NDLI: Development of Lead System for ECG-Derived Respiration Aimed at Detection of Obstructive Sleep Apnea Syndrome

Content Provider	IEEE Xplore Digital Library
Author	Sakai, M. Xin Zhu Yoshida, Y. Daming Wei
Copyright Year	2013
Description	Author affiliation: Grad. Sch. of Med., Tohoku Univ., Sendai, Japan (Daming Wei) \|\| Sch. of Inf. Environ., Tokyo DENKI Univ., Chiba, Japan (Sakai, M.) \|\| Sch. of Comput. Sci. & Eng., Univ. of Aizu, Aizu-Wakamatsu, Japan (Xin Zhu) \|\| Grad. Sch. of Comput. Sci. & Eng., Univ. of Aizu, Aizu-Wakamatsu, Japan (Yoshida, Y.)
Abstract	Obstructive sleep apnea syndrome is the most common type of sleep apnea, characterized by repetitive pauses in breathing during sleep. Recent studies have investigated screening methods based only on an electrocardiogram (ECG). Generally, in ECG-based screening, the ECG-derived respiration (EDR) is often used, which is caused by the variance in the cardiac electrical axis due to the chest movement associated with the respiration itself. This method might be effective for diagnosing the sleep apnea severity, called the apnea-hypopnea index, which is defined by the duration and occurrence rate of apnea episodes. However, conventional ECG lead systems are not necessarily optimized for this purpose. In this study, nine bipolar electrodes located across the entire ventral thoracic region were devised, based on the conventional lead system, to effectively measure thoracic breathing. To evaluate the most effective electrode placements, two eupneic and three apneic tasks with nine electrodes were conducted, and EDRs were calculated. Then, the respiratory rates were estimated from the EDRs, and the eupnea and apnea groups were classified using features of the EDRs. Consequently, it was found that three electrodes located at the lower thoracic region yielded accurate estimations of the respiratory rate and discrimination rate.
Sponsorship	IEEE
Starting Page	971
Ending Page	975
File Size	228431
Page Count	5
File Format	PDF
ISBN	9781479932115
DOI	10.1109/SITIS.2013.157
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-12-02
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electrodes Apnea-Hypopnea index Obstructive sleep apnea syndrome Lead system Channel estimation Estimation Electrocardiography ECG Educational institutions Sleep apnea ECG-derived respiration Heart rate variability
Content Type	Text
Resource Type	Article

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