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    National Tsing Hua University Institutional Repository > 電機資訊學院 > 電機工程學系 > 期刊論文 >  Application of the laser Doppler flowmeter for measurement of blood pressure and functional parameters of microcirculation


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/83598


    Title: Application of the laser Doppler flowmeter for measurement of blood pressure and functional parameters of microcirculation
    Authors: C.-L. Hu;Z.-S. Lin;Y.-Y. Chen;Y.-H. Lin;M.-F. Lai;Meng-Lin Li
    教師: 李夢麟
    Date: 2012
    Publisher: Institute of Physics
    Relation: BIO-MEDICAL MATERIALS AND ENGINEERING, Institute of Physics, Volume 22, Issue 6, 2012, Pages 351-359
    Keywords: CUTANEOUS REACTIVE HYPEREMIA
    FLOW
    Abstract: The laser Doppler flowmeter has become an effective tool for the clinical study of microcirculation with non-invasive measurements and excellent velocity resolution. Microcirculation flow measurements cannot be used as reference criteria for circulation function. Thus, the relative change in fingertip microcirculation was measured through inflation and deflation of an automatic sphygmomanometer wrapped around the arm, and the blood pressure and functional parameters of circulation, such as biological zero (BZ), peak flow (PF) and time to peak flow (t(p)), were determined. For 50 healthy participants, the correlation coefficients for the laser Doppler flowmeter and oscillometric results were 0.950 and 0.838 for systolic and diastolic pressure, respectively. The mean and standard errors for both methods fell within the range specified in the Association for the Advancement of Medical Instrumentation standards. The BZ of an edema patient was about 5 times higher than normal. For patients with peripheral arterial occlusive disease (PAOD), the PF could not be determined, and the tp was about twice the normal value. The accuracy of blood pressure measurements using the laser Doppler flowmeter was comparable to that of the commonly used oscillometric sphygmomanometer, and the physiological circulation functional parameters were useful in identifying signs of edema and PAOD.
    Relation Link: http://www.iop.org/
    URI: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/83598
    Appears in Collections:[電機工程學系] 期刊論文
    [光電研究中心] 期刊論文

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