OBJECTIVE To report the results of mini-laparoscopic pyeloplasty (mLP) in an adult population. The feasibility of pure mLP has been previously reported in children. MATERIAL AND METHODS From April 2009 to February 2010, 10 patients with ureteropelvic junction obstruction (UPJO) were enrolled in this prospective study and underwent pure mLP (using only 3-mm instruments) according to the Anderson-Hynes technique. Inclusion criteria were: age >18 years, body mass index <25, primary UPJO, and no previous surgery on the affected kidney or a history of major abdominal surgery. Demographic and perioperative data, as well as 1-, 3-, 6-, and 12-month follow-up data were collected. RESULTS The mean operative time was 134 minutes, and blood loss was negligible. All procedures but one were completed using only 3.9-mm ports and 3-mm instruments. No perioperative complications occurred, and no patients had computed tomography evidence of hydronephrosis at 6 months after surgery. No functional obstructions were visualized with renal scintigraphy at 12 months after surgery. All patients were satisfied with the intervention and with their cosmetic results, as assessed by the Patient Scar Assessment Questionnaire and Scoring System. CONCLUSIONS The results of our study suggest that pure mLP in an adult population is feasible and seems to be safe and effective in the treatment of UPJO. Furthermore, the patients tolerated the procedure well and appreciated its excellent cosmetic results. Further studies are required to determine the true advantages of mLP over standard laparoscopy.
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