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Surg Endosc. 2011 Jul;25(7):2117-24. doi: 10.1007/s00464-010-1506-z. Epub 2010 Dec 18.

Laparoendoscopic single-site retroperitoneoscopic adrenalectomy: a matched-pair comparison with the gold standard.

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Department of Urology, Chinese People's Liberation Army General Hospital, Military Postgraduate Medical College, 28 Fuxing Road, Haidian District, 100853, Beijing, China.



Laparoscopic adrenalectomy has become the gold-standard for the surgical treatment of most adrenal lesions. This study evaluated the operative outcome of laparoendoscopic single-site (LESS) retroperitoneoscopic adrenalectomy (LESS-ARA) in comparison with the current standard operation procedure.


Between June and December 2009, 19 patients underwent LESS-ARA, and their outcomes were compared with a contemporary 1:2 matched-pair cohort of 38 patients who underwent standard ARA by the same surgeon. In LESS-ARA, a multichannel port was inserted through a 2.5- to 3.0-cm transverse skin incision below the tip of the 12th rib. The LESS-ARA procedure was performed using a 5-mm 30º laparoscopic camera and two standard laparoscopic instruments. The following parameters were compared between the two groups: demographics, details of the surgery, perioperative complications, postoperative visual analog pain scale score, analgesic requirement, and short-term measures of convalescence.


The finding showed that LESS-ARA and standard ARA were comparable in terms of the estimated blood loss (30 vs 17.5 ml; p=0.64), postoperative hospital stay (6 vs 6 days; p=0.67), and postoperative complications (2 vs 3 patients; p=1.00) for patients with similar baseline demographics and median tumor size (2.1 vs 3.0; p=0.18) cm. The intraoperative hemodynamic values were similar in the two groups. The LESS-ARA group had a longer median operative time (55 vs 41.5 min; p=0.0004), whereas the in-hospital use of analgesics was significantly less (5 vs 12 morphine equivalents; p=0.03).


The LESS retroperitoneoscopic adrenalectomy approach is feasible and offers a superior cosmetic outcome and better pain control, with perioperative outcomes and short-term measures of convalescence similar to those of the standard approach, albeit with a longer operative time.

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