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Association of Bulimia Nervosa With Long-term Risk of Cardiovascular Disease and Mortality Among Women.

ABSTRACT: Importance:Bulimia nervosa is associated with short-term cardiovascular complications in women, but its long-term consequences on cardiovascular health are unknown. Objective:To study the association of bulimia nervosa with the long-term risk of cardiovascular disease and mortality in women. Design, Setting, and Participants:In this longitudinal cohort study, 416 709 women hospitalized in Quebec, Canada, including women hospitalized for bulimia nervosa and those for pregnancy-related events as a comparison group, were followed up for 12 years from 2006 to 2018 to identify incidences of cardiovascular disease and death. Exposures:At least 1 hospitalization for bulimia nervosa. Main Outcomes and Measures:The study participants were followed up to identify future incidences of cardiovascular disease and deaths. Cox proportional hazards regression was used to estimate hazard ratios (HRs) and 95% CIs to assess the association of bulimia nervosa with future outcomes after adjustment for patient characteristics. Results:The study population comprised 818 women who were hospitalized for bulimia nervosa (mean [SD] age, 28.3 [13.4] years) and 415?891 hospitalized for pregnancy-related events (mean [SD] age, 28.3 [5.4] years). Patients were followed up for a total of 2?957?677 person-years. The women hospitalized for bulimia nervosa had a greater incidence of cardiovascular disease compared with those hospitalized for pregnancy-related events (10.34 [95% CI, 7.77-13.76] vs 1.02 [95% CI, 0.99-1.06] per 1000 person-years). Incidence of future cardiovascular disease was even higher for women with 3 or more bulimia admissions (25.13 [95% CI, 13.52-46.70] per 1000 person-years). Women hospitalized for bulimia nervosa had 4.25 (95% CI, 2.98-6.07) times the risk of any cardiovascular disease and 4.72 (95% CI, 2.05-10.84) times the risk of death compared with women hospitalized for pregnancy-related events. Bulimia nervosa was found to be associated with ischemic heart disease (HR, 6.63; 95% CI, 3.34-13.13), atherosclerosis (HR, 6.94; 95% CI, 3.08-15.66), and cardiac conduction defects (HR, 2.99; 95% CI, 1.57-5.71). Bulimia was also associated with 21.93 (95% CI, 9.29-51.74) times the risk of myocardial infarction at 2 years of follow-up and 14.13 (95% CI, 6.02-33.18) times the risk at 5 years of follow-up. Conclusions and Relevance:This study's findings suggest that bulimia nervosa may be associated with the long-term risk of any cardiovascular disease, such as ischemic cardiac events and conduction disorders, as well as with death among women. The findings also suggest that women with a history of bulimia nervosa should be screened regularly for ischemic cardiovascular disease and may benefit from prevention of and treatment for cardiovascular risk factors.

SUBMITTER: Tith RM

PROVIDER: S-EPMC6802370 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature

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Association of Bulimia Nervosa With Long-term Risk of Cardiovascular Disease and Mortality Among Women.

Tith Rasmi M RM Paradis Gilles G Potter Brian J BJ Low Nancy N Healy-Profitós Jessica J He Siyi S Auger Nathalie N

JAMA psychiatry 20200101 1

<h4>Importance</h4>Bulimia nervosa is associated with short-term cardiovascular complications in women, but its long-term consequences on cardiovascular health are unknown.<h4>Objective</h4>To study the association of bulimia nervosa with the long-term risk of cardiovascular disease and mortality in women.<h4>Design, setting, and participants</h4>In this longitudinal cohort study, 416 709 women hospitalized in Quebec, Canada, including women hospitalized for bulimia nervosa and those for pregnan ...[more]

PMID: 31617882

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Project description:ImportancePrevious studies identify gestational diabetes (GD) as a risk factor for intermediate markers of cardiovascular disease (CVD) risk; however, few are prospective, evaluate hard CVD end points, or account for shared risk factors including body weight and lifestyle.ObjectiveTo prospectively evaluate history of GD in relation to incident CVD risk.Design, setting, and participantsThe Nurses' Health Study II (NHS II) is an observational cohort study of US female nurses established in 1989, with ongoing follow-up. Biennial questionnaires updated behavioral characteristics, health outcomes, and lifestyle factors. Multivariable Cox models estimated the hazard ratio (HR) and 95% CI for CVD risk. We included 89?479 women who reported at least 1 pregnancy and were free of CVD and cancer at baseline. Follow-up through May 31, 2015, was complete for more than 90% of eligible participants.ExposuresHistory of GD was self-reported at baseline (1989) via questionnaire and updated every 2 years.Main outcomes and measuresWe observed 1161 incident self-reported nonfatal or fatal myocardial infarction or stroke, confirmed via medical records.ResultsParticipants had a mean (SD) age of 34.9 (4.7) years. Adjusting for age, prepregnancy body mass index, and other covariates, GD vs no GD was associated with subsequent CVD (HR, 1.43; 95% CI, 1.12-1.81). Additional adjustment for weight gain since pregnancy and updated lifestyle factors attenuated the association (HR, 1.29; 95% CI, 1.01-1.65). Classifying GD by progression to T2D in relation to CVD risk indicated a positive association for GD with progression to T2D vs no GD or T2D (HR, 4.02; 95% CI, 1.94-8.31), and an attenuated relationship for GD only (HR, 1.30; 95% CI, 0.99-1.71).Conclusions and relevanceGestational diabetes was positively associated with CVD later in life, although the absolute rate of CVD in this younger cohort of predominantly white women was low. This relationship is possibly mediated in part by subsequent weight gain and lack of healthy lifestyle.

Project description:BackgroundHistory of a hypertensive disorder of pregnancy (HDP) among women may be useful to refine atherosclerotic cardiovascular disease risk assessments. However, future risk of diverse cardiovascular conditions in asymptomatic middle-aged women with prior HDP remains unknown.ObjectivesThe purpose of this study was to examine the long-term incidence of diverse cardiovascular conditions among middle-aged women with and without prior HDP.MethodsWomen in the prospective, observational UK Biobank age 40 to 69 years who reported ≥1 live birth were included. Noninvasive arterial stiffness measurement was performed in a subset of women. Cox models were fitted to associate HDP with incident cardiovascular diseases. Causal mediation analyses estimated the contribution of conventional risk factors to observed associations.ResultsOf 220,024 women included, 2,808 (1.3%) had prior HDP. The mean age at baseline was 57.4 ± 7.8 years, and women were followed for median 7 years (interquartile range: 6.3 to 7.7 years). Women with HDP had elevated arterial stiffness indexes and greater prevalence of chronic hypertension compared with women without HDP. Overall, 7.0 versus 5.3 age-adjusted incident cardiovascular conditions occurred per 1,000 women-years for women with versus without prior HDP, respectively (p = 0.001). In analysis of time-to-first incident cardiovascular diagnosis, prior HDP was associated with a hazard ratio (HR) of 1.3 (95% CI: 1.04 to 1.60; p = 0.02). HDP was associated with greater incidence of CAD (HR: 1.8; 95% CI: 1.3 to 2.6; p < 0.001), heart failure (HR: 1.7; 95% CI: 1.04 to 2.60; p = 0.03), aortic stenosis (HR: 2.9; 95% CI: 1.5 to 5.4; p < 0.001), and mitral regurgitation (HR: 5.0; 95% CI: 1.5 to 17.1; p = 0.01). In causal mediation analyses, chronic hypertension explained 64% of HDP's association with CAD and 49% of HDP's association with heart failure.ConclusionsHypertensive disorders of pregnancy are associated with accelerated cardiovascular aging and more diverse cardiovascular conditions than previously appreciated, including valvular heart disease. Cardiovascular risk after HDP is largely but incompletely mediated by development of chronic hypertension.

Dataset Information

Association of Bulimia Nervosa With Long-term Risk of Cardiovascular Disease and Mortality Among Women.

Publications

Association of Bulimia Nervosa With Long-term Risk of Cardiovascular Disease and Mortality Among Women.

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