犬工作和非工作骨骼肌中的红细胞增多症、血液黏度与血流
Polycythemia, viscosity and blood flow in working and non-working skeletal muscle in the dog.
作者信息
Gustafsson L, Appelgren L, Myrvold H E
出版信息
Bibl Anat. 1979(18):56-9.
PMID:496880
Abstract
The relationship between hematocrit and blood flow in the vasodilated working and non-working skeletal muscle at different perfusion pressures was studied. After acutely induced polycythemia in the flow decreased by 35% in the non-working muscle which was proportional to the increase of viscosity measured in vitro. In the working muscle there was only a small non-significant decrease of flow after polycythemia indicating flow improvement at increased hematocrit by rhythmic muscle contractions.
摘要
研究了不同灌注压力下，血管舒张状态的工作和非工作骨骼肌中血细胞比容与血流之间的关系。急性诱导红细胞增多症后，非工作肌肉中的血流减少了35%，这与体外测量的粘度增加成正比。在工作肌肉中，红细胞增多症后血流仅有轻微的、无统计学意义的减少，表明通过有节律的肌肉收缩，血细胞比容增加时血流得到改善。
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