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  • Title: Evaluation of biliary complications on magnetic resonance cholangiopancreatography and comparison with direct cholangiography after living-donor liver transplantation.
    Author: Garg B, Rastogi R, Gupta S, Rastogi H, Garg H, Chowdhury V.
    Journal: Clin Radiol; 2017 Jun; 72(6):518.e9-518.e15. PubMed ID: 28118992.
    Abstract:
    AIM: To evaluate the imaging characteristics of biliary complications following liver transplantation on magnetic resonance cholangiopancreatography (MRCP) and its diagnostic accuracy in comparison with direct cholangiography. MATERIAL AND METHODS: In this prospective study, 34 patients being evaluated for possible biliary complications after living-donor liver transplantation (LDLT) with abnormal MRCP findings were followed up for information regarding direct cholangiography either endoscopic retrograde cholangiopancreatography (ERCP) or percutaneous transhepatic cholangiography (PTC) within 7 days of MRCP. Twenty-nine patients underwent ERCP and five patients underwent PTC. RESULTS: Compared to findings at direct cholangiography, MRCP presented 96.9% sensitivity, 96.9% positive predictive value, and 94.1% accuracy for the detection of biliary complications. The sensitivity, specificity, positive predictive value, negative predictive value, and accuracy for detection of anastomotic strictures, biliary leak, and biliary stone or sludge on MRCP was found to be 100%, 84.6%, 91.3%, 100% and 94.1%; 72.7%, 95.7%, 88.9%, 88% and 88.2%; 80%, 100%, 100%, 96.7% and 97.1%, respectively. CONCLUSION: MRCP is a reliable non-invasive technique to evaluate the biliary complications following LDLT. MRCP should be the imaging method of choice for diagnosis in this setting and direct cholangiography should be reserved for cases that need therapeutic interventions.
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