Harst, E. van der

patient study surgery group pancreatitis complication hospital treatment necrosis drainage mortality table disease procedure result diverticulitis pancreatic preoperative preoperative biliary drainage tumor analysis failure organ failure admission biliary surgeon center level department hinchey necrotizing pancreatitis resection outcome netherland intervention organ necrosectomy signi postoperative laparoscopic trial leakage anastomosis cancer number blood score probiotic university pancreatic necrosis emergency surgery colorectal value necrotizing rectal emergency endoscopic hernia rotterdam severity repair signi ficantly journal chromosome colon approach infection bowel survival range technique operation plasma peritoniti ficant pheochromocytoma step-up approach uptake tumour erasmu