一、胆道感染的概念胆道感染一般包括急性胆囊炎、急性胆管炎和急性梗阻性化脓性胆管炎。在正常情况下胆汁是无菌的,引起胆道感染的细菌大多直接从肠道经 Oddi 括约肌返流进入胆道。细菌也可来自门静脉或经淋巴系统进入胆道.出现在胆汁中的细菌在胆流的不断冲刷作用下可重新进入肠道。但在胆囊或胆管有梗阻时,胆汁淤积,细菌得以停留繁殖滋长,引起胆道感染。手 First, the concept of biliary tract infection Biliary tract infection, including acute cholecystitis, acute cholangitis and acute obstructive suppurative cholangitis. Under normal circumstances bile is sterile, most of the bacteria that cause biliary tract infection directly from the intestine through the Oddi sphincter reflux into the biliary tract. Bacteria can also come from the portal vein or through the lymphatic system into the biliary tract. Bacteria that appear in bile can re-enter the intestine with constant flushing of the bile flow. However, when the gallbladder or bile duct obstruction, cholestasis, bacteria to stop breeding and growth, causing biliary tract infections. hand