Abstract
Objective To summarize the experience and efficacy of non-clamping single-site transumbilical laparoscopic Anderson-Hynes dismembered pyeloplasty for UPJO (ureteropelvic junction obstruction) in infants and children. Methods The clinical data of 81 patients undergoing non-clamping single-site transumbilical laparoscopic pyeloplasty for UPJO were analyzed retrospectively between January 2015 and April 2015. There were 68 boys and 13 girls with a median age of 3.5 years (range, 11 days to 15 years). Hydronephrosis was left (n=57) and right (n=24). Ultrasonography, magnetic resonance urography (MRU) and MAG3 renogram scan were performed. A 4-0 traction line was passed through a point of 1.0-1.5 cm superior to the lower corner of pelvic lobe and the lowest point of ureteral incision for minimizing clamping of ureteral mucosa and renal pelvis during anastomosis. Results All operations were successful without any conversion into open procedure. The mean operative duration was 94(80~150) min, mean volume of estimated blood loss 15(10~50) ml and mean postoperative hospital stay 7(5~10) days. The abdominal drainage tubes were removed after a mean of 5(3~10) days. The mean follow-up time was 4.0 (3~6) months. All double-J stents were removed after 6-8 weeks. And abdominal surgical scar was minimal. Conclusions The non-clamping single-site transumbilical laparoscopic pyeloplasty is ideal for UPJO with a high success rate and excellent cosmetic outcomes. And it is worthy of wider clinical applications. Key words: Laparoscopes; Pyeloplasty; Child; Hydronephrosis
Published Version
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