Why the study?
Does passive displacement of the skin fold affect blood flow in human cutaneous tissue?
Does passive displacement of the skin fold affect blood flow in human cutaneous tissue?
This physiological study demonstrates the presence of autoregulation of blood flow in human cutaneous tissue within a specific range of blood pressure changes.
Answers are grounded in this paper and cite their sources.
Autoregulation maintains cutaneous blood flow during moderate skin fold displacement; hypothesis-generating for clinical relevance and should not yet change practice.
The presence of autoregulation of blood flow was investigated in human cutaneous tissue of the skin fold between thumb and forefinger by means of die method of epicutaneous atraumatic application of gaseous xenon‐133. 49 studies were performed on 3 healthy subjects. Blood pressure changes were obtained by passive displacement of the skin fold to various test levels above and below the reference level, the jugular notch. Blood flow remained constant for all subjects in an interval around the reference level. The range of autoregulatory ability showed variation. In extreme positions a decrease of blood flow was observed for some subjects. The significance of these findings is discussed.
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Henriksen et al. (1973) studied this question.
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