Concurrent measurement of skeletal muscle blood flow during exercise with diffuse correlation spectroscopy and Doppler ultrasound

被引：21

作者：

Bangalore-Yogananda, Chandan-Ganesh ^{[1
]}

Rosenberry, Ryan ^{[2
]}

Soni, Sagar ^{[1
]}

Liu, Hanli ^{[1
]}

Nelson, Michael D. ^{[1
,2
]}

Tian, Fenghua ^{[1
]}

机构：

[1] Univ Texas Arlington, Dept Bioengn, 500 UTA Blvd, Arlington, TX 76010 USA

[2] Univ Texas Arlington, Dept Kinesiol, 411 S Nedderman Dr, Arlington, TX 76010 USA

来源：

BIOMEDICAL OPTICS EXPRESS | 2018年 / 9卷 / 01期

基金：

美国国家卫生研究院;

关键词：

ALL-CAUSE MORTALITY; PHYSICAL-FITNESS; HEALTHY;

D O I：

10.1364/BOE.9.000131

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Noninvasive, direct measurement of local muscle blood flow in humans remains limited. Diffuse correlation spectroscopy (DCS) is an emerging technique to measure regional blood flow at the microvascular level. In order to better understand the strengths and limitations of this novel technique, we performed a validation study by comparing muscle blood flow changes measured with DCS and Doppler ultrasound during exercise. Nine subjects were measured (all males. 27.4 +/- 2.9 years of age) for a rhythmic handgrip exercise at 20% and 50% of individual maximum voluntary contraction (MVC), followed by a post-exercise recovery. The results from DCS and Doppler ultrasound were highly correlated (R = 0.99 +/- 0.02). DCS was more reliable and less susceptible to motion artifact. (C) 2017 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：131 / 141

页数：11

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