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  • Title: Transumbilical approach for laparo-endoscopic single-site adrenalectomy: initial experience and short-term outcome.
    Author: Miyajima A, Hattori S, Maeda T, Hasegawa M, Takeda T, Kikuchi E, Asanuma H, Nakagawa K, Oya M.
    Journal: Int J Urol; 2012 Apr; 19(4):331-5. PubMed ID: 22168573.
    Abstract:
    OBJECTIVES: To report our initial experience with transumbilical laparo-endoscopic single-site adrenalectomy for adrenal tumors by using a single port with a multichannel cannula and bent laparoscopic instrumentation. METHODS: Between December 2009 and December 2010, 30 patients underwent transumbilical laparo-endoscopic single-site adrenalectomy at our hospital. The procedure was carried out for adrenal cortical adenoma in 17 patients, adrenal pheochromocytoma in seven patients and other types of tumors in six patients. A multichannel port, bent laparoscopic instruments and Opti4 laparoscopic electrodes were used in all patients. The intraperitoneal space was approached through the umbilicus. The multichannel port was placed through a 2-cm incision at the inner edge of the umbilicus. A 5-mm flexible laparoscope was introduced to maintain an adequate laparoscopic view, and surgical specimens were extracted using an Endocatch bag. RESULTS: All procedures were successfully completed, with only one incision through the umbilicus, and without conversion to a standard laparoscopic approach. Mean operative time was 120.1 ± 34.7 min. Tumor laterality and patient body mass index did not affect surgical morbidity. The initial 15 patients had a significantly longer mean pneumoperitoneum time (95.8 ± 37.5 min) than the last 15 patients (70.5 ± 18.7 min). Only one postoperative complication was observed (postoperative hematoma). CONCLUSIONS: A transumbilical approach for laparo-endoscopic single-site adrenalectomy is safe and feasible, and it results in superior cosmesis. Improvements in surgical devices might facilitate further development of this approach.
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