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Nihon Hinyokika Gakkai Zasshi. 2001 Mar;92(3):464-9.

[Sexual function in men with lower urinary tract symptoms].

[Article in Japanese]

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Department of Urology, Hiroshima City Hospital.



Recently there have been several alternatives not only to improve symptoms but to retain an acceptable quality of life as well as to reduce the complications. Therefore the objective of this study was to evaluate quantitatively and qualitatively the degree of erectile dysfunction in the population of men with lower urinary tract symptoms (LUTS).


Total 252 men with LUTS were investigated using the International Prostate Symptom Score (I-PSS) and sexual function inventory (SFI) consisting of sexual drive, erection and ejaculation. Spearman's rank order correlation was used to determine the degree of any correlation between age, the total I-PSS, the individual I-PSS questions and the various sexual function scores.


208 patient data were available for analysis. There were poor function patients in 67.8% for sexual drive, in 46.2% for erection and in 47.1% for ejaculation. On the other hand, 24% considered their sexual drive to be a big or medium problem, 20.7% for erection and 18.3% for ejaculation. Overall, 27.4% of the men were mostly or very dissatisfied with their sex life. There was a significant correlation between a patient's age and his score for each of the three sexual variables (p < 0.05). Furthermore, a significant correlation was noticed between the total I-PSS and the SFI score (p < 0.05). It might be suggested that the more symptomatic a patient for LUTS, the poorer his sexual function will be.


About 20% men with LUTS are bothered by their sexual symptoms. Erectile dysfunction in dependent of age and the extent of LUTS. Consideration of the high population of erectile dysfunction in men with LUTS is necessary to the treatment of their urinary symptoms.

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