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The Development of a Dual-Radar System with Automatic Hypopnea Threshold Optimization for Contact-Free Sleep Apnea-Hypopnea Syndrome Screening
Joint Authors
Matsui, Takemi
Gotoh, Shinji
Naka, Yoshikazu
Kurita, Osamu
Source
Issue
Vol. 2018, Issue 2018 (31 Dec. 2018), pp.1-8, 8 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2018-01-08
Country of Publication
Egypt
No. of Pages
8
Main Subjects
Abstract EN
Full-night polysomnography (PSG) examination is regarded as the gold standard for the diagnosis of sleep apnea-hypopnea syndrome (SAHS).
However, PSG requires the placement of multiple sensors on the head, face, and chest, which can impose a heavy strain on patients.
Therefore, in the present study, we aimed to develop a contact-free, stand-alone SAHS screening system that eliminates body movement artifacts based on automatic optimization of the hypopnea threshold.
Doppler radar sensors were placed beneath a mattress.
In order to achieve high sensitivity and specificity, the hypopnea was based on the average amplitude of respiration during the full sleep period.
The threshold was determined via receiver operating characteristic (ROC) analysis using PSG as a reference.
We conducted full-night clinical tests of the proposed system in 27 patients with suspected SAHS (49 ± 12 years) at Tomei Atsugi Hospital.
When predicting the severity of SAHS with an apnea-hypopnea index (AHI) of >30/h using PSG as a reference, the proposed system achieved a sensitivity of 100% and a specificity of 100%.
These results represent a drastic improvement over those of our previous study (sensitivity: 90%; specificity: 79%).
American Psychological Association (APA)
Gotoh, Shinji& Matsui, Takemi& Naka, Yoshikazu& Kurita, Osamu. 2018. The Development of a Dual-Radar System with Automatic Hypopnea Threshold Optimization for Contact-Free Sleep Apnea-Hypopnea Syndrome Screening. Journal of Sensors،Vol. 2018, no. 2018, pp.1-8.
https://search.emarefa.net/detail/BIM-1202157
Modern Language Association (MLA)
Gotoh, Shinji…[et al.]. The Development of a Dual-Radar System with Automatic Hypopnea Threshold Optimization for Contact-Free Sleep Apnea-Hypopnea Syndrome Screening. Journal of Sensors No. 2018 (2018), pp.1-8.
https://search.emarefa.net/detail/BIM-1202157
American Medical Association (AMA)
Gotoh, Shinji& Matsui, Takemi& Naka, Yoshikazu& Kurita, Osamu. The Development of a Dual-Radar System with Automatic Hypopnea Threshold Optimization for Contact-Free Sleep Apnea-Hypopnea Syndrome Screening. Journal of Sensors. 2018. Vol. 2018, no. 2018, pp.1-8.
https://search.emarefa.net/detail/BIM-1202157
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1202157