期刊
JOURNAL OF RHEUMATOLOGY
卷 39, 期 2, 页码 254-261出版社
J RHEUMATOL PUBL CO
DOI: 10.3899/jrheum.110310
关键词
SYSTEMIC LUPUS ERYTHEMATOSUS; LIVER DISEASE; LIVER ENZYMES; ASPARTATE TRANSAMINASE; ALANINE TRANSAMINASE
类别
资金
- University of Toronto, Institute of Medical Sciences Research
- Canadian Network for Improved Outcomes in SLE
- Lupus Canada
- Lupus Ontario
- Lupus Foundation of Ontario
- BC Lupus
- Arthritis and Autoimmune Research Centre Foundation
- Smythe Foundation
- Dance for the Cure
- Flare for Fashion
Objective. To determine the prevalence of abnormal liver enzymes in patients with systemic lupus erythematosus (SLE) and whether further investigations were done, and the differences in SLE-related and/or metabolic factors in patients with and without liver biochemical abnormalities. Method. Patients from the University of Toronto Lupus Clinic who met at least 4 of the American College of Rheumatology classification criteria for SLE and had 1.5 times the upper limit for aspartate transaminase or alanine transaminase on 2 consecutive visits within a 2-year period were matched with controls for age, sex, and SLE duration. Demographic, clinical, and laboratory data were extracted at the time of the first appearance of liver enzyme abnormality for the cases and at the reference point for the controls. Results. From the 1533 patients reviewed, 134(8.7%) met the inclusion criteria. Thirty of these patients were evaluated by a hepatologist, 75 had imaging studies (41 were done specifically for liver investigation), and 13 had liver biopsies. Results based on these investigations showed 31 fatty livers, 35 cases of drug-induced hepatotoxicity, 10 autoimmune etiologies, and 3 cases of viral hepatitis. Compared to controls, cases were higher in body mass index, anti-dsDNA antibody, prevalence of hypertension, antiphospholipid syndrome, and use of immunosuppressive medication, especially azathioprine and methotrexate; they were lower in IgM. Conclusion. Metabolic abnormalities such as obesity and hypertension and hepatotoxic effects of medication used to treat SLE may contribute more than SLE-related factors to liver biochemical abnormalities in patients with SLE. (First Release Dec 15 2011; J Rheumatol 2012;39:254-61; doi:10.3899/jrheum.110310)
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