Pancreatoduodenectomy with occlusion of the residual stump by Neoprene® injection

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Abstract
Pancreatojejunal anastomosis disruption still represents the main postoperative complication after pancreatoduodenectomy. In this study, a technique of occlusion of the residual pancreatic stump instead of pancreatojejunal anastomosis is proposed. Between March, 1981 and August, 1987, we performed 51 pancreatoduodenectomies, using Neoprene®injection in the Wirsung duct, for carcinoma of the pancreatic head (28 cases), ampullary carcinoma (12 cases), islet cell carcinoma (5 cases), and chronic pancreatitis (6 cases). We observed a 33.3% overall morbidity, with a 5.8% operative mortality. The complications observed seemed not to be related to the technique of pancreatic stump occlusion, except for 2 pancreatic fistulas which spontaneously resolved. Abdominal ultrasound and computed tomography scan performed during the follow‐up did not show any significant morphological alteration of the residual stump. Pancreatic endocrine function was assessed in 10 patients by evaluating blood glucose, plasma insulin and plasma glucagon levels both fasting and after oral glucose, and intravenous arginine infusion. These tests were performed before surgery and 15 days, 6 months, 1, 2, and 3 years after surgery. The results showed that 60% of the patients had impaired glucose tolerance before surgery and the percentage did not significantly change up to 3 years later (75%). No patient developed diabetes mellitus, and only 1 patient progressed from a normal to an impaired glucose tolerance. In conclusion, intraductal injection of Neoprene®after pancreatoduodenectomy seems to be a safer procedure compared to pancreatojejunal anastomosis and does not induce a postsurgical diabetes.
Funding Information
  • Ministero della Salute