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(a) Work done by the heart per stroke volume and (b) systemic vascular resistance at 0 min and 60 min after hemodilution. The baseline mean and standard deviation for work done by the heart per stroke volume (SW/SV) is 110 ± 6 mmHg and systemic vascular resistance (SVR) is 10.8 ± 3.7 mmHg min ml-1. Broken line represents the values at baseline. Values are presented as means ± SD. *P<0.05; **P<0.01 compared with baseline. † P<0.05 compared between groups
