ERCP has adverse events in the range of 6% to 15%.
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From a retrospective study: &
#34;392 patients had a normal MRCP of which 71 underwent an ERCP investigation demonstrating a CBD stone in 29 patients. A normal MRCP was found to have a 93% negative predictive value (NPV) and 89% probability of having no CBD stone demonstrated as well as no readmission due to gallstone disease within six months following MRCP.&
#34;
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78 patients with biliary pancreatitis underwent MRCP. The sensitivity of MRCP in detecting CBD stones was 93.3%. &
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#34;In 38 patients who underwent ERCP, the sensitivity and negative predictive value of MRCP in detecting CBD stones were both 100% regardless of the dilatation of the bile duct (≥7 mm versus &
#60; 7 mm).&
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