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* Instructor, Department of Anesthesiology, University of Michigan Medical Center. Present appointment: Consultant Anaesthetist, The University and City Hospitals, Nottingham. Present ad-dress: Department of Anaesthesia, The City Hospital, Hucknall Road, Nottingham NG5 lPB, Great Britain.
Assistant Professor, Department of Anesthesiology, Univeristy of Michigan Medical Center.
Instructor, Department of Anesthesiology, University of Michigan Medical Center.
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.
Key Words: ANESTHESIA: biliary tract surgery COMPLICATIONS: choledochoduodenal sphincter spasm ANALGESICS: narcotic, fentanyl HORMONES: glucagon
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