Alterations in tissue blood volume induced by tourniquet application

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Abstract
The application of occluding tourniquets to both hind legs of unanesthetized mice produced widespread changes in the distribution of plasma and red cells throughout the peripheral circulation. Following tourniquet application the plasma volume within all tissues declined except for lung which remained unaltered and muscle which exhibited an increase. The red cell volume changed variably, declining in liver and spleen, rising in kidney and muscle and remaining unchanged in the other tissues analyzed. These changes were suggestive of a somewhat generalized increase in peripherovascular constrictor activity which included venous resistance vessels in addition to arterioles.
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