Korean J Urol.  2013 Jan;54(1):31-35.

Risk Factors for Failure of Early Catheter Removal After Greenlight HPS Laser Photoselective Vaporization Prostatectomy in Men With Benign Prostatic Hyperplasia

  • 1Department of Urology, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, Korea. ksw1227@catholic.ac.kr


To assess the risk factors for developing urinary retention after removal of the urethral catheter on postoperative day 1 in benign prostatic hyperplasia patients who underwent Greenlight HPS laser photoselective vaporization prostatectomy (PVP).
The study included 427 men who underwent Greenlight HPS laser PVP between 2009 and 2012, excluding patients in whom a catheter was maintained for more than 1 day because of urethral procedures. In all patients, a voiding trial was performed on postoperative day 1; if patients were unable to urinate, the urethral catheter was replaced before hospital discharge. The patients were divided into two groups: early catheter removal (postoperative day 1) and late catheter removal (urethral catheter reinsertion). Preoperative and perioperative parameters were compared between the groups.
Catheters were successfully removed in 378 (88.6%) patients on postoperative day 1. In 49 patients, the catheters were reinserted and removed a mean of 6.45+/-0.39 days after surgery. In a multivariate analysis, a history of diabetes was the most significant predictor (p=0.028) of failure of early catheter removal, followed by operative time (p=0.039). There were no significant differences in age, prostate volume, International Prostate Symptom Score, or urodynamic parameters between the two groups.
It is feasible, safe, and cost-effective to remove the urethral catheter on postoperative day 1 after Greenlight HPS laser PVP, but the procedure should be done carefully in patients who have history of diabetes or an extended operative time.


Laser therapy; Prostatic hyperplasia; Urethral catheterization
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