Abstract
The use of transperitoneal robotic-assisted procedures for ureterovesical junction (UVJ) anomalies in pediatric patients is increasing. However, the extra-peritoneal approach potentially less invasive, remains underexplored with robotic approach in pediatric patients. We present our experience of robot-assisted extra-vesical laparoscopic extra-peritoneal UVJ surgery. Extraperitoneal access was made through a 1,5cm horizontal incision below the umbilicus. Digital dissection was performed under the rectus fascia to the pubic symphysis. The space was further developed under direct vision with laparoscope. The Da Vinci Xi platform was docked after the placement of 4 robotic 8mm-trocars and an 8mm assistant port. We performed extraperitoneal robot-assisted laparoscopic UVJ surgery in 3 patients: - Case 1: 9-year-old boy: left-sided ureterectomy, UV reimplantation (UVR) with psoas hitch for a symptomatic mega-ureter. - Case 2: 13-year-old girl: right-sided VUR on a duplex system treated with an extravesical Lich-Gregoir antireflux plasty. - Case 3: 8-year-old boy: left-sided bladder diverticulectomy with UVR. There is no complication above Clavien 2 and no recurrence of febrile UTI during the follow-up period (from 6 to 17 months). Extra-peritoneal robotic approach for UVJ surgery further for UVR in pediatric urology seems feasible with good short-term result even for the complex ones.
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