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Omentoplasty for gastrotomy closure after natural orifice transluminal endoscopic surgery procedures (with video)

التفاصيل البيبلوغرافية
العنوان: Omentoplasty for gastrotomy closure after natural orifice transluminal endoscopic surgery procedures (with video)
المؤلفون: Dray X, Giday SA, Buscaglia JM, Gabrielson KL, Kantsevoy SV, Magno P, Assumpcao L, Shin EJ, Reddings SK, Woods KE, Marohn MR, Kalloo AN
المصدر: Gastrointestinal Endoscopy; Jul2009, Vol. 70 Issue 1, p131-140, 10p
مستخلص: INTRODUCTION: The utility of the greater omentum has not been assessed in transluminal access closure after natural orifice transluminal endoscopic surgery (NOTES) procedures. OBJECTIVE: Our purpose was to evaluate the feasibility, efficacy, and safety of omentoplasty for gastrotomy closure. METHODS AND PROCEDURES: Survival experiments in 9 female 40-kg pigs were randomly assigned to 3 groups: group A, endoscopic full-thickness resection (EFTR) for transgastric access and peritoneoscopy without closure; group B, ETFR and peritoneoscopy with omentoplasty (flap of omentum is pulled into the stomach and attached to the gastric mucosa with clips but no clips are used for gastrotomy closure itself); group C, balloon dilation for opening and peritoneoscopy followed by omentoplasty for closure. The animals were observed for 2 weeks and then underwent endoscopy and necropsy with histologic evaluation. RESULTS: Transgastric opening and peritoneoscopy were achieved in all pigs. In groups B and C, a flap of omentum was easily placed to seal the gastrotomy and then attached to the gastric mucosa with 2 to 5 clips (median 4) in 7 to 20 minutes (median 15 minutes). In group A, peritonitis developed in all animals. In both groups B and C, all animals survived 15 days with no peritonitis and minimal adhesions outside the gastrotomy site. In addition, all achieved complete healing (transmural, n = 4; mucosal ulceration, n = 2) of the gastrotomy site. One animal in group B had an 18-mm abscess in the omental flap. LIMITATIONS: Animal model, small sample size, lack of appropriate controls for group C. CONCLUSIONS: Omentoplasty of the gastrotomy site is a technically feasible method to seal balloon-created transgastric access to the peritoneal cavity after NOTES procedures. [ABSTRACT FROM AUTHOR]
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