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Associations of Bowel Movement Frequency with Risk of Cardiovascular Disease and Mortality among US Women.

ABSTRACT: Emerging evidence suggests a potential impact of gastrointestinal function on cardiometabolic risk. Abnormal bowel movements have been related to various cardiovascular risk factors such as dyslipidemia, hypertension, diabetes, and altered metabolism of bile acids and gut microbiota. However, little is known about whether bowel movement frequency affects risk of cardiovascular disease (CVD) and mortality. In the Nurses' Health Study, bowel movement frequency was self-reported in 1982 by 86,289 women free from CVD and cancer. During up to 30 years of follow-up, we documented 7,628 incident CVD cases and 21,084 deaths. After adjustment for dietary intake, lifestyle, medication use, and other risk factors, as compared with women with daily bowel movement, having bowel movements more than once daily was significantly associated with increased risk of CVD (hazard ratio [HR]: 1.13; 95% confidence interval [CI]: 1.05-1.21), total mortality (HR: 1.17; 95% CI: 1.12-1.22), and cardiovascular mortality (HR: 1.17; 95% CI: 1.07-1.28). With further adjustment for body mass index and diabetes status, the association with total mortality remained significant (HR: 1.10; 95% CI: 1.06-1.15), whereas the associations with incident CVD and cardiovascular mortality were no longer significant. Our results suggest increased bowel movement frequency is a potential risk factor for premature mortality.

SUBMITTER: Ma W

PROVIDER: S-EPMC5011651 | biostudies-literature | 2016 Sep

REPOSITORIES: biostudies-literature

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Associations of Bowel Movement Frequency with Risk of Cardiovascular Disease and Mortality among US Women.

Ma Wenjie W Li Yanping Y Heianza Yoriko Y Staller Kyle D KD Chan Andrew T AT Rimm Eric B EB Rexrode Kathryn M KM Qi Lu L

Scientific reports 20160906

Emerging evidence suggests a potential impact of gastrointestinal function on cardiometabolic risk. Abnormal bowel movements have been related to various cardiovascular risk factors such as dyslipidemia, hypertension, diabetes, and altered metabolism of bile acids and gut microbiota. However, little is known about whether bowel movement frequency affects risk of cardiovascular disease (CVD) and mortality. In the Nurses' Health Study, bowel movement frequency was self-reported in 1982 by 86,289 w ...[more]

PMID: 27596972

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Project description: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.

Project description:BackgroundProspective cohort studies suggest that frailty is associated with an increased risk of incident cardiovascular disease (CVD) morbidity and mortality, but their mechanistic and developmental relations are not fully understood. We investigated whether frailty predicted an increased risk of incident nonfatal and fatal CVD among community-dwelling older adults.MethodsA population cohort of 5015 participants aged 55 years and above free of CVD at baseline was followed for up to 10 years. Pre-frailty and frailty were defined as the presence of 1-2 and 3-5 modified Fried criteria (unintentional weight loss, weakness, slow gait speed, exhaustion, and low physical activity), incident CVD events as newly diagnosed registered cases of myocardial infarction (MI), stroke, and CVD-related mortality (ICD 9: 390 to 459 or ICD-10: I00 to I99). Covariate measures included traditional cardio-metabolic and vascular risk factors, medication therapies, Geriatric Depression Scale (GDS), Mini-Mental State Exam (MMSE), and blood biomarkers (haemoglobin, albumin, white blood cell counts and creatinine).ResultsPre-frailty and frailty were significantly associated with elevated HR = 1.26 (95%CI: 1.02-1.56) and HR = 1.54 (95%CI:1.00-2.35) of overall CVD, adjusted for cardio-metabolic and vascular risk factors and medication therapies, but not after adjustment for GDS depression and MMSE cognitive impairment. The HR of association between frailty status and both CVD mortality and overall mortality, however, remained significantly elevated after full adjustment for depression, cognitive and blood biomarkers.ConclusionFrailty was associated with increased risk of CVD morbidity and especially mortality, mediated in parts by traditional cardio-metabolic and vascular risk factors, and co-morbid depression and associated cognitive impairment and chronic inflammation. Given that pre-frailty and frailty are reversible by multi-domain lifestyle and health interventions, there is potential benefits in reducing cardiovascular diseases burden and mortality from interventions targeting pre-frailty and early frailty population.

Dataset Information

Associations of Bowel Movement Frequency with Risk of Cardiovascular Disease and Mortality among US Women.

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Associations of Bowel Movement Frequency with Risk of Cardiovascular Disease and Mortality among US Women.

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