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  • Title: Erectile Dysfunction in Chronic Prostatitis/Chronic Pelvic Pain Syndrome: Outcomes from a Multi-Center Study and Risk Factor Analysis in a Single Center.
    Author: Zhang Y, Zheng T, Tu X, Chen X, Wang Z, Chen S, Yang Q, Wan Z, Han D, Xiao H, Sun X, Deng C.
    Journal: PLoS One; 2016; 11(4):e0153054. PubMed ID: 27120096.
    Abstract:
    The aim of this study was to investigate the prevalence of erectile dysfunction (ED) in patients with chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) and explore the influence of UPOINT domains, National Institutes of Health-CP symptom index (NIH-CPSI) and other factors on ED prevalence. This was a prospective study of consecutive patients with CP/CPPS seen at 11 tertiary hospitals during January-July 2014. ED was diagnosed as a score of<21 on the International Index of Erectile Function (IIEF-5). Patients from one center were evaluated by the UPOINT system and NIH-CPSI. Each patient was assessed using clinical examination, asocio-demographic questionnaire, the Patient Health Questionnaire (PHQ), the Pain Catastrophizing Scale (PCS), NIH-CPSI and IIEF-5.1406 patients from 11 centers (mean age, 32.18 years; range 18-60 years) were enrolled. ED was found in 638/1406 patients (45.4%), and was categorized as mild in 291(45.6%), moderate in 297(46.6%) and severe in50(7.7%). 192 patients from one center(mean age,31.3 years; range 18-57 years) were further studied.IIEF-5 score correlated negatively with NIH-CPSI(r = 0.251), PHQ (r = 0.355) and PCS (r = 0.322)scores (P<0.001).PHQ score correlated positively with NIH-CPSI (r = 0.586) and PCS(r = 0.662) scores (P<0.001).NIH-CPSI, PHQ, PCS and IIEF-5 scores did not differ significantly between class IIIA and IIIB CP/CPPS. Multivariate logistic regression showed that UPOINT psychological (P) domain and NIH-CPSI symptom severity were independent risk factors for ED in CP/CPPS. It is concluded that psychological factors and symptom severity are independent risk factors for ED in CP/CPPS.
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