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Table 5 Pre- and postoperative echocardiographic parameters of left ventricular function

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)

Left ventricular ejection fraction, %

Before surgery

63.7 ± 6.2

63.6 ± 6.3

61.6 ± 5.9

7 days after surgery

63.0 ± 6.6

61.9 ± 7.0

62.5 ± 6.7

Left ventricular end-systolic volume, mL

Before surgery

50.4 ± 15.1

49.7 ± 15.1

53.3 ± 14.8

7 days after surgery

48.2 ± 11.9

50.8 ± 15.3

50.5 ± 14.2

Left ventricular end-diastolic volume, mL

Before surgery

137.3 ± 21.9

134.6 ± 22.1

137.1 ± 18.7

7 days after surgery

130.1 ± 13.7

130.9 ± 22.5

134.0 ± 19.7

Left ventricular end-systolic diameter, mm

Before surgery

35.4 ± 4.2

34.5 ± 4.5

34.2 ± 3.7

7 days after surgery

33.6 ± 3.3

34.8 ± 4.1

34.3 ± 3.6

Left ventricular end-diastolic diameter, mm

Before surgery

53.0 ± 3.0

52.7 ± 3.7

53.2 ± 3.7

7 days after surgery

51.9 ± 2.2

52.4 ± 3.8

52.6 ± 3.2

  1. Data are mean ± standard deviation. IP – local ischemic preconditioning.