Author:
Roberts Amanda D. L.,Wessely Simon,Chalder Trudie,Papadopoulos Andrew,Cleare Anthony J.
Abstract
BackgroundThere is accumulating evidence of hypothalamic–pituitary–adrenal (HPA) axis disturbances in chronic fatigue syndrome (CFS). The salivary cortisol response to awakening has been described recently as a non-invasive test of the capacity of the HPA axis to respond to stress. The results of this test correlate closely with those of more invasive dynamic tests reported in the literature; furthermore, it can be undertaken in a naturalistic setting.AimsTo assess the HPA axis using the salivary cortisol response to awakening in CFS.MethodWe measured salivary cortisol upon awakening and 10, 20, 30 and 60 min afterwards in 56 patients with CFS and 35 healthy volunteers.ResultsPatients had a lower cortisol response to awakening, measured by the area under the curve.ConclusionsThis naturalistic test of the HPA axis response to stress showed impaired HPA axis function in CFS.
Publisher
Royal College of Psychiatrists
Subject
Psychiatry and Mental health
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