Laparoendoscopic single-site retroperitoneoscopic nephrectomy for giant hydronephrosis.

PURPOSE

To report our experience and assess the feasibility and safety of laparoendoscopic single-site (LESS) retroperitoneoscopic nephrectomy for giant hydronephrosis.

PATIENTS AND METHODS

Between July 2011 and April 2013, 22 patients underwent LESS retroperitoneoscopic nephrectomy for giant hydronephrosis with nonfunctioning kidneys. A reusable elastic single-port device was inserted through the 2.5-cm incision at the midpoint between the costal arch and iliac crest on the midaxillary line. A rigid, 10-mm, 30° extra-long laparoscope was introduced for monitoring, and a combination of lengthened prebent and conventional laparoscopic instruments was used for handling. The operation procedure was similar to the conventional retroperitoneal laparoscopic nephrectomy.

RESULTS

LESS retroperitoneoscopic nephrectomy was completed in all patients without conversion to open surgery and the additional placement of ports. The mean operative time was 98 minutes (range 77-146), and estimated blood loss was 45 mL (range 20-120). No major intraoperative complications occurred. The postoperative period was uneventful in all patients and the mean hospital stay was 3.4 days (range 2-7).

CONCLUSIONS

LESS retroperitoneoscopic nephrectomy for giant hydronephrosis is technically feasible and safe for selected patients. The combination of conventional and prebent laparoscopic instruments represents an attractive option for retroperitoneoscopic LESS.