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Findings with 0.25 mg Dexamethasone Suppression Test in Eating Disorders: Association with Childhood Trauma

Published online by Cambridge University Press:  07 November 2014

Marina Díaz-Marsá ,
José L. Carrasco ,
Elena Basurte ,
José I. Pastrana ,
Jerónimo Sáiz-Ruiz  and
Juan J. López-lbor
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Abstract

Introduction: While both blunted and enhanced cortisol suppression following a dexamethasone suppression test (DST) are described in eating disorders, some evidence suggests that enhanced cortisol suppression might be associated with the presence of trauma history. The objective of this study is to investigate hypothalamic-pituitary-adrenal axis response to a modified DST in eating disorders and its relationship with childhood trauma.

Methods: Fifty-two patients with eating disorders were studied with a 0.25 mg DST and with measures of childhood trauma.

Conclusion: Patients with bulimia symptoms had significantly greater cortisol suppression than controls and restrictive anorexia patients (F=8.2, P<.05). Cortisol suppression was significantly correlated with intensity of childhood traumatic events (F=0.32, P<.05). Hypersensitive hypothalamic-pituitary-adrenal axis response to DST in eating disorders may be related with a history of childhood trauma and suggests some biological similarities with posttraumatic syndromes that should be further explored.

Type
Original Research
Information
CNS Spectrums , Volume 12 , Issue 9 , September 2007 , pp. 675 - 680
Copyright
Copyright © Cambridge University Press 2007

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