Endoscopic gastrojejunostomy with survival in a porcine model

Sergey V Kantsevoy, Sanjay B Jagannath, Hideaki Niiyama, Sydney S C Chung, Peter B Cotton, Christopher J Gostout, Robert H Hawes, Pankaj J Pasricha, Carolyn A Magee, Cheryl A Vaughn, David Barlow, Hideki Shimonaka, Anthony N Kalloo
Gastrointestinal Endoscopy 2005, 62 (2): 287-92

BACKGROUND: We have previously reported the feasibility and the safety of an endoscopic transgastric approach to the peritoneal cavity in a porcine model. We now report successful performance of endoscopic gastrojejunostomy with survival.

METHODS: All procedures were performed on 50-kg pigs, with the pigs under general anesthesia, in aseptic conditions with sterilized endoscopes and accessories. The stomach was irrigated with antibiotic solution, and a gastric incision was performed with a needle-knife and a sphincterotome. A standard upper endoscope was advanced through a sterile overtube into the peritoneal cavity. A loop of jejunum was identified, was retracted into the stomach, and was secured with sutures while using a prototype endoscopic suturing device. An incision was made into the jejunal loop with a needle-knife, and the filet-opened ends of the jejunal wall were secured to the gastric wall with a second line of sutures, completing the gastrojejunostomy.

OBSERVATIONS: Two pigs survived for 2 weeks. Endoscopy and a radiographic contrast study performed after gastrojejunostomy revealed a patent anastomosis with normal-appearing gastric and jejunal mucosa. Postmortem examination demonstrated a well-healed anastomosis without infection or adhesions.

CONCLUSIONS: The endoscopic transgastric approach to create a gastrojejunostomy is technically feasible and can be performed, with survival, in a porcine model.

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