Abstract
ObjectiveTo investigate the physiopathology of ejaculatory disorders (EjD) and discriminate between retrograde ejaculation (REj) and anejaculation (AEj) induced by α1A-blockers, through the association between the mean postorgasm seminal vesicle volume and the presence of sperm in midstream urine, in patients with moderate-to-severe lower urinary tract symptoms (LUTS) secondary to benign prostatic enlargement. Materials and MethodsTherapy-naïve male patients with LUTS and without previous EjD were treated with α1A-blockers. Pre- and post-treatment EjD were investigated through question 4 of the 4-item Male Sexual Function questionnaire and the Male Sexual Health Questionnaire for Ejaculatory Dysfunction Short Form (MSHQ-EjD-SF). After 12 weeks, postorgasm urine was collected for sperm count and seminal vesicle volume was calculated through transrectal ultrasound. ResultsAll 42 patients reported with EjD after treatment with α1A-blockers: 4-item Male Sexual Function questionnaire and MSHQ-EjD-SF Q4 scores were significantly higher (P <.001) and MSHQ-EjD-SF Q1-3 score was significantly lower (P <.001) than before. Postorgasm seminal vesicle volume was significantly higher in patients with postorgasm sperm-negative urine (AEj), and lower in patients with postorgasm sperm-positive urine (REj; P <.001). ConclusionWe clearly demonstrated an association between the presence of sperm in the midstream urine and seminal vesicle volume after orgasm, strongly confirming and differentiating the hypothesis of a dual etiology for EjD (REj vs AEj) secondary to α1A-blockers therapy for LUTS.
Published Version
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