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학술저널
저자정보
송승훈 (차의과학대학교) 신동혁 (차의과학대학교) 허영선 (차의과학대학교 기초의학연구소 (미사용)) 오미희 (차의과학대학교 기초의학연구소 (미사용)) 백정원 (차의과학대학교 기초의학연구소) 성수예 (강남 차병원) 엄진희 (차의과학대학교) 허요한 (차의과학대학교) 김동석 (차의과학대학교)
저널정보
대한비뇨기과학회 Investigative and Clinical Urology Investigative and Clinical Urology Vol.62 No.3
발행연도
2021.1
수록면
354 - 360 (7page)

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Purpose: Phosphodiesterase type 5 (PDE5) inhibitors are effective treatments for erectile dysfunction, and several recent studies have reported positive effects of PDE5 inhibitors on semen parameters as well. However, the data are still controversial. We investigated the effect of PDE5 inhibitors on sperm function by analyzing sperm motility and acrosome reaction. Materials and Methods: This study included young healthy men who underwent fertility evaluation; 32 cases were finally included. Men were excluded if they used a PDE5 inhibitor within 2 weeks or if they had insufficient semen volume (≤2 mL), leukocytospermia, or a genitourinary infection. Changes in sperm motility and acrosome reaction were determined after in vitro exposure to the maximal semen concentration of oral intake of sildenafil (100 mg) or tadalafil (20 mg). Results: Mean age of the participants was 35.4±4.9 years, mean sperm concentration was 68.7±32.4 ×106/mL, and mean sperm motility was 50.38%±8.41%. All three groups (control, sildenafil, tadalafil) experienced trends of decreased average sperm motility over time, but these changes were not significant. There were no significant differences between the three groups in the acrosome reaction after 120 minutes of drug exposure, either. The maximal semen concentration of oral intake of sildenafil (100 mg) or tadalafil (20 mg) did not substantially affect sperm motility or acrosome reaction. Conclusions: Our results suggest that on-demand use of a PDE5 inhibitor is safe and useful for the male partner of an infertile couple; however, further studies are warranted for daily PDE5 inhibitor use.

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