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Rethinking AASM guideline for split-night polysomnography in Asian patients with obstructive sleep apnea

Title
Rethinking AASM guideline for split-night polysomnography in Asian patients with obstructive sleep apnea
Author
조석현
Keywords
Split-night polysomnography; Polysomnography; Obstructive sleep apnea; Diagnostic accuracy; Apnea-hypopnea index; Asian
Issue Date
2015-12
Publisher
SPRINGER HEIDELBERG
Citation
SLEEP AND BREATHING, v. 19, NO 4, Page. 1273-1277
Abstract
Purpose Split-night polysomnography (SN-PSG) provides both a diagnosis and titration of continuous positive airway pressure over a single night in patients with suspected obstructive sleep apnea (OSA). However, in Asian patients, the diagnostic validity of American Academy of Sleep Medicine (AASM) guidelines for SN-PSG remains uncertain. Therefore, we examined whether the current criteria for SN-PSG are pertinent for Asian patients. We investigated 134 consecutive patients who were diagnosed with OSA (apnea-hypopnea index (AHI) ˃= 5). We divided the raw data (full-night study) into two parts and compared the first 2 h of sleep with the full night of sleep to evaluate the diagnostic precision and accuracy of the first 2 h of sleep. No difference in AHI was observed between the first 2 h and the full night of sleep. A significant correlation of AHI was observed between the first 2 h and the full night of sleep for severe OSA patients (AHI ˃= 30). A correlation coefficient of AHI was higher by the criterion of AHI ˃= 30 than by the criterion of AHI ˃= 40 (r = 0.831 and r = 0.778, respectively), which is the current AASM criterion for SN-PSG. Moreover, the criterion AHI ˃= 30 showed better diagnostic accuracy than the criterion AHI ˃= 40 (89.3 and 88.7 %, respectively). This study found possible evidence supporting different diagnostic criteria for SN-PSG in Asian population. We suggest further studies in other Asian populations to confirm these findings.
URI
https://link.springer.com/article/10.1007%2Fs11325-015-1158-2http://hdl.handle.net/20.500.11754/30193
ISSN
1520-9512; 1522-1709
DOI
10.1007/s11325-015-1158-2
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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