Effect of different respiratory mask pressure on upper airway volume
- VernacularTitle:呼吸面罩内压力变化对咽气道容积的影响
- Author:
Li GAO
- Publication Type:Journal Article
- Keywords:
Sleep Apnea,Obstructive;
Tomography,X-Ray Computed;
Continuous Positive Airway Pressure;
Airway Resistance
- From:
Chinese Archives of Otolaryngology-Head and Neck Surgery
2006;0(08):-
- CountryChina
- Language:Chinese
-
Abstract:
OBJECTIVE To investigate the effect of different respiratory mask pressure on the upper airway volume(UAV),and to compare the changes of UAV between patients with obstructive sleep apnea hypopnea syndrome(OSAHS)and normal adults. METHODS Thirty three patients with OSAHS and thirty normal adults were included in this study.CT scan evaluated the UAV from roof of nasopharynx to glottis.UAV under different respiratory mask pressure between patients with OSAHS and normal adults were compared.RESULTS Patients with OSAHS had less UAV,and changes of UAV per cmH_2O were significantly smaller in patients with OSAHS than normal adults.CONCLUSION The results suggest that the quantitative data of UAV and changes of UAV per cmH_2O can be obtained.Upper airway anatomic narrowing and reduced airway distensible degree are major etiological factors for OSAHS.
