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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.1
- 수록면
- 30 - 34 (5page)
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초록· 키워드
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Objectives: Recent studies have emphasized the potential information embedded in peripheral fingertip photoplethysmogram(PPG) signals for the assessment of arterial wall stiffening during aging. For the discrimination of arterial stiffness withage, the brachial-ankle pulse wave velocity (baPWV) has been widely used in clinical applications. The second derivative ofthe PPG (acceleration photoplethysmogram [APG]) has been reported to correlate with the presence of atherosclerotic disorders.
In this study, we investigated the association among age, the baPWV, and the APG and found a new aging index reflectingarterial stiffness for a healthcare device. Methods: The APG and the baPWV were simultaneously applied to assess theaccuracy of the APG in measuring arterial stiffness in association with age. A preamplifier and motion artifact removal algorithmwere newly developed to obtain a high quality PPG signal. In total, 168 subjects with a mean ± SD age of 58.1 ± 12.6years were followed for two months to obtain a set of complete data using baPWV and APG analysis. Results: The baPWVand the B ratio of the APG indices were correlated significantly with age (r = 0.6685, p < 0.0001 and r = –0.4025, p < 0.0001,respectively). A regression analysis revealed that the c and d peaks were independent of age (r = –0.3553, p < 0.0001 and r =–0.3191, p < 0.0001, respectively). Conclusions: We determined the B ratio, which represents an improved aging index andsuggest that the APG may provide qualitatively similar information for arterial stiffness.
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참고문헌 (9)
참고문헌 신청
Blazek R / 2010 / Multi-resolution linear model comparison for detection of dicrotic notch and peak in blood volume pulse signals / Anal Biomed Signals Images 20 : 378 ~ 386
Elgendi M / 2012 / On the analysis of fingertip photoplethysmogram signals / Curr Cardiol Rev 8 (1) : 14 ~ 25
Huotari M / 2011 / Photoplethysmography and its detailed pulse waveform analysis for arterial stiffness / J Struct Mech 44 (4) : 345 ~ 362
Kang S / 2010 / Relationship of arterial stiffness and early mild diastolic heart failure in general middle and aged population / Eur Heart J 31 (22) : 2799 ~ 2807
Nitzan M / 1998 / The variability of the photoplethysmographic signal : a potential method for the evaluation of the autonomic nervous system / Physiol Meas 19 (1) : 93 ~ 102
Elgendi M / 2012 / On the analysis of fingertip photoplethysmogram signals / Curr Cardiol Rev 8 (1) : 14 ~ 25
Huotari M / 2011 / Photoplethysmography and its detailed pulse waveform analysis for arterial stiffness / J Struct Mech 44 (4) : 345 ~ 362
Kang S / 2010 / Relationship of arterial stiffness and early mild diastolic heart failure in general middle and aged population / Eur Heart J 31 (22) : 2799 ~ 2807
Nitzan M / 1998 / The variability of the photoplethysmographic signal : a potential method for the evaluation of the autonomic nervous system / Physiol Meas 19 (1) : 93 ~ 102
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