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Long-term follow-up of cortisol awakening response in patients treated for stress-related exhaustion
Linköping University, Department of Clinical and Experimental Medicine, Rehabilitation Medicine. Linköping University, Faculty of Health Sciences.ORCID iD: 0000-0003-2530-4126
County Council of Jämtland, R&D-unit, Östersund, Sweden and Mid Sweden University, IHV, Östersund, Sweden.
The Institute of Stress Medicine, Gothenburg, Sweden and Institute of Neuroscience and Physiology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden .
2012 (English)In: BMJ Open, ISSN 2044-6055, Vol. 2, no 4Article in journal (Refereed) Published
Abstract [en]

Objectives Studies on hypothalamus–pituitary–adrenal (HPA) axis activity in stress-related exhaustion and burnout have revealed incongruent results, and few longitudinal studies on clinical populations have been performed. This study was designed to investigate differences in HPA axis activity between patients with stress-related exhaustion and healthy controls and to investigate longitudinal changes in HPA axis activity in the patient group as they entered a multimodal treatment programme.

Design HPA axis activity was assessed through the cortisol awakening response (CAR). Salivary cortisol was sampled at awakening and after 15 min. Follow-up measurements were performed in the patient group after 3, 6, 12 and 18 months.

Setting An outpatient clinic specialising in stress-related illness.

Participants Patients with clinically diagnosed stress-related exhaustion (n=162) and healthy controls (n=79).

Primary and secondary outcome measures The primary measure was CAR measured as the difference between the two salivary cortisol samples. Changes in CAR during follow-up were related to changes in symptoms of burnout, depression and anxiety.

Results Patients showed similar CAR as the controls and their CAR did not change significantly during treatment. No association was found between CAR and symptom development during treatment.

Conclusions The authors conclude that CAR does not seem to discriminate clinically defined patients with exhaustion from healthy controls and it appears not to change during treatment. CAR, measured as salivary cortisol, at awakening and after 15 min, is thus not a valid marker for stress-related exhaustion.

Place, publisher, year, edition, pages
BMJ Publishing Group: BMJ Open / BMJ Journals , 2012. Vol. 2, no 4
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-90216DOI: 10.1136/bmjopen-2012-001091ISI: 000315049300053OAI: diva2:612335
Available from: 2013-03-21 Created: 2013-03-21 Last updated: 2013-09-10

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