Zhonghua er bi yan hou tou jing wai ke za zhi = Chinese journal of otorhinolaryngology head and neck surgery
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Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi · Aug 2011
[Clinical value of upper airway pressure measurement and Friedman staging system in preoperative evaluation for obstructive sleep apnea hypopnea syndrome].
To evaluate the clinical value of localization of upper airway obstructive site with pressure measurements and Friedman staging system in preoperative upper airway reconstructive surgery for obstructive sleep apnea-hypopnea syndrome (OSAHS), and to evaluate the value of Friedman staging system in predicting the upper airway obstructive site. ⋯ Friedman staging system, in particular the FTP grading, had a correlation with upper airway pressure measurements (AG) in determination of the lower level of upper airway obstructive site, especially the retroglossal region, which could predict the main localization of upper airway obstructive site identified by upper airway pressure measurements during the sleep.