ASSOCIATION BETWEEN LOWER URINARY TRACT SYMPTOMS AND ERECTILE DYSFUNCTION

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Abstract
Our aim was to assess the association between lower urinary tract symptoms (LUTS) and erectile dysfunction by means of International Prostate Symptom Score (IPSS) and Sexual Health Inventory for Men (SHIM) questionnaire. A total of 69 eligible patients who were admitted to our outpatient clinic with lower urinary tract symptoms were included in the study. A self administered questionnaire of IPSS and SHIM were given to patients. Demographics and medical history data were recorded. Any risk factor that may be associated with erectile dysfunction, including coronary artery disease, diabetes, hypertension, and smoking status, was determined in each patient. Correlation tests were used to examine the relationship between lower urinary tract symptoms and erectile dysfunction by controlling the effects of age and comorbidities. Mean age was 58.6 ± 13.1 31–86 years. Mean SHIM and IPSS total score was 14.3 ± 7.5 and 11.5 ± 8.1, respectively. Spearman correlation coefficient between IPSS and SHIM scores was found to be −0.41. There was a significant negative correlation with IPSS total scores of moderate degree when both age and presence of risk factor was controlled (r = −0.31; p = 0.009). Storage symptom scores showed significant correlation with SHIM scores (r = −0.33; p = 0.000). The association between SHIM score and each item of IPSS showed significant correlation for urgency, straining and nocturia when age controlled. The degree of bother by LUTS as determined by the IPSS quality of life question was also correlated with SHIM scores; however, this correlation was not significant when age or risk factor for ED was controlled. The presence of LUTS especially storage symptoms is strongly associated with erectile dysfunction independent of age and comorbidities.