American journal of obstetrics and gynecology · 1993
Antithyroid antibodies and the association with non-organ-specific antibodies in recurrent pregnancy loss.
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Pratt D, Novotny M, Kaberlein G, Dudkiewicz A, Gleicher N
Аннотация
OBJECTIVES: The purpose of our study was to evaluate the incidence of antithyroid antibodies and non-organ-specific antibodies in women who have had three or more recurrent spontaneous abortions.
STUDY DESIGN: Sera from 45 women for the presence of antithyroid antibodies to thyroglobulin and thyroid peroxide and for the non-organ-specific autoantibodies to 6 phospholipids, 5 histones, and 4 polynucleotides were analyzed. Sera from 100 apparently health blood donors served as controls.
RESULTS: The test results of 14 (31%) of 45 study subjects were positive for one or both antithyroid antibodies compared with 19 (19%) of controls. Five (11%) of 45 patients had positive test results for one or more non-organ-specific antibodies, and 4 (8%) of 45 had positive test results for the lupus anticoagulant by either activated partial thromboplastin, tissue thromboplastin time, or both. Only 3 (21%) of 14 subjects whose test results were positive for thyroid antibodies also demonstrated non-organ-specific autoantibodies.
COMMENTS: The incidence of antithyroid antibodies in women who have had recurrent abortions appears not to be significantly increased compared with a normal random control population. Antithyroid antibodies do occur, however, with significantly greater frequencies in women with recurrent spontaneous abortions than non-organ-specific autoantibodies (p = 0.02). Organ-specific and non-organ-specific autoantibodies may serve as independent markers of risk for repeated pregnancy loss in patient populations where pregnancy loss is associated with abnormal autoimmune function.
STUDY DESIGN: Sera from 45 women for the presence of antithyroid antibodies to thyroglobulin and thyroid peroxide and for the non-organ-specific autoantibodies to 6 phospholipids, 5 histones, and 4 polynucleotides were analyzed. Sera from 100 apparently health blood donors served as controls.
RESULTS: The test results of 14 (31%) of 45 study subjects were positive for one or both antithyroid antibodies compared with 19 (19%) of controls. Five (11%) of 45 patients had positive test results for one or more non-organ-specific antibodies, and 4 (8%) of 45 had positive test results for the lupus anticoagulant by either activated partial thromboplastin, tissue thromboplastin time, or both. Only 3 (21%) of 14 subjects whose test results were positive for thyroid antibodies also demonstrated non-organ-specific autoantibodies.
COMMENTS: The incidence of antithyroid antibodies in women who have had recurrent abortions appears not to be significantly increased compared with a normal random control population. Antithyroid antibodies do occur, however, with significantly greater frequencies in women with recurrent spontaneous abortions than non-organ-specific autoantibodies (p = 0.02). Organ-specific and non-organ-specific autoantibodies may serve as independent markers of risk for repeated pregnancy loss in patient populations where pregnancy loss is associated with abnormal autoimmune function.