Metabolic factors associated with benign prostatic hyperplasia.

  • Parsons J
  • Carter H
  • Partin A
 et al. 
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CONTEXT Benign prostatic hyperplasia poses a significant public health problem, but its etiology remains unclear. Obesity and associated abnormalities in glucose homeostasis may play a role in benign prostatic hyperplasia development by influencing prostate growth. OBJECTIVE The objective of this study was to determine whether obesity, fasting plasma glucose concentration, and diabetes are associated with radiologically determined prostate enlargement, an objective measure of benign prostatic hyperplasia. DESIGN This study was a cross-sectional analysis with robust variance estimates to account for multiple measures over time in the same individuals. SETTING This prospective cohort study was composed of community volunteers. PATIENTS Patients studied were 422 adult men enrolled in The Baltimore Longitudinal Study of Aging. MAIN OUTCOME MEASUREMENTS Total prostate volume as determined by pelvic magnetic resonance imaging was measured. RESULTS Among 422 participants, 91 (21.6%) had prostate enlargement (defined as total prostate volume >/= 40 cc) at first visit. Compared with men of normal weight [body mass index (BMI) < 25 kg/m(2)], the age-adjusted odds ratio (OR) for prostate enlargement for overweight men (BMI, 25-29.9 kg/m(2)) was 1.41 (95% CI, 0.84-2.37), for obese men (BMI, 30-34 kg/m(2)) was 1.27 (95% CI, 0.68-2.39), and for severely obese men (BMI >/= 35 kg/m(2)) was 3.52 (95% CI, 1.45-8.56) (P = 0.01). Men with elevated fasting glucose (>110 mg/dl) were more likely to have an enlarged prostate than men with normal fasting glucose (

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  • J Kellogg Parsons

  • H Ballentine Carter

  • Alan W Partin

  • B Gwen Windham

  • E Jeffrey Metter

  • Luigi Ferrucci

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