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Table 1.

Kinetics of restoration of plasma volume following 40% plasma volume expansion with saline or trout plasma

Plasma volume (ml kg-1)
Half-time (min)
InfusionInitial HctInitialExpandedaEquilibriumbkr2
Saline (N=12) 27.9±2.3 25.1±2.2 35.3±1.1 28.1 0.102 6.8 0.99 
Plasma (N=15) 30.7±2.1 24.4±1.4 33.9±1.0 27.3 0.045 15.4 0.99 
Plasma volume (ml kg-1)
Half-time (min)
InfusionInitial HctInitialExpandedaEquilibriumbkr2
Saline (N=12) 27.9±2.3 25.1±2.2 35.3±1.1 28.1 0.102 6.8 0.99 
Plasma (N=15) 30.7±2.1 24.4±1.4 33.9±1.0 27.3 0.045 15.4 0.99 

k, rate constant; r2, from mono-exponential curve-fit.

Values are means ± S.E.M., N = number of fish.

a

Sum of initial plasma volume and volume of saline or plasma infused.

b

Predicted plasma volume after fluid efflux from the capillary has ceased(calculated from the exponential decay curve; Equation 2).

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