Concurrent extrahepatic autoimmunity in autoimmune hepatitis: implications for diagnosis, clinical course and long term outcome

Wong, Guan-Wee, Yeong, Tian, Lawrence, David, Yeoman, Andrew D, Verma, Sumita and Heneghan, Michael A (2017) Concurrent extrahepatic autoimmunity in autoimmune hepatitis: implications for diagnosis, clinical course and long term outcome. Liver International, 37 (3). pp. 449-457. ISSN 1478-3223

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Abstract

Concurrent extrahepatic autoimmune disease (CEHAID) associated with autoimmune hepatitis (AIH) have been incorporated into the diagnostic criteria stipulated by the International Autoimmune Hepatitis Group (IAIHG). Large comprehensive cohort data on the extrahepatic autoimmunity in AIH remain scanty AIM: To systematically assess features and clinical impact of CEHAID on AIH METHODS: Clinical records of 562 patients with AIH from two tertiary centres in the United Kingdom were retrospectively reviewed RESULTS: Prevalence of CEHAID in patients with AIH were 42%. Autoimmune thyroid disease was the commonest CEHAID associated with AIH (101/562, 18%). Autoimmune skin diseases were more prevalent in AIH-2 than AIH-1 (21.9% vs.7%, p=0.009). Personal history of CEHAID was more commonly found in AIH patients with than without first degree family history of CEHAID [(48/86, 55.8% vs 169/446, 37.9%), p=0.002]. AIH patients with CEHAID were more often female [201/236 (85.2%), p=0.008], had higher post-treatment IAIHG score (22 vs. 20, p<0.001), less reactivity to smooth muscle antibodies (49.8% vs 65%, p<0.001), more likely to have mild fibrosis at diagnosis (20.9% vs. 6.5%, p<0.001), less often had ascites (6.3% vs. 13.6%, p=0.008) and coagulopathy (1.18 vs. 1.27, p=0.013) at presentation. Presence of CEHAID, however, did not significantly affect disease progression, prognosis and survival in AIH CONCLUSIONS: Our study confirms the strong association of CEHAID with AIH. Association between personal and familial extrahepatic autoimmunity especially among first degree relatives was evident. Presence of CEHAID may influence clinical phenotype of AIH at presentation but without notable impact on the long term clinical outcomes

Item Type: Article
Schools and Departments: Brighton and Sussex Medical School > Clinical Medicine
Subjects: R Medicine > R Medicine (General)
Depositing User: Gemma Hamilton
Date Deposited: 14 Sep 2016 11:23
Last Modified: 03 Jul 2017 01:55
URI: http://sro.sussex.ac.uk/id/eprint/63319

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