Abstract:
:Epigenetic changes are of crucial importance in the etiopathogenesis of autoimmune liver diseases. Among these, there is limited agreement on the definitions and treatment of primary biliary cirrhosis (PBC) and autoimmune hepatitis (AIH) overlap syndromes, we evaluated a large series of consecutive patients with PBC (n = 565) and AIH (n = 196) to identify a group of patients with corticosteroid-responsive PBC-AIH overlap syndrome. Within this series, a total of 490 patients were biopsied based upon staging or diagnostic needs. Review of the biopsies in conjunction with the International AIH Group criteria identified 80 patients with suspected overlap syndrome and 52 patients agreed to participate in the study and were prospectively treated with corticosteroids. Of these, 40/52 (77%) achieved a complete biochemical response (i.e. normal ALT, AST, and IgG) within 12 months of treatment. A survey of pre-treatment characteristics of the 40 responders revealed more severe interface hepatitis. Serum IgG levels ≥1.3x the upper limit of normal had 60% sensitivity and 97% specificity rates for steroid-responsiveness while the use of a higher threshold (≥2.0x) reduced sensitivity to 10%. When the Paris criteria for PBC-AIH were applied to the steroid-responsive patients, 29/40 (73%) cases fulfilled at least two of the three Paris criteria. Applying the recently designed simplified IAIHG scoring system, 35/40 (88%) had a "definite" diagnosis of AIH. This study supports the hypothesis that a complete response to corticosteroids may denote a variant of a PBC-AIH overlap syndrome which could be identified prior to treatment by modified Paris criteria in concert with the simplified IAIHG scoring system.
journal_name
J Autoimmunjournal_title
Journal of autoimmunityauthors
Wang Q,Selmi C,Zhou X,Qiu D,Li Z,Miao Q,Chen X,Wang J,Krawitt EL,Gershwin ME,Han Y,Ma Xdoi
10.1016/j.jaut.2012.10.004subject
Has Abstractpub_date
2013-03-01 00:00:00pages
140-5eissn
0896-8411issn
1095-9157pii
S0896-8411(12)00131-Xjournal_volume
41pub_type
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journal_title:Journal of autoimmunity
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journal_title:Journal of autoimmunity
pub_type: 杂志文章
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pub_type: 历史文章,杂志文章,评审
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更新日期:2018-03-01 00:00:00
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journal_title:Journal of autoimmunity
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doi:10.1006/jaut.1999.0337
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journal_title:Journal of autoimmunity
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journal_title:Journal of autoimmunity
pub_type: 杂志文章
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更新日期:2009-05-01 00:00:00