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Bile composition in Alagille Syndrome and PFIC patients having Partial External Biliary Diversion

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Author(s): Emerick Karan | Elias Marc | Melin-Aldana Hector | Strautnieks Sandra | Thompson Richard | Bull Laura | Knisely AS | Whitington Peter | Green Richard

Journal: BMC Gastroenterology
ISSN 1471-230X

Volume: 8;
Issue: 1;
Start page: 47;
Date: 2008;
Original page

ABSTRACT
Abstract Background Partial External Biliary Diversion (PEBD) is a surgical intervention to treat children with Progressive Familial Intrahepatic Cholestasis (PFIC) and Alagille syndrome (AGS). PEBD can reduce disease progression, and examining the alterations in biliary lipid composition may be a prognostic factor for outcome. Methods Biliary lipid composition and the clinical course of AGS and PFIC patients were examined before and after PEBD. Results Pre-PEBD bile from AGS patients had greater chenodeoxycholic/cholic acid (CDCA/CA), bile salt, cholesterol and phospholipid concentrations than PFIC patients. AGS patients, and PFIC patients with familial intrahepatic cholestasis 1 (FIC1) genotype, responded better to PEBD than PFIC patients with bile salt export protein (BSEP) genotype. After successful PEBD, AGS patients have higher biliary lipid concentrations than PFIC patients and PEBD also increases biliary phospholipid concentrations in FIC1 patients. Conclusion Both AGS and FIC1 patients can benefit from PEBD, and preserved biliary phospholipid concentrations may be associated with better outcomes post-PEBD.
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