The pancreaticoduodenectomy (PD) procedure may lead to pancreatic exocrine and endocrine insufficiency. There are several types of reconstruction for this kind of operation. Pancreaticogastrostomy (PG) was introduced to reduce the rate of postoperative pancreatic fistula. Although some randomized control trials have shown no differences regarding pancreatic leakage between PG and pancreaticojejunostomy (PJ), recently some reports reveal benefits from the PG over the PJ. Some surgeons concern about the performing of the PG and inactivation of pancreatic enzymes being in contact with the gastric juice, and the detrimental results over the exocrine pancreatic function. The pancreatic exocrine function can be measured with direct and indirect tests. Direct tests have the highest sensitivity and specificity for detection of exocrine insufficiency but require tube placement. Among the tubeless indirect tests, the van de Kamer stool fat analysis remains the standard to diagnose fat malabsorption. The patient compliance and time consuming makes it not so suitable for its clinical use. Fecal immunoreactive elastase test is employed for screening of exocrine insufficiency, is not cumbersome, and has been used to study pancreatic function after resection. We analyze the FE1 levels in our patients after the PD with two types of reconstruction, PG and PJ, and we discuss some considerations about the pancreaticointestinal drainage method after pancreaticoduodenectomy. Core tip: Many patients present pancreatic exocrine insufficiency after pancreatic resection. Exocrine insufficiency leads to steatorrhoea, flatulence, abdominal pain, weight loss and malnutrition. Extent of resection will determine the severity of insufficiency, but also changes in anatomy may be determining factors. Pancreatogastrostomy is deemed detrimental over the pancreatic function because of the hypothetical inactivation of pancreatic enzymes due to the acid juice of the stomach. In this review we discuss the physiological aspects of the changes in exocrine pancreatic function focusing on the pancreatoenterostomy after a pancreaticoduodenectomy.Morera-Ocon FJ, Sabater-Orti L, Muñoz-Forner E, Pérez-Griera J, Ortega-Serrano J. Considerations on pancreatic exocrine function after pancreaticoduodenectomy. World J Gastrointest Oncol 2014; 6(9): 325-329 Available from:
The rate of choledocholithiasis at the time of elective surgery after mild acute biliary pancreatitis is still unclear because it decreases rapidly after the onset. The aims of this study are as follows: (1) To investigate whether the incidence of choledocholithiasis in mild biliary pancreatitis is higher than in patients with symptomatic cholelithiasis. (2) To evaluate the usefulness of intraoperative cholangiography in the diagnosis of unsuspected choledocholithiasis in mild pancreatitis. Prospective study including 130 patients undergoing laparoscopic surgery and classified into two groups: mild biliary pancreatitis (n = 44) and symptomatic cholelithiasis (n = 86). Choledocholithiasis was evaluated by endoscopic cholangiopancreatography, magnetic resonance, and intraoperative cholangiography. Preoperatively, choledocholithiasis was identified in five patients with symptomatic cholelithiasis and two with biliary pancreatitis (5.81 vs 4.54%; p = 0.472). In 117 cases (90%), intraoperative cholangiography was successfully performed, identifying unsuspected choledocholithiasis in five patients of the colelithiasis group and in three in the group of pancreatitis (5.81 vs 6.81%; p = 0.492). The total number of patients with choledocholithiasis in the whole series was 15 (11.5%); 11.6% in colelithiasis group vs 11.4% in biliary pancreatitis group; p = 0.605. The rate of choledocholithiasis was not significantly different between the groups of patients with mild acute biliary pancreatitis and symptomatic cholelithiasis. Intraoperative cholangiography identified unsuspected choledocholithiasis in 6.81% of patients with mild acute biliary pancreatitis.
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