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Volume 11, Issue 6 (November 2009) 11, 663–668; 10.1038/aja.2009.62
Effects of obesity on lower urinary tract symptoms in Korean BPH patients
Seung Hwan Lee1, Joon Chul Kim2, Ji-Youl Lee2, Jang Hwan Kim1, Cheol Young Oh3, Seung Wook Lee4, Se Jeong Yoo1 and Byung Ha Chung1
1 Department of Urology, Yonsei University Health System, Seoul 135-720, Korea
2 Department of Urology, The Catholic University of Korea, Seoul 137-701, Korea
3 Department of Urology, Hallym University, Chuncheon 200-704, Korea
4 Department of Urology, Eulji Medical Center, Eulji University, Seoul 139-230, Korea
Correspondence: Dr Byung Ha Chung, chung646@yuhs.ac
Received 30 June 2009; Revised 3 August 2009; Accepted 20 August 2009; Published online 21 September 2009.
| Abstract |
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We analyzed the effects of obesity on lower urinary tract symptoms (LUTSs) in Korean benign prostatic hyperplasia (BPH) patients. This is a multicenter, cross-sectional, prospective study conducted in four centers in Korea. A total of 602 men with LUTSs secondary to BPH were included. BPH/LUTSs cases were men aged 40 years with international prostate symptom scores (IPSS) 8 points. Height, weight and waist circumference were measured. Among the 602 patients, 156 patients had a waist circumference above 90 cm, representing central obesity, and 215 patients had a body mass index above 25 kg m-2. Waist circumference was positively correlated with prostate volume (P = 0.034). Men with waist circumference > 90 cm experienced a 1.36-fold increased risk of severe LUTSs (95% CI 0.82–2.41) compared with men with waist circumference 90 cm. Prostate volume was positively correlated with urgency and nocturia in men with central obesity. In this population of Korean men diagnosed with BPH, central obesity rather than overall obesity seems to be the more important predictor of LUTSs correlated with BPH.
Keywords: benign prostatic hyperplasia, central obesity, lower urinary tract symptom, prostate
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