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.
초록· 키워드
오류제보하기
The ideal method which measures a blood vessel of senility and degree of arteriosclerosis is to measure compliance of arterial and condition of blood circulation at the periphery. In these days vascular stiffness have been assessed by analyzing PTT (pulse transit time) from ECG and PPG. PTT is that between toe and finger each subject estimated through ECG and PPG signals. Two parameters, which are related to PWV, were tested with the time delay between the finger and toe. PWV is a variation of quantity which is associated with vascular stiffness. These researches which use PTT and PWV don't consider the blood vessel characteristic of an individual. In this current research, we have used with the blood vessel characteristic of an individual. That is an assessment of vascular stiffness using the variation of quantity in PWV with the changes of position in the subject.
PWV variation increased as functions of the subject's age. The increase of the PWV variation parameters with age is attributed to the direct decrease of the blood vessel compliance with different position. The quantity of variation estimated by experimental results is that old age's (75.78±7.75) case is 113.68% and young age's (26.47±2.04) case is 85.69%. We proved and presented about estimation of vascular stiffness of possibility by this result.
목차
등록된 정보가 없습니다.
참고문헌 (12)
참고문헌 신청
J.G.Webster / 1997 / Design of pulse Oximeters / Publshing Inc
Jason W. Daniels / 1998 / Effects of caffeine on blood pressure, heart rate, and forearm blood flow during dynamic leg exercise / J Appl Physiol 85 (1) : 154 ~ 159
John Allen / 2007 / Photoplethysmography and its application in clinical physiological measurement / Physiol. Meas 28 : R1 ~ R39
K. Narimatsu / 2001 / A multi-element caroid tonometry sensor for non-invasive measurement of pulse wave velocity / Frontiers Med. Biol. Engng 11 (1) : 45 ~ 58
M. Nitzan / 2002 / The difference in pulse transit time to the toe and finger measured by photoplethysmo- graphy / Physiol. Meas 23 (1) : 85 ~ 93
Jason W. Daniels / 1998 / Effects of caffeine on blood pressure, heart rate, and forearm blood flow during dynamic leg exercise / J Appl Physiol 85 (1) : 154 ~ 159
John Allen / 2007 / Photoplethysmography and its application in clinical physiological measurement / Physiol. Meas 28 : R1 ~ R39
K. Narimatsu / 2001 / A multi-element caroid tonometry sensor for non-invasive measurement of pulse wave velocity / Frontiers Med. Biol. Engng 11 (1) : 45 ~ 58
M. Nitzan / 2002 / The difference in pulse transit time to the toe and finger measured by photoplethysmo- graphy / Physiol. Meas 23 (1) : 85 ~ 93
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