Autoimmune hepatitis classification: Difference between revisions
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==Classification== | ==Classification== | ||
'''According to European Association for the Study of the Liver, there are three types of Autoimmune hepatitis | '''According to European Association for the Study of the Liver, there are three types of Autoimmune hepatitis based upon the types of antibodies present''':<ref name="pmid26359647">{{cite journal |vauthors=Sener AG |title=Autoantibodies in autoimmune liver diseases |journal=APMIS |volume=123 |issue=11 |pages=915–9 |year=2015 |pmid=26359647 |doi=10.1111/apm.12442 |url=}}</ref><ref name="pmid26341719">{{cite journal |vauthors= |title=EASL Clinical Practice Guidelines: Autoimmune hepatitis |journal=J. Hepatol. |volume=63 |issue=4 |pages=971–1004 |year=2015 |pmid=26341719 |doi=10.1016/j.jhep.2015.06.030 |url=}}</ref><ref name="pmid16984499">{{cite journal |vauthors=Floreani A, Niro G, Rosa Rizzotto E, Antoniazzi S, Ferrara F, Carderi I, Baldo V, Premoli A, Olivero F, Morello E, Durazzo M |title=Type I autoimmune hepatitis: clinical course and outcome in an Italian multicentre study |journal=Aliment. Pharmacol. Ther. |volume=24 |issue=7 |pages=1051–7 |year=2006 |pmid=16984499 |doi=10.1111/j.1365-2036.2006.03104.x |url=}}</ref><ref name="pmid24016388">{{cite journal |vauthors=Liberal R, Mieli-Vergani G, Vergani D |title=Clinical significance of autoantibodies in autoimmune hepatitis |journal=J. Autoimmun. |volume=46 |issue= |pages=17–24 |year=2013 |pmid=24016388 |doi=10.1016/j.jaut.2013.08.001 |url=}}</ref><ref name="pmid16394302">{{cite journal |vauthors=Krawitt EL |title=Autoimmune hepatitis |journal=N. Engl. J. Med. |volume=354 |issue=1 |pages=54–66 |year=2006 |pmid=16394302 |doi=10.1056/NEJMra050408 |url=}}</ref> | ||
'''Autoimmune hepatitis Type-1''': | '''Autoimmune hepatitis Type-1''': | ||
Revision as of 01:05, 13 December 2017
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: :Manpreet Kaur, MD [2]
Overview
Classification
According to European Association for the Study of the Liver, there are three types of Autoimmune hepatitis based upon the types of antibodies present:[1][2][3][4][5]
Autoimmune hepatitis Type-1:
- Common type of AIH (accounts almost for 90% of AIH cases)
- Presents at any age and prevalent worldwide
- Antibodies like ANA(antinuclear antibodies), SMA(smooth muscle antibodies) or anti-SLA/LP(soluble liver antigen/liver pancreas antibodies) are characteristics
- Antiactin antibodies are more specific
- Association with HLA(human leukocyte antigens)DR3, DR4, and DR13
- Treatment failure is rare but if relapse occurs after withdrawal of treatment and long-term maintenance therapy is given occasionally
Autoimmune hepatitis Type 2:
- Accounts for 10% of AIH cases
- Presents usually in childhood and young adulthood and prevalent worldwide but rare in North America
- Antibodies like anti-LKM1(liver/kidney microsomal antibody type 1), anti-LC1(antibodies against liver cytosol type 1 antigen) and rarely anti-LKM3(liver/kidney microsomal antibody type 3) are characteristics
- Anti–LKM-1 and anti–LC-1 are more specific
- Association with HLA DR3 and DR7
- Treatment failure is common and frequent relapse rates after withdrawal of treatment and long-term maintenance therapy commonly is given
Autoimmune hepatitis Type 3:
- AIH type 3 is similar to AIH type 1 but presents more severe.
- SLA/LP(soluble liver antigen/liver pancreas antibodies) is characteristics
- Ro52-antibody positive
References
- ↑ Sener AG (2015). "Autoantibodies in autoimmune liver diseases". APMIS. 123 (11): 915–9. doi:10.1111/apm.12442. PMID 26359647.
- ↑ "EASL Clinical Practice Guidelines: Autoimmune hepatitis". J. Hepatol. 63 (4): 971–1004. 2015. doi:10.1016/j.jhep.2015.06.030. PMID 26341719.
- ↑ Floreani A, Niro G, Rosa Rizzotto E, Antoniazzi S, Ferrara F, Carderi I, Baldo V, Premoli A, Olivero F, Morello E, Durazzo M (2006). "Type I autoimmune hepatitis: clinical course and outcome in an Italian multicentre study". Aliment. Pharmacol. Ther. 24 (7): 1051–7. doi:10.1111/j.1365-2036.2006.03104.x. PMID 16984499.
- ↑ Liberal R, Mieli-Vergani G, Vergani D (2013). "Clinical significance of autoantibodies in autoimmune hepatitis". J. Autoimmun. 46: 17–24. doi:10.1016/j.jaut.2013.08.001. PMID 24016388.
- ↑ Krawitt EL (2006). "Autoimmune hepatitis". N. Engl. J. Med. 354 (1): 54–66. doi:10.1056/NEJMra050408. PMID 16394302.