Beat-by-beat double-normalized pulse volume derived photoplethysmographically as a new quantitative index of finger vascular tone in humans
Beat-by-beat double-normalized pulse volume derived photoplethysmographically as a new quantitative index of finger vascular tone in humans
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通过光电体积描记法得出的逐次双归一化脉搏量作为人类手指血管张力的新定量指标
DOI：
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发表时间：
2000
影响因子：
3
通讯作者：
K. Yamakoshi
中科院分区：
文献类型：
--
作者：
G. Tanaka;Y. Sawada;K. Yamakoshi
记录10例被试对侧手浸泡在3种不同温度（44℃、22℃、11℃）的水中时近红外手指光体积图，计算双归一化脉搏体积（DNPV = ΔVb/Vb; Vb =指尖总血容量，ΔVb = Vb的脉动分量）。将左手手指的DNPV与左手无名指平均血压除以左手无名指皮肤血流量得出的皮肤血管阻力（CVR）进行逐次比较。在三个温度下，被试的DNPVLF和CVRLF （LF， DNPV和CVR的低频成分）的总体相关性在- 0.89到- 0.96之间。在调整了最大血管壁延伸（DNPVmax）后，相关性变得更强。结论：DNPV是一种可靠有效的手指血管张力指标。
Abstract Near-infrared finger photoplethysmograms were recorded and double-normalized pulse volumes (DNPV = ΔVb/Vb; Vb = total blood volume in the fingertip, ΔVb = pulsatile component of Vb) were calculated in ten subjects during, immersion of the contralateral hand in water at three different temperatures (44°C, 22°C, 11°C). The DNPV from the left finger was compared beat-by-beat with cutaneous vascular resistance (CVR) derived by dividing mean blood pressure of the left third finger by cutaneous blood flow of the left fourth finger. The correlations overall at the three temperatures between log DNPVLF and log CVRLF (LF, low frequency component of DNPV and CVR) ranged from −0.89 to −0.96 among the subjects. After adjusting for a maximal extension of the vascular wall (DNPVmax), the correlations became stronger. It was concluded that DNPV was a reliable and valid indicator of vascular tone in the finger.
急性应激会增加清醒大鼠的静脉运动张力。
DOI：
10.1152/ajpheart.1996.271.4.h1375
发表时间：
1996
期刊：
The American journal of physiology.
影响因子：
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作者：
Martin,DS;Appelt,C;Rodrigo,MC;Egland,MC
通讯作者：
Egland,MC
热应激和衰老对压力反射敏感性和血压频谱功率的调节。
DOI：
10.1152/ajpheart.1997.272.2.h776
发表时间：
1997
期刊：
The American journal of physiology
影响因子：
--
作者：
Stauss,HM;Morgan,DA;Anderson,KE;Massett,MP;Kregel,KC
通讯作者：
Kregel,KC
血压正常的高血压高危男性在休息和行为压力期间的血流动力学。
DOI：
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发表时间：
1998
期刊：
Psychophysiology.
影响因子：
--
作者：
Lovallo,WR;al'Absi,M
通讯作者：
al'Absi,M