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  • Title: Childhood sexual abuse and hypothalamus-pituitary-thyroid axis in postpartum major depression.
    Author: Plaza A, Garcia-Esteve L, Ascaso C, Navarro P, Gelabert E, Halperin I, Valdés M, Martín-Santos R.
    Journal: J Affect Disord; 2010 Apr; 122(1-2):159-63. PubMed ID: 19740549.
    Abstract:
    OBJECTIVE: The aim of this study was to investigate the association between early life events in women with postpartum major depression and concomitant hypothalamus-pituitary-thyroid axis disturbances (HPTD), thyroid dysfunction or presence of thyroid antibodies. METHODS: Serum total tri-iodothyronine (TT3), free thyroxin (FT4), Thyroid-stimulating hormone (TSH), Thyroperoxidasa (TPOAb) and Thyroglobulin (TGAb) autoantibodies was measured in 103 major postpartum depressive women. HPTD was defined as TSH and/or T4 abnormal, presence of thyroid autoantibodies and alterations of TT3. All women were assessed with a psychiatry structured interview for DSM-IV. Early Trauma Inventory Self Report, sociodemographic, reproductive, psychosocial and psychopathological variables were also assessed. RESULTS: Sixty three percent of women had suffered childhood trauma, which was childhood sexual abuse in 27.2%. Childhood sexual abuse in postpartum major depression women increased the risk for thyroid dysfunction (OR=5.018, 95%CI=1.128-22.327), presence of thyroid autoantibodies (OR=2.528; 95%CI=1.00-6.39) and HPTD (OR=2.955; 95%CI=1.191-7.32). Moreover, age over 34 (OR=12.394; 95%CI=1.424-107.910) and previous postpartum depression (OR=8.470; 95%CI=1.20-59.43) increased the risk for thyroid dysfunction in postpartum depression. LIMITATIONS: The study design does not allow us to know the direction of the association and there is a lack of previous assessment of current posttraumatic stress disorder. CONCLUSIONS: According to the present findings, childhood sexual abuse may represent an important risk factor for the presence of thyroid autoantibodies and HPTD in women with postpartum depression.
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