• Annals of surgery · Dec 2012

    Transanal employment of single access ports is feasible for rectal surgery.

    • Renée M Barendse, Pascal G Doornebosch, Willem A Bemelman, Paul Fockens, Evelien Dekker, and Eelco J R de Graaf.
    • Department of Gastroenterology and Hepatology, Academic Medical Center, Amsterdam, The Netherlands. R.M.Barendse@amc.nl
    • Ann. Surg.. 2012 Dec 1;256(6):1030-3.

    ObjectiveTo evaluate the feasibility of transanal single port surgery in 15 consecutive patients.BackgroundThe current method of choice for local resection of rectal tumors is transanal endoscopic microsurgery (TEM), a complex and expensive technique. Single access surgery is easy, relatively cheap, and more broadly applied in laparoscopy. Evidence regarding transanal use of single access ports is scarce.MethodsConsecutive patients with a rectal lesion otherwise eligible for TEM were operated using the Single Site Laparoscopic Access System (SSL) and standard laparoscopic instrumentation. Patient, lesion and procedure characteristics, hospitalization length, and peroperative and postoperative complications were recorded.ResultsFifteen patients were planned for single port transanal surgery. In 2 patients (13.3%), intrarectal retractor expansion failed, and conversion to conventional TEM was necessary. The remaining 13 patients were successfully operated. Rectal lesions (mean diameter 36 mm, standard deviation ±25 mm, mean distance from the dentate line 6 cm [±4.5]) included adenoma in 7 patients, T1 adenocarcinoma in 1, T2 adenocarcinoma in 3, carcinoid in 1, and fibrosis only in 1 (after prior polypectomy). All patients were operated in lithotomy position. Resections were en bloc, full thickness, and had complete margins. Resection specimens measured 65 (±35) × 52 (±24) mm. Twelve rectal defects were sutured. One peroperative pneumoscrotum occurred. Mean operating time was 57 (±39) minutes. One patient presented with postoperative hemorrhage, treated conservatively (postoperative morbidity rate 7.7%). Mean hospitalization lasted 2.5 days (±2.7).ConclusionsTransanal single port surgery via the SSL is feasible and safe and may become a promising alternative to TEM.

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