operated upon repeatedly for intestinal obstruction of adhesive origin, air has been put into the peritoneal cavity, after a complete lysis or freeing up of the adhesions was done, to mechanically separate the gut from the abdominal wall during the healing phase. Surprisingly good results have been obtained in a few such instances.Sodium ricinoleate, 1 %, papain 1-50,000, and amfetin and defibrinated rabbit's blood were found most efficacious in obviating adhesion formation after painting the traumatized peritoneal surface with iodine. Sodium ricinoleate would appear to be particularly valuable in that it is not rendered inactive in the presence of infection.McIverl and his associates have shown that gaseous distension of the stomach after abdominal operations is largely due to swallowed air. In mechanical obstructions of the gut, McIver' believes that decomposition of intestinal contents is probably the most important source of the gaseous distension. Wangensteen and Rea3 by excluding the swallowing of air by transecting the esophagus in the dog have indicated that swallowed air is probably the chief source of gaseous distension in mechanical obstructions of the small intestine as well.In this study the nature of the gases present in the distended intestine was subjected to chemical analysis. Determinations were made in a group of dogs with terminal ileal obstructions, the gut being divided a few centimeters proximal to the ileo-cecal sphincter ; in a similar group of dogs in which a preliminary esophagostomy had been made, and in a third group with closed intestinal loops.The gases of the obstructed intestine were analyzed with the 3 Wangensteen, Owen H., Arch. Surg., 1933, 26, 933.
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