Haemoconcentration and accumulation of white cells in the feet during venous stasis.


In experiments on eight healthy human subjects changes in the composition of the venous blood leaving the foot were examined during a 45-min period of sitting. Each subject reclined for 30-min before sitting with the foot approximately 1 m below the heart. Fluid filtration from the plasma into the tissues during sitting raised the haematocrit from an… (More)