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Medline ® Abstract for Reference 5

of 'Diagnostic approach to the adult with jaundice or asymptomatic hyperbilirubinemia'

5
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Bile duct stones and laparoscopic cholecystectomy: a decision analysis to assess the roles of intraoperative cholangiography, EUS, and ERCP.
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Sahai AV, Mauldin PD, Marsi V, Hawes RH, Hoffman BJ
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Gastrointest Endosc. 1999;49(3 Pt 1):334.
 
BACKGROUND: The least costly management strategy for patients undergoing laparoscopic cholecystectomy is unclear.
METHODS: A decision model incorporating cost ratios, test accuracy, complication, and failure rates was used to determine the costs of 4 peri-laparoscopic cholecystectomy strategies: endoscopic retrograde cholangiopancreatography (ERCP), intraoperative cholangiography (IOCG), endoscopic ultrasound (EUS), and expectant management.
RESULTS: Expert IOCG is least costly for intermediate-risk patients when the risk of stones is between 17% and 34%. If expert EUS is available, 0% to 10% ("low" risk) merits expectant management; 11% to 55% ("intermediate" risk) merits EUS; and greater than 55% ("high" risk) merits ERCP. Thresholds were most sensitive to changes in the risks of symptoms and complications due to retained stones; and to procedural costs, sensitivity, and success rates. Neither IOCG nor EUS appears likely to reduce overall costs unless their accuracy and success rates are greater than 90% and their procedural cost is less than 60% to 70% thatof ERCP. When neither are available, ERCP is preferable when the risk of stones is greater than 22%. Thresholds were relatively insensitive to changes in the risk and severity of ERCP-induced pancreatitis.
CONCLUSIONS: The least costly strategy for laparoscopic cholecystectomy patients depends primarily on the risk of stones and stone-related symptoms, but procedural costs and operator expertise are also critical.
AD
Digestive Disease Center, Medical University of South Carolina, Charleston, South Carolina 29425-2223, USA.
PMID