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Prevalence and Significance of Autoantibodies in Children With Acute Liver Failure.


ABSTRACT: OBJECTIVES:The purpose of the present study is to estimate autoantibody (auto-AB) frequency, clinical characteristics, and 21-day outcome of participants in the Pediatric Acute Liver Failure Study Group (PALFSG) by antinuclear antibody, smooth muscle antibody, and liver-kidney microsomal (LKM) antibody status. METHODS:Auto-ABs were determined at local and/or central laboratories. Subjects were assigned to autoimmune hepatitis (AIH), indeterminate, and other diagnoses groups. RESULTS:Between 1999 and 2010, 986 subjects were enrolled in the PALFSG. At least 1 auto-AB result was available for 722 (73.2%). At least 1 auto-AB was positive for 202 (28.0%). Diagnoses for auto-AB+ subjects were AIH (63), indeterminate (75), and other (64). Auto-ABs were more common in Wilson disease (12/32, 37.5%) compared with other known diagnoses (52/253, 20.6%, P?=?0.03). LKM+ subjects were younger (median 2.4 vs 9.1 years, P?

SUBMITTER: Narkewicz MR 

PROVIDER: S-EPMC5250572 | biostudies-literature | 2017 Feb

REPOSITORIES: biostudies-literature

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Prevalence and Significance of Autoantibodies in Children With Acute Liver Failure.

Narkewicz Michael R MR   Horslen Simon S   Belle Steven H SH   Rudnick David A DA   Ng Vicky L VL   Rosenthal Philip P   Romero Rene R   Loomes Kathleen M KM   Zhang Song S   Hardison Regina M RM   Squires Robert H RH  

Journal of pediatric gastroenterology and nutrition 20170201 2


<h4>Objectives</h4>The purpose of the present study is to estimate autoantibody (auto-AB) frequency, clinical characteristics, and 21-day outcome of participants in the Pediatric Acute Liver Failure Study Group (PALFSG) by antinuclear antibody, smooth muscle antibody, and liver-kidney microsomal (LKM) antibody status.<h4>Methods</h4>Auto-ABs were determined at local and/or central laboratories. Subjects were assigned to autoimmune hepatitis (AIH), indeterminate, and other diagnoses groups.<h4>Re  ...[more]

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