지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2008.12
- 수록면
- 2,351 - 2,357 (7page)
이용수
초록· 키워드
오류제보하기
Noninvasive radial artery pulse wave has been widely used not only for the pulse wave analysis (PWA) itself but also for assessment of arterial stiffness with estimated aortic pulse wave from peripheral pulse wave. However, it has been found that the deformation of pulse shape can be caused readily by changing measuring position, indentation pressure, and so on. So, in this study, we have developed a system which can measure radial pulse wave and skin displacement simultaneously while the indentation body goes down to occlude subject's radial artery. This system can be divided into a measuring apparatus part, an indentation control hardware part, a data acquisition part and a control and computation part. And, the measuring apparatus consists of an arm-rest, a step motor, an indentation body, a laser displacement sensor(LK-G30, Keyence Co.) and pulse wave sensor.
Under load-free condition and radial artery loaded condition, the evaluation of developed system has been performed. From these results, we can conclude: 1) The developed system can control the indentation body quantitatively and the adopted laser displacement sensor shows linear output characteristic even with skin as a reflector. 2) This system can measure the pulse wave and the displacement of indentation body, that is, skin displacement simultaneously at each specific level of indentation body. 3) This system can provide the number of motor steps used to get down the indentation body, the measured skin displacement, the calculated indentation pressure, the calculated pulse pressure and the pulse waveform as well as the information generated by combining these with each others. 4) This system can reveal the relationship between the morphological changes of pulse wave and the estimated displacement of radial artery wall by indentation.
Consequently, the developed system can furnish more abundant information on radial artery than previous diagnosis systems based on tonometric measurement. In further study, we expect to setup the standard measuring process and to concrete the algorithm for the estimation of radial artery's diameter and of displacement of radial artery's wall. Furthermore, with well designed clinical studies, we hope to turn out the usefulness of developed system in the field of cardiovascular system evaluation.
Under load-free condition and radial artery loaded condition, the evaluation of developed system has been performed. From these results, we can conclude: 1) The developed system can control the indentation body quantitatively and the adopted laser displacement sensor shows linear output characteristic even with skin as a reflector. 2) This system can measure the pulse wave and the displacement of indentation body, that is, skin displacement simultaneously at each specific level of indentation body. 3) This system can provide the number of motor steps used to get down the indentation body, the measured skin displacement, the calculated indentation pressure, the calculated pulse pressure and the pulse waveform as well as the information generated by combining these with each others. 4) This system can reveal the relationship between the morphological changes of pulse wave and the estimated displacement of radial artery wall by indentation.
Consequently, the developed system can furnish more abundant information on radial artery than previous diagnosis systems based on tonometric measurement. In further study, we expect to setup the standard measuring process and to concrete the algorithm for the estimation of radial artery's diameter and of displacement of radial artery's wall. Furthermore, with well designed clinical studies, we hope to turn out the usefulness of developed system in the field of cardiovascular system evaluation.
목차
Abstract
1. 서론
2. 본론
3. 결론
감사의 글
참고문헌
저자소개
참고문헌 (10)
참고문헌 신청
1. [학술지(정기간행물)] - S. Laurent / 2006 / Expert consensus document on arterial stiffness: methodological issues and clinical applications / European Heart Journal 27 : 2588 ~ 2605
2. [학술지(정기간행물)] - A. L. Pauca / 2001 / Prospective evaluation of a method for estimating ascending aortic pressure from the radial artery pressure waveform / Hypertension 38 : 932 ~ 937
3. [학술지(정기간행물)] - C. C. Yyan / 2007 / How to Standardize 3 Finger Positions of Examiner for Palpating Radial Pulses at Wrist in Traditional Chinese Medicine / Acupuncture & Electro-Therapeutics Res 32 : 87 ~ 96
4. [단행본] - Y. J. Lee / 2008 / A Study on Characteristics of Radial Arteries Through Ultrasonic Waves / 30th IEEE EMBS, Vancouver, Canada
5. [단행본] - J. Lee / 2008 / Variations in Non-invasive Radial Artery Pulse Waveform at Different Measuring Positions / 30th IEEE EMBS, Vancouver, Canada
2. [학술지(정기간행물)] - A. L. Pauca / 2001 / Prospective evaluation of a method for estimating ascending aortic pressure from the radial artery pressure waveform / Hypertension 38 : 932 ~ 937
3. [학술지(정기간행물)] - C. C. Yyan / 2007 / How to Standardize 3 Finger Positions of Examiner for Palpating Radial Pulses at Wrist in Traditional Chinese Medicine / Acupuncture & Electro-Therapeutics Res 32 : 87 ~ 96
4. [단행본] - Y. J. Lee / 2008 / A Study on Characteristics of Radial Arteries Through Ultrasonic Waves / 30th IEEE EMBS, Vancouver, Canada
5. [단행본] - J. Lee / 2008 / Variations in Non-invasive Radial Artery Pulse Waveform at Different Measuring Positions / 30th IEEE EMBS, Vancouver, Canada
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UCI(KEPA) : I410-ECN-0101-2009-560-019091256