Acute pancreatitis Why use antibiotics

Acute pancreatitis is the role of pancreatic secretion of trypsin in the pancreas itself. Their own pancreas caused digestive process. It is a chemical inflammation, no fine Yin participation, but the treatment of acute pancreatitis, clinicians often use antibiotics, which is why?
We know that the common bile duct and pancreatic duct openings in the duodenum, gallstones, cholangitis caused by bile reflux, pancreatic juice drainage impeded, is the cause of pancreatitis, as these anatomical physiological factors, acute pancreatitis, very easy with pancreatic bacterial infection. In addition, since the illness pancreatitis often heavier, to fasting, the patient drop resistance, high incidence of lung infection and abdominal infection in order to actively prevent infection, pancreatitis commonly used antibiotics.
Pancreatitis, commonly used antibiotic ampicillin, gentamicin, Pioneer adriamycin, such as intravenous metronidazole.