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논문 기본 정보

자료유형
학술저널
저자정보
Toan Huu Huynh (부경대학교) 정완영 (부경대학교)
저널정보
한국센서학회 센서학회지 센서학회지 제26권 제4호
발행연도
2017.7
수록면
239 - 244 (6page)
DOI
http://dx.doi.org/10.5369/JSST.2017.26.4.239

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초록· 키워드

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Noninvasive, cuffless, and continuous blood pressure (BP) monitoring is essential to prevent and control hypertension. A well-known existing method for this measurement is pulse transit time (PTT), which has been investigated by many researchers as a promising approach. However, the fundamental principle of the PTT method is based on the time interval taken by a pulse wave to propagate between the proximal and distal arterial sites. Consequently, this method needs an inde-pendent system with two devices placed at two different sites, which is a problem. Even though some studies attempted tosynchronize the system, it is bulky and inconvenient by contemporary standards. To find a more sensitive method to be used in a BP measurement device, this study used radial electrical bioimpedance (REB) as a potential indicator for BP deter- mination. Only one impedance plethysmography channel at the wrist is performed for demonstrating a ubiquitous BP wear- able device. The experiment was evaluated on eight healthy subjects with the ambulatory BP monitor on the upper arm as a reference. The results demonstrated the potential of the proposed method by the correlation of estimated systolic (SBP) and diastolic (DBP) BP against the reference at 0.84 ± 0.05 and 0.83 ± 0.05, respectively. REB also tracked the DBP well with a root-mean-squared-error of 7.5±1.35 mmHg.

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