Risk Factors for Postoperative Urinary Retention After Endoscopic Hernia Repair: Age and Unilateral Operation make the Difference.

Advanced age and unilateral inguinal hernia repair, possibly due to a lack of catheterization, were risk factors for POUR. Due to increasing outpatient inguinal hernia repairs worldwide, it is imperative to identify patients who are at risk of POUR to apply prophylactic measures and reduce readmission, and thus, reduce health-care costs.