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Revista Cubana de Cirugía

On-line version ISSN 1561-2945

Abstract

TORRES PENA, Rafael et al. Transumbilical endoscopic cholecystectomy: preclinical study of feasibility in a pig model. Rev Cubana Cir [online]. 2010, vol.49, n.2, pp. 0-0. ISSN 1561-2945.

INTRODUCTION. From 2007 transumbilical endoscopic surgery to become popular probably as a consequence of the not yet solved challenges that transluminal endoscopic surgery through natural orifices has faced for its application in the clinical practice. Up to date have been described the techniques of Transumbilical endoscopic surgery with flexible endoscopy, with multi-channels, with some trocars in a only incision, as well as different retraction systems like that of the suture retraction (marionette techniques) and the magnetic retraction. The aim of present research was to assess in a pig model the feasibility of a new Transumbilical endoscopic cholecystectomy technique. METHODS. A longitudinal and prospective study was conducted in 6 pigs weighing between 22 and 26 kg. The above mentioned technique was applied from a portal, with an only work channel and with a new vesicular retraction system (TORCAM). Animal were immediately sacrificed and the following variables were assessed: feasibility, exposition quality, adverse effects of retraction system, surgical time and postoperative macroscopic examination of surgical area. RESULTS. Retraction quality and gall bladder exposition were optimal in all cases, allowing the carrying out of surgical technique in the 100% of sample. There were neither complications nor adverse effects related to the vesicular retraction system. Average surgical time was of 46 minutes. CONCLUSIONS. The proposed transumbilical endoscopic cholecystectomy is a new technique demonstrating its feasibility in the animal model.

Keywords : Transumbilical endoscopic surgery; cholecystectomy; vesicular retraction system.

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