Alterations in upper airway cross-sectional area in response to lower body positive pressure in healthy subjects.

@article{Shiota2007AlterationsIU,
  title={Alterations in upper airway cross-sectional area in response to lower body positive pressure in healthy subjects.},
  author={Satomi Shiota and Clodagh M Ryan and Kuo-Liang Chiu and Pimon Ruttanaumpawan and James S Haight and Michael Arzt and John S. Floras and Christopher Chan and T. Douglas Bradley},
  journal={Thorax},
  year={2007},
  volume={62 10},
  pages={868-72}
}
BACKGROUND Fluid accumulation in the neck during recumbency might narrow the upper airway (UA) and thereby contribute to its collapse in patients with obstructive sleep apnoea (OSA). It is hypothesised that acute fluid shifts from the legs to the upper body in healthy subjects would increase neck circumference and reduce the cross-sectional area of the UA (UA-XSA). METHODS In 27 healthy non-obese subjects of mean (SE) age 39 (3) years and body mass index 23.2 (0.6) kg/m2 studied while supine… CONTINUE READING
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