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The authors operated 18 dogs on whom they carried out a large duodenal defect which was then repaired, in the same operation, by an open pedunculated jejunal flap. They studied the progress of this flap and the quality of the duodenal repair. After about 4 months, on average, the animals were re-operated to check the quality of the repair and to see if the vascular peduncle could be cut. Section of the vasculature was well tolerated because of the development of very small vascular anastomoses.

The authors studied in a series of 23 dogs divided up into two groups the fate of the pancreatic stump treated either by pancreatico-jejunostomy with a Y loop, or by a simple ligature. They note that although the mortality is slightly higher in the anastomoses, histological lesions are constant in both series and are fairly similar. This agrees with the findings in man by Goldsmith and justifies ligature of the remaining pancreatic stump after cephalic duodeno-pancreatectomy.