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The impact of birth weight on cardiovascular disease risk in the Women's Health Initiative.

ABSTRACT: Cardiovascular disease (CVD) is among the leading causes of morbidity and mortality worldwide. Traditional risk factors predict 75-80% of an individual's risk of incident CVD. However, the role of early life experiences in future disease risk is gaining attention. The Barker hypothesis proposes fetal origins of adult disease, with consistent evidence demonstrating the deleterious consequences of birth weight outside the normal range. In this study, we investigate the role of birth weight in CVD risk prediction.The Women's Health Initiative (WHI) represents a large national cohort of post-menopausal women with 63,815 participants included in this analysis. Univariable proportional hazards regression analyses evaluated the association of 4 self-reported birth weight categories against 3 CVD outcome definitions, which included indicators of coronary heart disease, ischemic stroke, coronary revascularization, carotid artery disease and peripheral arterial disease. The role of birth weight was also evaluated for prediction of CVD events in the presence of traditional risk factors using 3 existing CVD risk prediction equations: one body mass index (BMI)-based and two laboratory-based models. Low birth weight (LBW) (<6 lbs.) was significantly associated with all CVD outcome definitions in univariable analyses (HR = 1.086, p = 0.009). LBW was a significant covariate in the BMI-based model (HR = 1.128, p < 0.0001) but not in the lipid-based models.LBW (<6 lbs.) is independently associated with CVD outcomes in the WHI cohort. This finding supports the role of the prenatal and postnatal environment in contributing to the development of adult chronic disease.

SUBMITTER: Smith CJ

PROVIDER: S-EPMC4788544 | biostudies-literature | 2016 Mar

REPOSITORIES: biostudies-literature

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The impact of birth weight on cardiovascular disease risk in the Women's Health Initiative.

Smith C J CJ Ryckman K K KK Barnabei V M VM Howard B V BV Isasi C R CR Sarto G E GE Tom S E SE Van Horn L V LV Wallace R B RB Robinson J G JG

Nutrition, metabolism, and cardiovascular diseases : NMCD 20151118 3

<h4>Background and aims</h4>Cardiovascular disease (CVD) is among the leading causes of morbidity and mortality worldwide. Traditional risk factors predict 75-80% of an individual's risk of incident CVD. However, the role of early life experiences in future disease risk is gaining attention. The Barker hypothesis proposes fetal origins of adult disease, with consistent evidence demonstrating the deleterious consequences of birth weight outside the normal range. In this study, we investigate the ...[more]

PMID: 26708645

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Project description:Millions of postmenopausal women use multivitamins, often believing that supplements prevent chronic diseases such as cancer and cardiovascular disease (CVD). Therefore, we decided to examine associations between multivitamin use and risk of cancer, CVD, and mortality in postmenopausal women.The study included 161 808 participants from the Women's Health Initiative clinical trials (N = 68 132 in 3 overlapping trials of hormone therapy, dietary modification, and calcium and vitamin D supplements) or an observational study (N = 93 676). Detailed data were collected on multivitamin use at baseline and follow-up time points. Study enrollment occurred between 1993 and 1998; the women were followed up for a median of 8.0 years in the clinical trials and 7.9 years in the observational study. Disease end points were collected through 2005. We documented cancers of the breast (invasive), colon/rectum, endometrium, kidney, bladder, stomach, ovary, and lung; CVD (myocardial infarction, stroke, and venous thromboembolism); and total mortality.A total of 41.5% of the participants used multivitamins. After a median of 8.0 years of follow-up in the clinical trial cohort and 7.9 years in the observational study cohort, 9619 cases of breast, colorectal, endometrial, renal, bladder, stomach, lung, or ovarian cancer; 8751 CVD events; and 9865 deaths were reported. Multivariate-adjusted analyses revealed no association of multivitamin use with risk of cancer (hazard ratio [HR], 0.98, and 95% confidence interval [CI], 0.91-1.05 for breast cancer; HR, 0.99, and 95% CI, 0.88-1.11 for colorectal cancer; HR, 1.05, and 95% CI, 0.90-1.21 for endometrial cancer; HR, 1.0, and 95% CI, 0.88-1.13 for lung cancer; and HR, 1.07, and 95% CI, 0.88-1.29 for ovarian cancer); CVD (HR, 0.96, and 95% CI, 0.89-1.03 for myocardial infarction; HR, 0.99, and 95% CI, 0.91-1.07 for stroke; and HR, 1.05, and 95% CI, 0.85-1.29 for venous thromboembolism); or mortality (HR, 1.02, and 95% CI, 0.97-1.07).After a median follow-up of 8.0 and 7.9 years in the clinical trial and observational study cohorts, respectively, the Women's Health Initiative study provided convincing evidence that multivitamin use has little or no influence on the risk of common cancers, CVD, or total mortality in postmenopausal women.

Project description:ObjectiveTo evaluate the incidence of cardiovascular disease (CVD) morbidity and mortality over the course of 10 years among the more than 160,000 postmenopausal women in the Women's Health Initiative (WHI) in relation to self-reported rheumatoid arthritis (RA), taking disease-modifying antirheumatic drugs (DMARDs), anti-cyclic citrullinated peptide (anti-CCP) positivity, rheumatoid factor (RF) positivity, CVD risk factors, joint pain, and inflammation (white blood cell count and interleukin-6 levels).MethodsAnti-CCP and RF were measured in a sample of WHI participants with self-reported RA (n = 9,988). RA was classified as self-reported RA plus anti-CCP positivity and/or taking DMARDs. Anti-CCP-negative women with self-reported RA and not taking DMARDs were classified as having "unverified RA."ResultsAge-adjusted rates of coronary heart disease (CHD), stroke, CVD, fatal CVD, and total mortality were higher in women with RA than in women with no reported RA, with multivariable-adjusted hazard ratios of 1.46 (95% confidence interval [95% CI] 1.17-1.83) for CHD and 2.55 (95% CI 1.86-3.51) for fatal CVD. Among women with RA, anti-CCP positivity and RF positivity were not significantly associated with higher risk of any outcomes, despite slightly higher risk of death for those who were anti-CCP positive than for those who were anti-CCP negative. Joint pain severity and CVD risk factors were strongly associated with CVD risk, even in women with no reported RA. CVD incidence was increased in women with RA versus women with no reported RA at almost all risk factor levels, except for low levels of joint pain or inflammation. Among women with RA, inflammation was more strongly associated with fatal CVD and total mortality than with CHD or CVD.ConclusionAmong postmenopausal women, RA was associated with 1.5-2.5-fold higher CVD risk. CVD risk was strongly associated with CVD risk factors, joint pain severity, and inflammation, but not with anti-CCP positivity or RF positivity.

Dataset Information

The impact of birth weight on cardiovascular disease risk in the Women's Health Initiative.

Publications

The impact of birth weight on cardiovascular disease risk in the Women's Health Initiative.

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