Patients who spontaneously improve generally undergo elective laparoscopic cholecystectomy. Elective cholangiography in these patients remains controversial. However, the advent of MRI cholangiography may make imaging of the biliary tree noninvasive and simple. Prognosis Ranson's 11 prognostic signs help estimate the prognosis of acute pancreatitis. However, if the swollen pancreas is edematous but its microcirculation is intact, there is uniform enhancement of the parenchyma.
Pancreatic necrosis is associated with increased morbidity, mortality, and likelihood of infection.
IV contrast agents should be used cautiously if there is renal impairment. Thus, contrast-enhanced CT should be performed only after a patient has been adequately hydrated. Insertion of a nasogastric tube and removal of gastric fluid and air are helpful if nausea and vomiting persist or ileus is present. Fasting is maintained for 2 wk and possibly 3 to 4 wk. A nasogastric tube usually counteracts vomiting and intestinal ileus.