Evaluations of erectile dysfunction before and after on-pump coronary artery bypass graft surgery

Background: erectile dysfunction (ed) is common in cardiovascular disease (cvd) and indicates a complication of coronary artery bypass graft surgery (cabg). this study was designed to evaluate the status of erectile dysfunction in patients with cad before and after cabg surgery. methods: we designed a prospective cohort study on male patients candidates for elective on-pump cabg between june 2006 to october 2012 in 3 hospitals in sari, iran (fatemeh zahra, shafa and nime-shaban hospitals). patient's primary data were collected based on the international index of erectile function questionnaire (iief-5) at baseline 6 months after surgery. the severity of dysfunction was categorized as, normal, mild to moderate and moderate to severe based on iief score. results: four hundred twenty-six male patients with mean age of 58.69±12.49 years participated in this study. 166 patients had dm (38.96%) 230 patients with htn (54%). 307 patients had three-vessel impairment (72.07%) and 119 patients with one or two vessel impairment (27.93%). the severity of dysfunction results were at 15.02%, 18.07%, 23%, 31.92% and 11.97%, at base changed to 16.90%, 19.95%, 23.71%, 32.22% and 8.21%, respectively (p=0.01). also, the mean ±sd of iief-5 score before and after surgery was 13.95±5.44 and 14.20±5.69, respectively (p=0.001). conclusion: the result of our study shows that on-pump cabg surgery has a positive effect on the improvement of erectile dysfunction 6 months after surgery.