Association Between Prolactin and Incidence of Cardiovascular Risk Factors in the Framingham Heart Study
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Therkelsen, Kate E.
Abraham, Tobin M.
Pedley, Alison
Massaro, Joseph M.
Sutherland, Patrice
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https://doi.org/10.1161/JAHA.115.002640Metadata
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Therkelsen, Kate E., Tobin M. Abraham, Alison Pedley, Joseph M. Massaro, Patrice Sutherland, Udo Hoffmann, and Caroline S. Fox. 2016. “Association Between Prolactin and Incidence of Cardiovascular Risk Factors in the Framingham Heart Study.” Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease 5 (2): e002640. doi:10.1161/JAHA.115.002640. http://dx.doi.org/10.1161/JAHA.115.002640.Abstract
Background: Prolactin is an anterior pituitary hormone that may modulate the adverse effects of obesity. Prolactin has been associated with cardiovascular disease mortality, but less is known about whether prolactin predicts incidence of cardiovascular disease risk factors. Methods and Results: Our sample (n=3232, mean age 40.4 years, 52.1% women) was drawn from Framingham Heart Study participants who attended 2 examinations an average of 6.1 years apart. After excluding those with elevated prolactin (>30 mg/dL for women, >20 mg/dL for men), multivariable‐adjusted regressions modeled the associations between baseline prolactin and changes in cardiovascular disease risk factors. Models were adjusted for age, sex, baseline value of the risk factor, smoking status, hormone replacement therapy, and menopausal status and additionally for body mass index. Mean prolactin levels were 11.9 mg/dL (SD 5.2) in women and 8.0 mg/dL (SD 2.9) in men. No associations were observed for change in weight, body composition, total cholesterol, triglycerides, or fasting glucose. In women, for example, for each 5‐mg/dL increment in prolactin, odds of incident hypercholesterolemia were 1.06, which was not significant (95% CI 0.91–1.23, P=0.46). Some exceptions were of note. In women, for each 5‐mg/dL increment in prolactin, we observed increased odds of low high‐density lipoprotein cholesterol at follow‐up (odds ratio 1.50, 95% CI 1.18–1.91, P=0.001) that persisted after adjustment for body mass index (P=0.001). In men, a 5‐mg/dL increment in prolactin was associated with increased odds of incident hypertension (odds ratio 1.61, 95% CI 1.18–2.20 P=0.002) and incident diabetes (odds ratio 1.70, 95% CI 1.04–2.78, P=0.03). Conclusions: Prolactin is not associated with a comprehensive panel of incident cardiovascular disease risk factors. Measurement of circulating prolactin levels in the community likely does not provide substantial insight into cardiometabolic risk.Other Sources
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4802489/pdf/Terms of Use
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