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  1. Past use of oral contraceptives and the risk of developing systemic lupus erythematosus.

    Article - En anglais

    Objective

    To examine the relationship between past use of oral contraceptives (OCs) and development of systemic lupus erythematosus (SLE).

    Methods

    Prospective cohort study of 121,645 women who were followed up every 2 years between 1976 and 1990 as part of the Nurses'Health Study.

    Women were classified as never users or past users of OCs based on self-report.

    Incidence of SLE was defined by 1) strict American College of Rheumatology (ACR) classification criteria (=4 ACR criteria), 2) =4 ACR criteria and any physician's diagnosis, 3) =4 ACR criteria and diagnosis by an ACR-certified rheumatologist, 4) =3 ACR criteria, or 5) diagnosis by a physician even if the patient did not meet the ACR criteria.

    Results

    Compared with never users of OCs, and after adjusting for age and ever use of postmenopausal hormones, the relative risk (95% confidence interval [95% CI]) for the incidence of SLE in the women who had definite cases of SLE (=4 ACR criteria) (n=99) was 1.4 (0.9-2.1) for past users of OCs.

    Using the most stringent case definition (ACR criteria plus a diagnosis of SLE by an ACR member) (n=58), the relative risk for past users compared with never users was 1.9 (95% CI 1.1-3.3).

    No relationship was observed between duration of OC use or time since first use and the risk of developing SLE.

    Conclusion

    Past use of OCs was associated with a slightly increased risk of developing SLE. (...)

    Mots-clés Pascal : Lupus érythémateux, Disséminé, Pathogénie, Epidémiologie, Incidence, Facteur risque, Contraceptif, Voie orale, Traitement, Analyse corrélation, Homme, Femelle, Peau pathologie, Tissu conjonctif pathologie, Maladie système, Maladie autoimmune, Immunopathologie

    Mots-clés Pascal anglais : Lupus erythematosus, Disseminated, Pathogenesis, Epidemiology, Incidence, Risk factor, Contraceptive, Oral administration, Treatment, Correlation analysis, Human, Female, Skin disease, Connective tissue disease, Systemic disease, Autoimmune disease, Immunopathology

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 97-0310822

    Code Inist : 002B07. Création : 15/07/1997.