This observational study aims to prove the safety and efficacy of a modified method of reconstruction after pancreatic head resection utilizing a single Omega shaped intestinal Loop with an additional anastomosis between the pancreatic and biliary anstomoses. This simple and fast method is expected to provide the advantages of a double-loop reconstruction without adding time and difficulty to the reconstruction process during pancreaticoduodenectomy. The additional intestinal anastomosis should allow Diversion of pancreatic Juice from bile thus reducing the severity of possible postoperative pancreatic Fistula, especially in the subgroup of patients undergoing a pancreaticoduodenectomy and having a high-risk pancreatic remnant, i.e. very soft, fragile and fatty pancreas with a tiny, non-dilated pancreatic main duct. The Primary Point of the study ist the severity of postoperative pancreatic Fistula, as well as the total rate of severe postoperative complications, defined as Grade 3b or more according to the classification of Dindo-Clavien.
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Severity of postoperative pancreatic fistula
Timeframe: from postoperative day 3 until postoperative day 30