Safety and efficacy of laser and cold knife urethrotomy for urethral stricture.

BACKGROUND: Endoscopic treatment for urethral stricture, including cold knife and laser, poses a major challenge to clinical practice. Both the benefits and drawbacks of these two treatments remain controversial. This article aimed to compare the efficacy and safety of laser and cold knife urethrotomy for urethral stricture. METHODS: We searched PubMed (1966 - 2009), Embase (1980 - 2009), Cochrane Central Register of Controlled Trials (CCRCT, …