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Zhonghua Nan Ke Xue. 2013 Nov;19(11):991-5.

[PDE5 inhibitors for the management of temporary penile erectile dysfunction during treatment with assisted reproductive technology].

[Article in Chinese]

Author information

  • Department of Reproductive Medicine, First Affiliated Hospital of Wenzhou Medical College, Wenzhou, Zhejiang 325000, P.R. China.

Abstract

OBJECTIVE:

To evaluate phosphodiesterase type 5 (PDE5) inhibitors in the management of temporary penile erectile dysfunction (ED) in patients undergoing assisted reproductive technology (ART).

METHODS:

This study included 75 male patients that experienced ejaculation failure due to temporary ED during ART treatment. We treated the patients with PDE5 inhibitors sildenafil, tadanafil and vardenafil, and then evaluated the hardness of penile erection using Erection Hardness Score (EHS) and analyzed the end-point efficacy.

RESULTS:

Sildenafil was administered to 28 of the patients, tadanafil to 25, and vardenafil to 22. Of the total number of patients, 61 (81.3%) achieved effective erection, but no significant differences were observed in the rate of effectiveness among the sildenafil (24 cases, 85.7%), tadanafil (20 cases, 80.0%) and vardenafil (17 cases, 77.3%) groups (P > 0.05). After medication, 53 (70.7%) of the patients successfully ejaculated, but there were no remarkable differences in the success rate among the sildenafil (21 cases, 75.0%), tadanafil (17 cases, 68.0%) and vardenafil (15 cases, 68.2%) groups (P > 0.05). Of the 75 patients, 37 received the recommended initial dose and 38 the maximum recommended dose of PDE5 inhibitors, but no significant differences were found in the rate of successful sperm retrieval between the former (28 cases, 75.7%) and the latter group (25 cases, 65.8%) (P > 0.05). Mild adverse events, including transient flush and dizziness, occurred in 5 cases (6.7%).

CONCLUSION:

PDE5 inhibitors can help temporary ED patients to achieve penile erection and ejaculation during ART treatment.

PMID:
24341092
[PubMed - in process]
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