Laparoscopic Gastric Banding in the Rat Model as a Means of Videolaparoscopic Training

Authors: de Menezes Ettinger, João; Santos-Filho, Paulo; Oliveira, Pedro; Ázaro, Euler; Mello, Carlos; do Amaral, Paulo; Fahel, Edvaldo

Source: Obesity Surgery, Volume 16, Number 7, July 2006 , pp. 903-907(5)

Publisher: Springer

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Background: The development of laparoscopy in bariatric surgery has attracted a large number of surgeons. Learning this method for future clinical practice requires intensive training with inert tissues, simulators and experimental surgery in animals. Performing these procedures in small animals, with the same equipment used in humans, is feasible, allowing familiarization with and comprehension of the basic techniques. Wistar rats weighing 300-600 g were used. The animals were kept in standard laboratory conditions. A laparoscopic video-system, Veress needle, three ports, a 0° optic, a laparoscopic needle-holder, two 5-mm graspers, a 5-mm dissection clamp and a 5-mm scissors were used. An orogastric catheter with three 4-0 nylon sutures and one 6-0 nylon suture were also utilized. For the gastric band, we used a plastic device similar to the human gastric band. The present study describes a simple, inexpensive and reproducible technique for laparoscopic gastric banding in a rat model utilizing the same instruments developed for humans. The experimental rat model is more motivating than simulators, requires less space, and has easier maintenance compared with bigger animals, and consequently allows the use of more animals for teaching, training and application in many scientific studies.


Document Type: Research Article


Publication date: July 1, 2006

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