Luiten, E.J.T.

patient pancreatitis pancreatic infection gram-negative necrosis group decontamination mortality colonization gram-negative pancreatic infection pancreatic infection antibiotic pancreatic necrosis treatment necrotizing pancreatitis control study control group score tract imrie chapter grade imrie score necrotizing trial analysis reduction disease balthazar sd group pancreas result balthazar grade culture tissue flora complication micro-organisms translocation death bacteria decontamination group gram-positive development prophylaxi effect table surgery sepsis antibiotic prophylaxis incidence prognostic prophylactic gram-negative infection randomized increase pancreatic infections pancreatic abscess figure beger treatment groups hospital difference course ranson imipenem factor buchler m prevention severity prophylactic antibiotics management number surveillance cultures gram-negative micro-organisms prognosis concentration regimen