title: Incidence of choledochoduodenal sphincter spasm during fentanyl-supplemented anesthesia.
abstract: One hundred patients were studied prospectively to assess the incidence of spasm of the choledochoduodenal sphincter during biliary tract surgery performed under a fentanyl-supplemented anesthetic technique. The incidence of failure of passage of contrast medium into the duodenum was 3%. In each of the three patients with cholangiographic evidence of sphincter spasm, contrast medium flowed freely into the duodenum after the intravenous administration of 2 mg of glucagon. It is concluded that spasm of the choledochoduodenal sphincter is an uncommon occurrence during fentanyl-supplemented anesthesia and that this method of anesthesia is suitable for biliary tract surgery.
mesh_terms: D014670:Ampulla of Vater / Q000187:drug effects*; D000768:Anesthesia, General / Q000379:methods; D002758:Cholangiography; D002763:Cholecystectomy; D003137:Common Bile Duct Diseases / Q000139:chemically induced; D004737:Enflurane; D005283:Fentanyl / Q000009:adverse effects*; D005934:Glucagon / Q000627:therapeutic use; D006221:Halothane; D006801:Humans; D013035:Spasm / Q000139:chemically induced; D009803:Sphincter of Oddi / Q000187:drug effects*
chemical_list: D005934:Glucagon; D004737:Enflurane; D005283:Fentanyl; D006221:Halothane