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Published on: April 1, 2015
Plasma transfusion combined with chelating therapy alleviates fulminant Wilson's disease with a single Arg778Leu
Longgen Liu1, Qing Gong2, Juan Liu2
1Institute of Hepatology, The Third People's Hospital of Changzhou, Changzhou, Jiangsu 213000, China; Department of Liver Diseases, The Third People's Hospital of Changzhou, Changzhou, Jiangsu 213000, China.
Abstract:
Wilson's disease (WD), resulting from homozygote and compound heterozygote mutations in ATB7B, is an autosomal recessive disease. WD associated acute liver failure (ALF) is fatal, and a revised Wilson's disease prognostic index (RWPI) >11 is a reliable indication of liver transplantation (LT) or artificial liver support (ALS). We described a WD patient who initially presented with ALF and severe hemolytic anemia. A single heterozygote c.2333G>T mutation (p. Arg778Leu, R778L) in ATP7B was screened by whole exome sequencing and validated by Sanger sequencing. Rapid diagnostic criteria (ALP/TBIL <4 and AST/ALT >2.2) are suitable for early diagnosis. Although the RWPI amounted to 15, the patient recovered after intermittent plasma transfusion and subsequent chelating therapy without LT or ALS. In conclusion, WD patients with a single R778L heterozygote mutation can present with ALF as the initial clinical manifestation, and intermittent plasma transfusion combined with chelating therapy may alleviate fulminant WD without LT or ALS.
