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Neuroendocrine regulation and metabolism of glucose and lipids in primary chronic insomnia : a prospective case-control study

Seelig, Eleonora and Keller, Ulrich and Klarhofer, Markus and Scheffler, Klaus and Brand, Serge and Holsboer-Trachsler, Edith and Hatzinger, Martin and Bilz, Stefan. (2013) Neuroendocrine regulation and metabolism of glucose and lipids in primary chronic insomnia : a prospective case-control study. PLoS ONE, Vol. 8, H. 4. pp. 1-5.

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Official URL: http://edoc.unibas.ch/dok/A6419870

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Abstract

OBJECTIVES: To investigate the relation between primary chronic insomnia and insulin sensitivity, visceral adiposity, non alcoholic fatty liver disease and neuroendocrine hormones. MATERIALS AND METHODS: In a case-controlled, prospective clinical trial 13 women with primary chronic insomnia according to DSM-IV criteria were compared to 12 healthy controls matched for age, sex, BMI, body composition and menopausal status. All participants had a sleep assessment including polysomnographic studies and neuropsychiatric evaluation. Insulin sensitivity was evaluated using the euglycaemic hyperinsulinemic clamp. Hepatic fat content, visceral adipose tissue and intramyocellular lipid accumulation were assessed using magnetic resonance imaging and spectroscopy. The hormonal stress axis was evaluated by measurements of midnight and early morning salivary cortisol, urinary catecholamines and plasma metanephrines. Body composition was determined using body impedance analysis and indirect calorimetry. RESULTS: Although the diagnosis of primary chronic insomnia was made by established clinical criteria, standard polysomongraphic studies failed to identify altered sleep continuity and architecture when compared to matched controls. However, women with primary chronic insomnia showed significantly higher midnight salivary cortisol concentrations (1.46 vs. 0.76 nmol/l, p = 0.02), indicating dysregulation of the hypothalamo-pituitary-adrenal (HPA) axis. Plasma glucose and lipid concentrations, insulin sensitivity, hepatic and intramyocellular fat content, visceral adipose tissue mass and body composition did not differ between the two groups. CONCLUSION: Healthy women with clinically diagnosed primary chronic insomnia demonstrate a dysregulation of circadian cortisol secretion despite normal sleep continuity and architecture. Increased midnight cortisol levels, however, were not associated with impaired metabolism of glucose and lipids.
Faculties and Departments:03 Faculty of Medicine > Departement Biomedizin > Former Units at DBM > Metabolism (Keller/Müller)
03 Faculty of Medicine > Bereich Medizinische Fächer (Klinik) > Ehemalige Einheiten Medizinische Fächer (Klinik) > Klinische Endokrinologie (Keller)
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Medizinische Fächer (Klinik) > Ehemalige Einheiten Medizinische Fächer (Klinik) > Klinische Endokrinologie (Keller)
UniBasel Contributors:Keller, Ulrich O.
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Public Library of Science
e-ISSN:1932-6203
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:31 Aug 2018 06:39
Deposited On:02 Oct 2015 10:00

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