Airway Dilator Muscle Activity and Lung Volume During Stable Breathing in Obstructive Sleep Apnea | Zendy

Amy S. Jordan | Zendy; David P. White | Zendy; YuLun Lo | Zendy; Andrew Wellman | Zendy; Danny J. Eckert | Zendy; Susie YimYeh | Zendy; Matthias Eikermann | Zendy; Scott A. Smith | Zendy; K. E. Stevenson | Zendy; Atul Malhotra | Zendy

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Airway Dilator Muscle Activity and Lung Volume During Stable Breathing in Obstructive Sleep Apnea

Author(s) -

Amy S. Jordan,

David P. White,

YuLun Lo,

Andrew Wellman,

Danny J. Eckert,

Susie YimYeh,

Matthias Eikermann,

Scott A. Smith,

K. E. Stevenson,

Atul Malhotra

Publication year - 2009

Publication title -

sleep

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.222

H-Index - 207

eISSN - 1550-9109

pISSN - 0161-8105

DOI - 10.1093/sleep/32.3.361

Subject(s) - genioglossus , medicine , anesthesia , lung volumes , dilator , apnea , obstructive sleep apnea , non rapid eye movement sleep , sleep and breathing , ventilation (architecture) , polysomnography , respiratory system , supine position , lung , electroencephalography , mechanical engineering , psychiatry , engineering

Many patients with obstructive sleep apnea (OSA) have spontaneous periods of stable flow limited breathing during sleep without respiratory events or arousals. In addition, OSA is often more severe during REM than NREM and more severe during stage 2 than slow wave sleep (SWS). The physiological mechanisms for these observations are unknown. Thus we aimed to determine whether the activity of two upper airway dilator muscles (genioglossus and tensor palatini) or end-expiratory lung volume (EELV) differ between (1) spontaneously occurring stable and cyclical breathing and (2) different sleep stages in OSA.

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