Non-invasive respiratory monitoring during wakefulness and sleep in pre- and postmenopausal women

Menopause and aging cause hormonal changes with respiratory consequences. The aim of the present study was to investigate the physiological changes in respiration during wakefulness and sleep across menopause in non-patient population using non-invasive measurements of blood and tissue gases. The ar...

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Bibliographic Details
Published in:Respiratory physiology & neurobiology 2006-01, Vol.150 (1), p.66-74
Main Authors: Aittokallio, Jenni, Virkki, Arho, Aittokallio, Tero, Saaresranta, Tarja, Polo-Kantola, Päivi, Polo, Olli
Format: Article
Language:English
Subjects:
Adult
Aging
Air breathing
Analysis of Variance
Arterial oxyhemoglobin saturation
Biological and medical sciences
Blood Gas Monitoring, Transcutaneous - methods
Body Mass Index
Carbon Dioxide - metabolism
Case-Control Studies
End-tidal carbon dioxide
Female
Fundamental and applied biological sciences. Psychology
Humans
Menopause
Middle Aged
Monitoring, Physiologic
Plethysmography - methods
Polysomnography - methods
Postmenopause - physiology
Premenopause - physiology
Pulmonary Gas Exchange - physiology
Respiration
Respiratory system: anatomy, metabolism, gas exchange, ventilatory mechanics, respiratory hemodynamics
Sleep
Sleep Stages - physiology
Surveys and Questionnaires
Tidal Volume - physiology
Transcutaneous carbon dioxide
Vertebrates: respiratory system
Wakefulness - physiology
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Summary:Menopause and aging cause hormonal changes with respiratory consequences. The aim of the present study was to investigate the physiological changes in respiration during wakefulness and sleep across menopause in non-patient population using non-invasive measurements of blood and tissue gases. The arterial oxyhemoglobin saturation (SaO 2), heart rate, end-tidal partial carbon dioxide tension (EtCO 2) and transcutaneous partial carbon dioxide tension (TcCO 2) were measured during wakefulness and sleep in thirteen pairs of BMI-matched pre- and postmenopausal women. Postmenopausal women had lower SaO 2 during sleep than during wakefulness, whereas premenopausal women maintained their wakefulness SaO 2 levels also during sleep. EtCO 2 levels did not change either between wakefulness and sleep or between premenopausal and postmenopausal groups. TcCO 2 levels increased from wakefulness to sleep in both groups and the increase was greater in the postmenopausal group. The impact of sleep on the non-invasive measurements of blood and tissue gases is stronger in postmenopausal women.
ISSN:1569-9048
1878-1519
DOI:10.1016/j.resp.2005.03.012