title: Lupus patients with peripheral vascular thrombosis: the significance of measuring anticardiolipin antibody.
abstract: The purpose of this study was to determine the significance of measuring anticardiolipin (ACL) antibodies in Chinese lupus patients with peripheral vascular thrombosis. A total of 252 lupus patients were evaluated prospectively for the presence of peripheral vascular thrombosis in a 3-year period. Tests of ACL antibodies with three isotypes were done serially during follow-up. There were 10 lupus patients with five episodes of arterial thrombosis and seven episodes of venous thrombosis by the evidence of angiographical and/or pathological findings. The ACL antibody status was negative (< 2 standard deviation [SD]), low (2 to 5 SD) and high (> 5 SD) for 43.3%, 22.6%, and 34.1% patients, respectively. Patients with high levels (> 5 SD) of ACL antibodies had a high frequency of peripheral vascular thrombosis than patients with negative levels (> 2 SD) of ACL antibodies (P < .05). It is concluded that serial measurement of ACL antibodies in lupus patients is useful in predicting the occurrence of peripheral vascular thrombosis. Clinicians should be alert to the possibility of such complication in lupus patients with high ACL antibodies levels when visiting the emergency service.
authors.affiliation: Department of Internal Medicine, College of Medicine, National Taiwan University, Taipei.
authors.forename: C R
authors.initials: CR
authors.lastname: Wang
authors.forename: C C
authors.initials: CC
authors.lastname: Chou
authors.forename: K H
authors.initials: KH
authors.lastname: Hsieh
authors.forename: C Y
authors.initials: CY
authors.lastname: Chuang
authors.forename: C Y
authors.initials: CY
authors.lastname: Chen
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000792:Angiography; D017153:Antibodies, Anticardiolipin / Q000097:blood*; D002681:China / Q000208:ethnology; D004797:Enzyme-Linked Immunosorbent Assay; D005260:Female; D006801:Humans; D007070:Immunoglobulin A / Q000097:blood; D007074:Immunoglobulin G / Q000097:blood; D007075:Immunoglobulin M / Q000097:blood; D008180:Lupus Erythematosus, Systemic / Q000150:complications*; D008297:Male; D008875:Middle Aged; D016491:Peripheral Vascular Diseases / Q000097:blood* / Q000000981:diagnostic imaging / Q000453:epidemiology / Q000209:etiology; D011237:Predictive Value of Tests; D011446:Prospective Studies; D015996:Survival Rate; D013624:Taiwan / Q000453:epidemiology; D013927:Thrombosis / Q000097:blood* / Q000000981:diagnostic imaging / Q000453:epidemiology / Q000209:etiology / Q000473:pathology
chemical_list: D017153:Antibodies, Anticardiolipin; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M