World J Mens Health.  2018 Sep;36(3):263-270. 10.5534/wjmh.180042.

Postmicturition Dribble Is Associated with Erectile Dysfunction in Middle-Aged and Older Men with Lower Urinary Tract Symptoms

• Yang DY
• Ko K
• Lee SH
• Cho JS
• Lee SK
• Shin TY
• Lee WK

• KMID: 2419327
• DOI: http://doi.org/10.5534/wjmh.180042

Abstract

PURPOSE
Lower urinary tract symptoms (LUTS) are correlated with erectile dysfunction (ED), but research on whether postmicturition dribble (PMD) is related to ED is limited. We assessed the correlation between PMD and ED in middle-aged and older Korean men with LUTS.
MATERIALS AND METHODS
In our prospective, cross-sectional, observational, multicenter study, we enrolled 205 men (age >40 years) with LUTS. LUTS and ED were assessed using the International Prostate Symptom Score (IPSS) and International Index of Erectile Function-5 (IIEF-5), respectively. PMD was assessed using the Hallym PostMicturition Dribble Questionnaire, Question 1, and the PMD volume was calculated in a paper test. Age, prostate volume, serum prostate-specific antigen, maximum urinary flow rate, and postvoid residual urine were also evaluated.
RESULTS
There were significant differences in the total and voiding IPSS between men with and without ED (p=0.042 and 0.043, respectively). The Hallym PostMicturition Dribble Questionnaire 1 score was inversely well correlated with the IIEF-5 score (r=−0.388, p < 0.001). Also, the PMD volume was inversely correlated with the IIEF-5 score (r=−0.138, p=0.042). ED prevalence increased as the Hallym PostMicturition Dribble Questionnaire 1 score increased (p=0.002). Further, incorporating the Hallym PostMicturition Dribble Questionnaire 1 into the IPSS tended to increase the predictive accuracy of LUTS by 4.2% in ED patients (p=0.082).
CONCLUSIONS
PMD was significantly correlated with ED and reinforced the relationship between LUTS and ED in middle-aged and older men. PMD might be an important component of the association between LUTS and ED.

Keyword

Erectile dysfunction; Lower urinary tract symptoms; Men; Unination

MeSH Terms

Erectile Dysfunction*
Humans
Lower Urinary Tract Symptoms*
Male
Prevalence
Prospective Studies
Prostate
Prostate-Specific Antigen
Prostate-Specific Antigen

Figure

• 

  Fig. 1 The correlation between HPMDQ-Q1 and IIEF-5 score in men over 40 years old with lower urinary tract symptoms. The Pearson's correlation coefficient was −0.388. HPMDQ-Q1: Question 1 of Hallym PostMicturition Dribble Questionnaire (“Over the last month, how often have you experienced dribbling after voiding when you feel you have finished urination?”), IIEF-5: International Index of Erectile Function-5.

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