The aim of this study was to investigate the incidence of erectile dysfunction (ED) in nonmuscle-invasive bladder cancer (NMIBC) patients before and after transurethral resection (TUR) in China. Clinical data from 165 male patients with NMIBC who received adjuvant intravesical chemotherapy after TUR in Neijiang First People's Hospital (Neijiang, China) between January 2010 and June 2019 were retrospectively reviewed. The sexual function of these patients was evaluated before and 1.5 years after initial TUR by the International Index of Erectile Function-5 (IIEF-5). An age-specific subanalysis was performed among the patients: <45 years old (Group 1, n = 19) and ≥45 years old (Group 2, n = 146). Before and 1.5 years after TUR, the incidence rates of ED in Group 1 were 15.8% and 52.6%, and those in Group 2 were 54.1% and 61.0%, respectively. The difference between groups was statistically significant at the preoperative stage (15.8% vs 54.1%, P = 0.002) but not at the postoperative stage (52.6% vs 61.0%, P = 0.562). Compared with the preoperative stage, the incidence of ED at the postoperative stage was increased significantly in Group 1 (15.8% vs 52.6%, P = 0.017) but not in Group 2 (54.1% vs 61.0%, P = 0.345). In conclusion, the incidence of ED increased in male NMIBC patients under the age of 45 years after TUR in China. These patients should be offered professional counseling during the follow-up period.

Keywords: erectile dysfunction; male sexual dysfunction; nonmuscle-invasive bladder cancer; transurethral resection

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