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We tested the hypothesis that high-viscosity (HV) plasma in extreme hemodilution causes wall shear stress to be greater than low-viscosity (LV) plasma, leading to enhanced production of nitric oxide (NO). The perivascular concentration of NO was measured in arterioles and venules and the tissue of the hamster chamber window model, subjected to acute extreme(More)
Cardiac output (CO) measurements based on indicator dilution, microspheres, thermodilution and ultrasonic sensors are not suitable for small animals, because of limited blood volume, high heart rates and small caliber vessels that do not allow probe placement within the heart. We developed a modified thermodilution method to measure CO in awake animals(More)
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