不同温度变化动态下血流水平与皮肤温度之间的非线性关系。
Nonlinear relationship between level of blood flow and skin temperature for different dynamics of temperature change.
作者信息
Vuksanović Vesna, Sheppard Lawrence William, Stefanovska Aneta
出版信息
Biophys J. 2008 May 15;94(10):L78-80. doi: 10.1529/biophysj.107.127860. Epub 2008 Mar 13.
Abstract
We present a study of the relationship between blood flow and skin temperature under different dynamics of skin-temperature-change: locally induced thermal shock and well controlled, gradual change. First, we demonstrate memory phenomena for blood flow and skin temperature under both conditions. Secondly, we point out that the "hysteresis" loops obtained are dependent on initial conditions, indicating physiological response times of more than twenty minutes. We also show that under thermal shock the level of blood flow is preserved up to some characteristic temperature limit, independently of subject.
摘要
我们开展了一项关于在不同皮肤温度变化动态（局部诱导热休克和控制良好的逐渐变化）下血流与皮肤温度之间关系的研究。首先，我们证明了在这两种情况下血流和皮肤温度均存在记忆现象。其次，我们指出所获得的“滞后”环取决于初始条件，这表明生理反应时间超过二十分钟。我们还表明，在热休克情况下，血流水平在达到某个特征温度极限之前保持不变，且与个体无关。
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