New England Research Institutes, Watertown, Massachusetts.

In this study we investigated the relationship between lower urinary tract symptoms as defined by the American Urological Association symptom index and the metabolic syndrome, and determined the relationship between individual symptoms comprising the American Urological Association symptom index and the metabolic syndrome.

The Boston Area Community Health Survey used a 2-stage cluster design to recruit a random sample of 2,301 men 30 to 79 years old. Analyses were conducted on 1,899 men who provided blood samples. Urological symptoms comprising the American Urological Association symptom index were included in the analysis. The metabolic syndrome was defined using a modification of the Adult Treatment Panel III guidelines. The association between lower urinary tract symptoms and the metabolic syndrome was assessed using odds ratios and 95% confidence intervals estimated using logistic regression models.

Increased odds of the metabolic syndrome were observed in men with mild to severe symptoms (American Urological Association symptom index 2 to 35) compared to those with an American Urological Association symptom index score of 0 or 1 (multivariate OR 1.68, 95% CI 1.21-2.35). A statistically significant association was observed between the metabolic syndrome and a voiding symptom score of 5 or greater (multivariate adjusted OR 1.73, 95% CI 1.06-2.80) but not for a storage symptom score of 4 or greater (multivariate adjusted OR 0.94, 95% CI 0.66-1.33). Increased odds of the metabolic syndrome were observed even with mild symptoms, primarily for incomplete emptying, intermittency and nocturia. These associations were observed primarily in younger men (younger than 60 years) and were null in older men (60 years old or older).

The observed association between urological symptoms and the metabolic syndrome provides further evidence of common underlying factors between lower urinary tract symptoms and chronic conditions outside the urinary tract.

Written by:
Kupelian V, McVary KT, Kaplan SA, Hall SA, Link CL, Aiyer LP, Mollon P, Tamimi N, Rosen RC, McKinlay JB.   Are you the author?

Reference:
J Urol. 2009 Jun 17. Epub ahead of print.
doi:10.1016/j.juro.2009.04.025

PubMed Abstract
PMID:19539955

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