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Validity analysis of respiratory events of polysomnography using a plethysmography chest and abdominal belt

Authors
 Do-Yang Park  ;  Top Kim  ;  Jung Jun Lee  ;  Jung Ho Ha  ;  Hyun Jun Kim 
Citation
 SLEEP AND BREATHING, Vol.24(1) : 127-134, 2020-03 
Journal Title
SLEEP AND BREATHING
ISSN
 1520-9512 
Issue Date
2020-03
MeSH
Adult ; Aged ; Cardiography, Impedance / instrumentation ; Female ; Humans ; Male ; Middle Aged ; Plethysmography, Impedance / instrumentation* ; Polysomnography / methods* ; Reproducibility of Results ; Sleep Apnea, Obstructive / diagnosis* ; Sleep Apnea, Obstructive / physiopathology
Keywords
Respiratory sensor ; Validation ; Polysomnography ; Apnea ; Scoring
Abstract
Purpose Respiratory inductive plethysmography (RIP) is recommended as an alternative respiratory sensor for the identification of each apnea and hypopnea event in polysomnography. Using this sensor, the cumulative RIP results from the chest and abdomen (RIP sum) and time-derived results of the RIP sum (RIP flow) are calculated to track respiratory flow. However, the effectiveness of this sensor and the calculated respiratory results is still unclear, and validation studies for the scoring of respiratory events in polysomnography are rare. Methods Two hundred subjects were selected according to the severity of obstructive sleep apnea. A sleep specialist re-evaluated the respiratory events based on RIP flow data in a single-blind study. Statistical analysis was conducted with paired respiratory events scored in each of the RIP flow and polysomnography datasets. Results All respiratory events scored from the RIP flow were strongly correlated with those identified with standard sensors of polysomnography, regardless of disease severity. Most of the respiratory parameters from RIP flow trended toward underestimation. The RIP flow obtained from the alternative RIP sensor was appropriate for the diagnosis of obstructive sleep apnea based on a receiver operating characteristic curve. Conclusions Scored respiratory events from RIP flow data effectively reflected the respiratory flow and statistically correlated with the results from standard polysomnography sensors. Therefore, analyzing RIP flow utilizing an RIP sensor is considered a reliable method for respiratory event scoring.
Full Text
https://link.springer.com/article/10.1007/s11325-019-01940-1
DOI
10.1007/s11325-019-01940-1
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Otorhinolaryngology (이비인후과학교실) > 1. Journal Papers
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/190206
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