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Comparative Study
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, P.H.S.
Increased cortisol in women with intimate partner violence-related posttraumatic stress disorder.
Psychoneuroendocrinology 2006 August
BACKGROUND: Alterations of hypothalamic-pituitary-adrenal (HPA) axis function and sympathetic-adrenal activity have been proposed as key factors in biological models of posttraumatic stress disorder (PTSD).
METHODS: We examined neuroendocrine function in female survivors of intimate partner violence (IPV) with lifetime (current or remitted) PTSD (n=29) and in women who were exposed to IPV but never developed PTSD (n=20). Salivary cortisol was collected as a marker of HPA axis function at 1, 4, 9, and 11 h after awakening. Platelet epinephrine and norepinephrine were assayed as markers of sympathetic-adrenal activation.
RESULTS: Women with lifetime PTSD had significantly higher cortisol levels across the day compared to abuse-exposed participants without PTSD, after controlling for age, depression, severity, and latency of abuse. There were no significant group differences in levels of platelet catecholamines.
CONCLUSIONS: Elevated cortisol levels may be a biomarker of IPV-related lifetime PTSD, reflecting long-lasting changes associated with trauma-exposure or possibly a reflection of risk for PTSD in women.
METHODS: We examined neuroendocrine function in female survivors of intimate partner violence (IPV) with lifetime (current or remitted) PTSD (n=29) and in women who were exposed to IPV but never developed PTSD (n=20). Salivary cortisol was collected as a marker of HPA axis function at 1, 4, 9, and 11 h after awakening. Platelet epinephrine and norepinephrine were assayed as markers of sympathetic-adrenal activation.
RESULTS: Women with lifetime PTSD had significantly higher cortisol levels across the day compared to abuse-exposed participants without PTSD, after controlling for age, depression, severity, and latency of abuse. There were no significant group differences in levels of platelet catecholamines.
CONCLUSIONS: Elevated cortisol levels may be a biomarker of IPV-related lifetime PTSD, reflecting long-lasting changes associated with trauma-exposure or possibly a reflection of risk for PTSD in women.
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