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Comparative Study
. 2017 Dec;29(12):1408-1415.
doi: 10.1097/MEG.0000000000000975.

Autoimmune acute liver failure and seronegative autoimmune liver disease in children: Are they different from classical disease?

Vikas Jain  1 , Anshu Srivastava, Surender K Yachha, Niraj Kumari, Rachana Kathuria, Moinak S Sarma, Ujjal Poddar, Narendra Krishnani
Affiliations
Comparative Study

Autoimmune acute liver failure and seronegative autoimmune liver disease in children: Are they different from classical disease?

Vikas Jain et al. Eur J Gastroenterol Hepatol. 2017 Dec.

Abstract

Objectives: Presentation as autoimmune acute liver failure (AI-ALF) and seronegative autoimmune liver disease (SN-AILD) represents two uncommon variants of AILD. We compared the clinical profile and outcome of AI-ALF with autoimmune-non-acute liver failure (AI-non-ALF) and also SN-AILD with seropositive autoimmune liver disease (SP-AILD).

Materials and methods: Children managed as AI-ALF and AI-non-ALF including SN-AILD and SP-AILD were enrolled and compared. AI-non-ALF was diagnosed by simplified diagnostic criteria and AI-ALF by Pediatric Acute Liver Failure Study Group criteria with positive autoantibody, exclusion of other etiologies, elevated immunoglobulin G and histology when available.

Results: Seventy children [AI-ALF=15 and AI-non-ALF=55 (SN-AILD=11, SP-AILD=44)] were evaluated. Age at presentation [7 (1.2-16) vs. 9 (2-17) years] percentage of female patients (67 vs. 62%), and AILD type (type II, 53 vs. 31%) were similar in AI-ALF and AI-non-ALF patients], respectively. 8/15 AI-ALF cases were treated with steroids (improved-4, liver transplant-1, and death-3) and 7/15 died before initiation of therapy. Hepatic encephalopathy (100 vs. 16.3%; P<0.001), massive hepatic necrosis (60 vs. 0%; P<0.001), and higher pediatric end-stage liver disease [n=53, 29.9 (13.1-56.9) vs. 9.8 (-10-28.7) P<0.001], model for end-stage liver disease [n=17, 38.5 (24-46) vs. 18 (6-24); P=0.005], and Child-Turcotte-Pugh [n=70, 13 (8-13) vs. 9 (5-13); P<0.001] scores were features of AI-ALF. Poorer response to immunosuppression (4/8 vs. 48/55; P=0.02) and higher mortality (11/15 vs. 4/55; P=0.0001) were seen in AI-ALF than in AI-non-ALF patients. Clinicolaboratory profile, therapeutic response, and outcome were similar in SN-AILD and SP-AILD.

Conclusion: AI-ALF is characterized by poorer liver function, lower response to immunosuppression, and higher mortality compared with SP or SN AI-non-ALF, which are similar.

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