Is peri-operative urethral catheter drainage enough? The case for stentless pediatric robotic pyeloplasty

Robotic stentless pyeloplasty is a feasible alternative to conventional methods, with excellent success rates and minimal complications. Importantly, this technique circumvents the need for a second procedure and the associated risks of anesthesia.Table. Summary of patient demographics and operative results.DismemberedBypassPre-operative variablesPatients, n819Mean age, months (range)32.6 (44-157)21.8 (6-122)Male gender, n611Presumed cause of obstructionCrossing vessel, n80Intrinsic narrowing, n05High insertion, n06Combination (IN + HI)08Outcome variablesMean follow-up time, months (range)6.2 (4-18)8.8 (4-21)Mean length of stay, hours (range)20.6 (11-46)20.1 (14-23)3-month USG resultsResolution of hydronephrosis, n53Improvement of hydronephrosis, n014No change of hydronephrosis, n32Worsening of hydronpehrosis, n00HI, high insertion; IN, intrinsic narrowing; USG, Ultrasound