期刊
COCHRANE DATABASE OF SYSTEMATIC REVIEWS
卷 -, 期 1, 页码 -出版社
WILEY
DOI: 10.1002/14651858.CD002187.pub3
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Background Erectile dysfunction is a common multi- factorial complication of diabetes mellitus. Numerous strategies have been tried to overcome this diabetic complication. In recent years, phosphodiesterase type 5 (PDE-5) inhibitors have been introduced in the management of erectile dysfunction. Objectives The objective of this review was to assess the effect of PDE-5 inhibitors on the management of erectile dysfunction in diabetic men. Search strategy Studies were obtained from computerised searches of MEDLINE, EMBASE and The Cochrane Library. Selection criteria Randomised controlled trials, in which treatment with PDE-5 inhibitors was compared to control, in diabetic patients with erectile dysfunction. Data collection and analysis Two reviewers independently extracted data and assessed trial quality. Main results Eight randomised controlled trials were identified. A total 976 men were allocated to receive a PDE-5 inhibitor and 741 were randomised to the control groups. Overall, 80% of the participants suffered from type 2 diabetes mellitus. The weighted mean difference (WMD) for the International Index of Erectile Function (IIEF) questions 3 and 4 (frequency of penetration during and maintaining erection to completion of intercourse) was 0.9 (95% CI 0.8 to 1.1) and 1.1 (95% CI 1.0 to 1.2) at the end of the study period, in favour of the intervention group. The WMD for the IIEF erectile dysfunction domain at the end of the study period was 6.6 (95% CI 5.2 to 7.9) in favour of the PDE-5 inhibitors arm. The relative risk (RR) for answering yes to a global efficacy question (did the treatment improve your erections?) was 3.8 (CI 95% 3.1 to 4.5) in the PDE-5 inhibitors compared with the control arm. The WMD between the percentage of successful attempts in the PDE-5 inhibitors and in the control arm was 26.7 (95% CI 23.1 to 30.3). Mortality was not reported in any of the included trials. Adverse cardiovascular effects were reported in one study. Headache was the most frequent adverse event reported, flushing was the second most common event, with upper respiratory tract complaints and flu like syndromes, dyspepsia, myalgia, abnormal vision and back pain also reported in a descending order of frequency. The overall risk ratio for developing any adverse reaction was 4.8 (CI 95% 3.74 to 6.16) in the PDE-5 inhibitors arm as compared to the control. Authors' conclusions Sufficient evidence exists that PDE-5 inhibitors form a care that improves erectile dysfunction in diabetic men.
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