Obstructive site localization using multisensor manometry versus the Friedman staging system in obstructive sleep apnea

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Lee, Chul Hee; Won, Tae-Bin; Cha, Wonjae; Yoon, In Young; Chung, Seockhoon; Kim, Jeong-Whun

Issue Date
Springer Verlag
Eur Arch Otorhinolaryngol. 265(2):171-177
AdultAgedBody Mass IndexContinuous Positive Airway Pressure/methodsFemaleHumansMaleMandibular Advancement/methodsManometry/*instrumentationMiddle AgedPolysomnographyRespirationRetrospective StudiesSeverity of Illness IndexSleep Apnea, Obstructive/*diagnosis/therapy
The aim of this study was to find the correlation between an anatomy-based staging system and pressure manometry performed during sleep. A retrospective study of 45 patients with obstructive sleep apnea (OSA) was carried out. All patients were evaluated by polysomnography, and obstruction sites were localized using a multisensor manometer during the full night. Obstruction sites were classified into retropalatal and retroglossal. The patients were also staged by anatomic findings of tonsil size and palate position. The % retroglossal obstruction was 29.4, 33.5 and 48.6% in stages I, II and III, respectively. There was no significant difference between stages. In contrast, when compared according to the Friedman tongue position (FTP), the mean % retroglossal obstruction of FTP grade 3 was significantly higher than that of FTP grade 1 (P = 0.009) although apnea hypopnea index, body mass index and lowest SpO2 were not different among FTP grades. It seems that FTP correlates with retroglossal obstruction and may be used to select patients in need of retroglossal modification of the airway.
0937-4477 (Print)
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College of Medicine/School of Medicine (의과대학/대학원)Otorhinolaryngology (이비인후과학전공)Journal Papers (저널논문_이비인후과학전공)
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