-American and white women, respectively. Early age at smoking initiation was independently associated with increased risk among all participants irrespective of race. Smoking cessation during follow-up was equally beneficial in both whites and African Americans. African Americans who smoke incur a similar level of cardiovascular risk as white smokers and would derive the same benefits from quitting as whites. [ABSTRACT FROM PUBLISHER]
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- 2012
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30. Mid-life serum Vitamin D concentrations were associated with incident dementia but not late-life neuropsychological performance in the Atherosclerosis Risk in Communities (ARIC) Study.
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Fashanu, Oluwaseun E., Zhao, Di, Schneider, Andrea L. C., Rawlings, Andreea M., Sharrett, A. Richey, Lutsey, Pamela L., Gottesman, Rebecca F., Gross, Alden L., Guallar, Eliseo, Alonso, Alvaro, Mosley, Thomas H., and Michos, Erin D.
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VITAMIN D ,DEMENTIA ,MIDDLE age ,NEUROPSYCHOLOGICAL tests ,TELEPHONE calls ,VITAMIN therapy ,CONTINUOUS performance test ,COGNITIVE testing ,BLACK people ,CLINICAL trials ,COMPARATIVE studies ,LONGITUDINAL method ,RESEARCH methodology ,MEDICAL cooperation ,RESEARCH ,RESEARCH funding ,WHITE people ,EVALUATION research ,CROSS-sectional method - Abstract
Background: Activated Vitamin D has anti-inflammatory properties and adequate 25-hydroxyvitamin D [25(OH)D] concentrations may be important for neurocognitive function and protection against neurologic injury. We examined whether mid-life 25(OH) D concentrations were associated with later-life performance on neuropsychological testing, functional ability, depressive symptoms, and incident dementia.Methods: We studied 13,039 white and black ARIC participants who had serum 25(OH) D measured mid-life at visit 2 (1990-1992). Over the next ~ 20 years through visit 5 (2011-2013), participants underwent 3 additional in-person visits, annual telephone calls, and hospitalization surveillance. An extensive battery of neuropsychological outcomes were assessed at visit 5 using standardized protocols. Incident dementia was ascertained through a formal algorithm that included data from in-person cognitive testing, telephone interviews, hospital discharge codes, and death certificate codes. Diagnoses of dementia were adjudicated by expert clinician committee. For the primary cognitive analyses, we imputed for missing covariates and outcomes and used linear regression to evaluate non-concurrent cross-sectional associations of mid-life 25(OH) D (visit 2) with late-life neuropsychological outcomes (visit 5). We also used Cox regression models to examine associations of mid-life 25(OH) D and incident dementia.Results: In mid-life, the mean (SD) age of participants was 57 (6) years, 57% were women, and 24% black. Mean (SD) 25(OH) D was 24.3 (8.6) ng/mL; 33% had deficient (< 20 ng/mL), 44% intermediate (20- < 30 ng/mL), and 23% sufficient (≥30 ng/mL) 25(OH) D concentrations. Association between mid-life 25(OH) D and late-life performance on neuropsychological testing were mostly null. There was no significant association with functional ability or depressive symptoms. Results were similar in a sensitivity analysis using complete-case data (no imputation). However, after a median follow-up of 20 years, low 25(OH) D concentrations were associated with increased risk for incident dementia (p = 0.01 for trend across categories), with HR of 1.26 (95% CI 1.06, 1.49) for participants with deficient 25(OH) D, compared to sufficient concentrations.Conclusion: In this community cohort, mid-life serum 25(OH) D concentrations were associated with incident dementia but not with performance on neuropsychological testing, functional ability, or depressive symptoms, 20 years later. Whether serum 25(OH) D concentrations are causally related to dementia or confounded by poorer health status remains uncertain.Trial Registration: Registered on clinicaltrials.gov NCT00005131 . [ABSTRACT FROM AUTHOR]- Published
- 2019
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31. Association of Multimorbidity with Cardiovascular Endpoints and Treatment Effectiveness in Patients 75 Years and Older with Atrial Fibrillation.
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Claxton, J'Neka S., Chamberlain, Alanna M., Lutsey, Pamela L., Chen, Lin Y., MacLehose, Richard F., Bengtson, Lindsay G.S., and Alonso, Alvaro
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STROKE prevention , *HYPERTENSION epidemiology , *MYOCARDIAL depressants , *CHRONIC kidney failure , *RESEARCH , *STROKE , *RESEARCH methodology , *ATRIAL fibrillation , *ANTICOAGULANTS , *DIABETES , *EVALUATION research , *MEDICAL cooperation , *TREATMENT effectiveness , *HYPERLIPIDEMIA , *COMPARATIVE studies , *HOSPITAL care , *DEMENTIA , *OBSTRUCTIVE lung diseases , *CORONARY artery disease , *RESEARCH funding , *ARTHRITIS , *TUMORS , *HEMORRHAGE , *HEART failure , *PROPORTIONAL hazards models , *DISEASE complications - Abstract
Background: The burden imposed by multimorbidity on outcomes and on the effectiveness of atrial fibrillation therapies in elderly adults with atrial fibrillation is unknown.Methods: Patients with nonvalvular atrial fibrillation ages ≥75 years in the MarketScan Medicare Supplemental database from 2007-2015. Prevalence of 14 chronic conditions at the time of atrial fibrillation diagnosis were obtained and classified as cardiometabolic or noncardiometabolic. Cox regression estimated the associations of the number and type of conditions with stroke, severe bleeding, and heart failure hospitalizations. Tests for interaction were assessed between atrial fibrillation treatments and multimorbidity.Results: Among 275,617 patients with atrial fibrillation (mean age 83 years, 51% women), the mean (SD) number of conditions per participant was 3.0 (2.1). Over a mean follow-up of 23 months, 7814 strokes, 13,622 severe bleeds, and 19,252 heart failure events occurred. After adjustment, an increase in the number of cardiometabolic conditions was associated with greater risk of stroke (hazard ratio [HR] 1.07; 95% confidence interval [CI], 1.05-1.10), severe bleeding (HR 1.09; 95% CI, 1.07-1.11), and heart failure (HR 1.19, 95% CI, 1.18-1.20). In contrast, number of noncardiometabolic conditions had weak or null associations with risk of cardiovascular endpoints. Overall, the effectiveness of atrial fibrillation treatment on stroke and heart failure were similar across multimorbidity status, but bleeding risk associated with atrial fibrillation treatments was higher in patients with overall and subgroup multimorbidity.Conclusion: Cardiometabolic multimorbidity was associated with worse outcomes and modified bleeding risk in atrial fibrillation patients. These findings underscore the impact of cardiometabolic conditions on atrial fibrillation outcomes and highlights the need to incorporate multimorbidity management in atrial fibrillation treatment guidelines. [ABSTRACT FROM AUTHOR]- Published
- 2020
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32. Racial/ethnic differences in the associations between obesity measures and severity of sleep-disordered breathing: the Multi-Ethnic Study of Atherosclerosis.
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Chen, Xiaoli, Wang, Rui, Lutsey, Pamela L., Zee, Phyllis C., Javaheri, Sogol, Alcántara, Carmela, Jackson, Chandra L., Szklo, Moyses, Punjabi, Naresh, Redline, Susan, and Williams, Michelle A.
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SLEEP apnea syndromes , *OBESITY risk factors , *ATHEROSCLEROSIS treatment , *POLYSOMNOGRAPHY , *APNEA treatment , *ATHEROSCLEROSIS complications , *STATISTICS on Black people , *STATISTICS on Hispanic Americans , *OBESITY complications , *ANALYSIS of variance , *ASIANS , *ATHEROSCLEROSIS , *COMPARATIVE studies , *LONGITUDINAL method , *RESEARCH methodology , *MEDICAL cooperation , *OBESITY , *RESEARCH , *RESEARCH funding , *WHITE people , *EVALUATION research , *BODY mass index , *DISEASE prevalence , *SEVERITY of illness index , *DISEASE complications , *DIAGNOSIS - Abstract
Objectives: The objective of this study was to evaluate associations between obesity measures and sleep-disordered breathing severity among White, Black, Hispanic, and Chinese Americans.Methods: The method used in this study was a community-based cross-sectional study of 2053 racially/ethnically diverse adults in the Multi-Ethnic Study of Atherosclerosis. Anthropometry and polysomnography were used to measure obesity and apnea-hypopnea index (AHI). Linear regression models were fitted to investigate associations of body mass index (BMI) and waist circumference with AHI (log transformed) with adjustment for sociodemographics, lifestyle factors, and comorbidities.Results: The mean participant age was 68.4 (range: 54-93) years; 53.6% of participants were women. The median AHI was 9.1 events/h. There were significant associations of BMI and waist circumference with AHI in the overall cohort and within each racial/ethnic group. A significant interaction was observed between race/ethnicity and BMI (Pinteraction = 0.017). Models predicted that for each unit increase in BMI (kg/m2), the mean AHI increased by 19.7% for Chinese, 11.6% for Whites and Blacks, and 10.5% for Hispanics. Similarly, incremental changes in waist circumference were associated with larger increases in AHI among Chinese than among other groups.Conclusions: Associations of BMI and waist circumference with AHI were stronger among Chinese than among other racial/ethnic groups. These findings highlight a potential emergence of elevated sleep-disordered breathing prevalence occurring in association with increasing obesity in Asian populations. [ABSTRACT FROM AUTHOR]- Published
- 2016
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33. Incident Heart Failure and Long-Term Risk for Venous Thromboembolism.
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Fanola, Christina L., Norby, Faye L., Shah, Amil M., Chang, Patricia P., Lutsey, Pamela L., Rosamond, Wayne D., Cushman, Mary, and Folsom, Aaron R.
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HEART failure , *PROPORTIONAL hazards models , *THROMBOEMBOLISM , *VENTRICULAR remodeling , *VENOUS thrombosis , *RESEARCH , *VEINS , *TIME , *RESEARCH methodology , *DISEASE incidence , *EVALUATION research , *MEDICAL cooperation , *COMPARATIVE studies , *RESEARCH funding , *STROKE volume (Cardiac output) , *LONGITUDINAL method - Abstract
Background: Heart failure (HF) hospitalization places patients at increased short-term risk for venous thromboembolism (VTE). Long-term risk for VTE associated with incident HF, HF subtypes, or structural heart disease is unknown.Objectives: In the ARIC (Atherosclerosis Risk In Communities) cohort, VTE risk associated with incident HF, HF subtypes, and abnormal echocardiographic measures in the absence of clinical HF was assessed.Methods: During follow-up, ARIC identified incident HF and subcategorized HF with preserved ejection fraction or reduced ejection fraction. At the fifth clinical examination, echocardiography was performed. Physicians adjudicated incident VTE using hospital records. Adjusted Cox proportional hazards models were used to evaluate the association between HF or echocardiographic exposures and VTE.Results: Over a mean of 22 years in 13,728 subjects, of whom 2,696 (20%) developed incident HF, 729 subsequent VTE events were identified. HF was associated with increased long-term risk for VTE (adjusted hazard ratio: 3.13; 95% confidence interval: 2.58 to 3.80). In 7,588 subjects followed for a mean of 10 years, the risk for VTE was similar for HF with preserved ejection fraction (adjusted hazard ratio: 4.71; 95% CI: 2.94 to 7.52) and HF with reduced ejection fraction (adjusted hazard ratio: 5.53; 95% confidence interval: 3.42 to 8.94). In 5,438 subjects without HF followed for a mean of 3.5 years, left ventricular relative wall thickness and mean left ventricular wall thickness were independent predictors of VTE.Conclusions: In this prospective population-based study, incident hospitalized HF (including both heart failure with preserved ejection fraction and reduced ejection fraction), as well as echocardiographic indicators of left ventricular remodeling, were associated with greatly increased risk for VTE, which persisted through long-term follow-up. Evidence-based strategies to prevent long-term VTE in patients with HF, beyond time of hospitalization, are needed. [ABSTRACT FROM AUTHOR]- Published
- 2020
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34. Reasons for Differences in the Incidence of Venous Thromboembolism in Black Versus White Americans.
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Folsom, Aaron R., Basu, Saonli, Hong, Ching-Ping, Heckbert, Susan R., Lutsey, Pamela L., Rosamond, Wayne D., Cushman, Mary, and Atherosclerosis Risk in Communities (ARIC) Study
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THROMBOEMBOLISM , *HEART failure , *VENOUS thrombosis , *INCOME , *DISEASE risk factors , *BLACK people , *POPULATION , *RESEARCH funding , *VEINS , *WHITE people , *SOCIOECONOMIC factors , *DISEASE incidence - Abstract
Introduction: Venous thromboembolism incidence rates are 30%-100% higher in US blacks than whites. We examined the degree to which differences in the frequencies of socioeconomic, lifestyle, medical risk factors, and genetic variants explain the excess venous thromboembolism risk in blacks and whether some risk factors are more strongly associated with venous thromboembolism in blacks compared with whites.Methods: We measured venous thromboembolism risk factors in black and white participants of the Atherosclerosis Risk in Communities study in 1987-1989 and followed them prospectively through 2015 for venous thromboembolism incidence.Results: Over a mean of 22 years, we identified 332 venous thromboembolisms in blacks and 578 in whites, yielding 65% higher crude incidence rates per 1000 person-years in blacks. The age and sex-adjusted hazard ratio (95% confidence interval) of venous thromboembolism for blacks compared with whites was 2.04 (1.76, 2.37) for follow-up >10 years and was attenuated to 1.14 (0.89, 1.46) when adjusted for baseline confounders or mediators of the race association, which tended to be more common in blacks. For example, adjustment for just baseline weight, family income, and concentration of plasma factor VIII reduced the regression coefficient for race by 75%. There were no significant (P <0.05) 2-way multiplicative interactions of race with any risk factor, except with a 5-single nucleotide polymorphism (5-SNP) genetic risk score (a weaker venous thromboembolism risk factor in blacks) and with hospitalization for heart failure (a stronger venous thromboembolism risk factor in blacks).Conclusion: The higher incidence rate of venous thromboembolism in blacks than whites was mostly explained by blacks having higher frequencies of venous thromboembolism risk factors. [ABSTRACT FROM AUTHOR]- Published
- 2019
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35. Serum vitamin D and sex hormones levels in men and women: The Multi-Ethnic Study of Atherosclerosis (MESA).
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Zhao, Di, Ouyang, Pamela, de Boer, Ian H., Lutsey, Pamela L., Farag, Youssef M.K., Guallar, Eliseo, Siscovick, David S., Post, Wendy S., Kalyani, Rita R., Billups, Kevin L., and Michos, Erin D.
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SEX hormones , *VITAMIN D , *ATHEROSCLEROSIS , *DEHYDROEPIANDROSTERONE , *BODY mass index , *ADIPOSE tissues , *HUMAN body composition , *ESTRADIOL , *ETHNIC groups , *GLYCOPROTEINS , *RESEARCH funding , *TESTOSTERONE , *CROSS-sectional method - Abstract
Introduction: 25-hydroxyvitamin D [25(OH)D] deficiency has been associated with low testosterone levels in men, but there are conflicting reports of its associations with sex hormones in women. Less is known about whether these associations are independent of adiposity and lifestyle factors, and whether they differ by race/ethnicity.Aim: To examine associations of 25(OH)D concentrations with sex hormone levels.Methods: Cross-sectional analysis of 3017 men and 2929 women in a multi-ethnic cohort.Main Outcome Measures: Testosterone, estradiol, dehydroepiandrosterone (DHEA), sex hormone binding globulin (SHBG), and free testosterone.Results: The mean (SD) levels of 25(OH)D in men and women were 25.7(10.4) and 26.1(12.0)ng/ml, respectively. In men, after adjusting for demographic and lifestyle variables, a 10ng/ml [25nmol/L] decrease in 25(OH)D was associated with an average difference of -0.70nmol/L (95%CI -1.36, -0.05) in SHBG and 0.02 percent (0.01, 0.04) in free testosterone, but was not associated with low total testosterone level (<10.41nmol/L). In women, a 10ng/ml decrease in 25(OH)D levels was associated with an average difference of -0.01nmol/L (-0.01, -0.00) for estradiol, -8.29nmol/L (-10.13, -6.45) for SHBG, 0.06 percent (0.04, 0.07) for free testosterone, and 0.40nmol/L (0.19, 0.62) for DHEA. There was no significant interaction by race/ethnicity.Conclusions: Lower 25(OH)D concentrations were associated with lower SHBG levels and higher free testosterone levels in both men and women, and lower estradiol and higher DHEA levels in women, independent of adiposity and lifestyle. We observed no significant association of 25(OH)D with total testosterone in men. Future studies are needed to determine whether vitamin D supplementation influences sex hormone levels. [ABSTRACT FROM AUTHOR]- Published
- 2017
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36. Ideal Cardiovascular Health During Adult Life and Cardiovascular Structure and Function Among the Elderly.
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Shah, Amil M., Claggett, Brian, Folsom, Aaron R., Lutsey, Pamela L., Ballantyne, Christie M., Heiss, Gerardo, and Solomon, Scott D.
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CARDIOVASCULAR system , *OLDER patients , *CARDIOVASCULAR diseases , *DISEASE prevalence , *ATHEROSCLEROSIS risk factors , *FOLLOW-up studies (Medicine) , *AGING , *ECHOCARDIOGRAPHY , *BLOOD sugar analysis , *HYPERTENSION epidemiology , *CARDIOVASCULAR disease diagnosis , *HEALTH status indicators , *HEART , *HYPERGLYCEMIA , *LONGITUDINAL method , *MOTOR ability , *OBESITY , *RESEARCH funding , *SMOKING , *BODY mass index - Abstract
Background: A higher American Heart Association cardiovascular health score (CVHS) predicts a lower incidence of cardiovascular disease (CVD). However, the relationship of CVHS attainment through midlife to late life with CVD prevalence and cardiovascular structure and function in late life is not well described.Methods and Results: The following 6 ideal cardiovascular health metrics were assessed in the Atherosclerosis Risk in Communities (ARIC) study participants at 5 examination visits between 1987 and 2013: nonsmoking, body mass index <25 kg/m(2), untreated total cholesterol <200 mg/dL, untreated blood pressure <120/<80 mm Hg, fasting blood glucose <100 mg/dL, and ideal physical activity. Attainment over time was assessed as the percentage of maximum possible CVHS metrics achieved at visits 1 through 5, the slope of change in CVHS per decade of follow-up, and CVHS trajectory through follow-up. At visit 5, participant groups were characterized with respect to CVD prevalence (n=6520) and echocardiographic measures of cardiac structure and function (n=5903 free of CVD). CVHS was low at baseline and declined with age. Both greater CVHS attainment and improvement in CVHS during follow-up were associated with a lower prevalence of CVD and better left ventricular structure and systolic and diastolic function at visit 5.Conclusions: Greater attainment of, and improvements in, ideal cardiovascular health through midlife to late life are associated with lower CVD prevalence and better cardiovascular structure and function when elderly. These findings highlight the importance of consistent primordial and primary prevention efforts throughout midlife to late life as a potential intervention to decrease the burden of CVD among the elderly. [ABSTRACT FROM AUTHOR]- Published
- 2015
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37. Circulating Biomarkers and Abdominal Aortic Aneurysm Incidence: The Atherosclerosis Risk in Communities (ARIC) Study.
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Folsom, Aaron R, Yao, Lu, Alonso, Alvaro, Lutsey, Pamela L, Missov, Emil, Lederle, Frank A, Ballantyne, Christie M, and Tang, Weihong
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ABDOMINAL aortic aneurysms , *ATHEROSCLEROSIS , *BIOMARKERS , *BLOOD proteins , *INFLAMMATION , *LONGITUDINAL method , *PEPTIDE hormones , *PEPTIDES , *RESEARCH funding , *DISCHARGE planning , *RELATIVE medical risk , *DISEASE incidence , *PROPORTIONAL hazards models - Abstract
Background: The pathogenesis of abdominal aortic aneurysm (AAA) is complex. Cross-sectional studies have connected circulating biomarkers with AAA, but prospective evidence is limited.Methods and Results: In the Atherosclerosis Risk in Communities Study cohort, we measured multiple blood biomarkers of inflammation, hemostasis, thrombin generation, cardiac dysfunction, and vascular stiffness and identified incident AAAs during follow-up using hospital discharge codes. Six biomarkers (white blood cell count, fibrinogen, D-dimer, troponin T, N-terminal pro-brain natriuretic peptide, and high-sensitivity C-reactive protein) were strongly associated positively with AAA incidence. Compared with having none of these 6 biomarkers in the highest quartile, the hazard ratios of AAA for those with 1, 2, 3, or 4 to 6 biomarkers in the highest quartile were 2.2, 3.3, 4.0, and 9.9, respectively (P for trend < 0.0001) after adjustment for other risk factors.Conclusions: This prospective study found that higher concentrations of 6 biomarkers were associated with increased risk of AAA. The more markers that fell into the highest quartile, the higher the AAA risk was. Multiple positive biomarkers identify a subgroup of patients at high risk of AAA. [ABSTRACT FROM AUTHOR]- Published
- 2015
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