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KMID : 1038820200230020174
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Pediatric Gastroenterology, Hepatology & Nutrition
2020 Volume.23 No. 2 p.174 ~ p.179
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Successful Treatment with Rituximab and Immunoadsorption for an Auto-Antibody Induced Bile Salt Export Pump Deficiency in a Liver Transplanted Patient
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Quintero Jesus
Juamperez Javier
Gonzales Emmanuel
Julio Ecaterina
Mercadal-Hally Maria
Collado-Hilly Mauricette
Marin-Sanchez Ana
Charco Ramon
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Abstract
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We present an 8 years old girl who was diagnosed at 6 months of age of Progressive Familial Intrahepatic Cholestasis type 2. Although liver transplantation (LT) was classically considered curative for these patients, cholestasis recurrence with normal gamma-glutamyl transpeptidase (GGT), mediated by anti-bile salt export pump (BSEP) antibodies after LT (auto-antibody Induced BSEP Deficiency, AIBD) has been recently reported. Our patient underwent LT at 14 months. During her evolution, patient presented three episodes of acute rejection. Seven years after the LT, the patient presented pruritus with cholestasis and elevation of liver enzymes with persistent normal GGT. Liver biopsy showed intrahepatic cholestasis and giant-cell transformation with very low BSEP activity. Auto-antibodies against BSEP were detected therefore an AIBD was diagnosed. She was treated with Rituximab and immunoadsorption with resolution of the AIBD. As a complication of the treatment she developed a pneumocystis infection successfully treated with corticoids, cotrimoxazol and anidulafungin.
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KEYWORD
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Cholestasis, progressive familial intrahepatic 2, Liver transplantation, Child
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