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Table 6 Pre- and postoperative values of cardiac index (L/min/m 2 )

From: New technique of local ischemic preconditioning induction without repetitive aortic cross-clamping in cardiac surgery

Time point Control (n = 30) Perfusion (n = 30) IP (n = 30)
Before anesthesia 2.7 ± 0.4 2.6 ± 0.4 2.7 ± 0.3
Prior to CPB 1.9 ± 0.2 2,0 ± 0.4 1.9 ± 0.2
After weaning from CPB 3.0 ± 0.2 2.9 ± 0.3 3.4 ± 0.3**#
12 h after surgery 3.1 ± 0.7 2.8 ± 0.4* 2.9 ± 0.6
24 h after surgery 3.0 ± 0.5 2.7 ± 0.3* 2.9 ± 0.3&
  1. Data are mean ± standard deviation. CPB – cardiopulmonary bypass; IP – local ischemic preconditioning. *P < 0.05 versus Control; **P < 0.01 vs. Control; #P < 0.01 vs. Perfusion; & – P < 0.05 vs. Perfusion.