Skip to main content

Table 3 Changes in LV morphology and function before and after pericardial incision

From: Effect of pericardial incision on left ventricular morphology and systolic function in patients during coronary artery bypass grafting

Parameter

Before pericardial incision (n = 27)

After pericardial incision (n = 27)

P-value

LV longitudinal diameter (mm)

71.48 ± 7.48

70.19 ± 8.00

0.20

LV mid-cavity transversal diameter (mm)

36.74 ± 3.99

41.41 ± 4.59

<0.001

LV sphericity index

1.96 ± 0.26

1.70 ± 0.19

<0.001

LV internal diameter (mm)

44.65 ± 6.06

45.10 ± 6.42

0.64

Posterior wall thickness (mm)

7.59 ± 1.06

8.13 ± 0.82

0.007

Relative wall thickness (cm)

0.34 ± 0.06

0.37 ± 0.06

0.04

Mitral E (m/s)

0.66 ± 0.20

0.61 ± 0.18

0.17

Mitral A (m/s)

0.87 ± 0.18

0.83 ± 0.17

0.18

Mitral E/A

0.81 ± 0.38

0.77 ± 0.29

0.47

Septal e’ (cm/s)

6.26 ± 2.15

6.04 ± 2.10

0.16

Lateral e’ (cm/s)

7.66 ± 2.81

7.47 ± 2.88

0.10

Mitral average E/e’

10.38 ± 3.62

10.16 ± 3.79

0.58

Tricuspid regurgitation velocity (m/s)

1.52 ± 0.61

1.47 ± 0.59

0.43

LV end-diastolic volume (mL)

109.48 ± 35.05

110.33 ± 35.33

0.25

LV end-systolic volume (mL)

47.85 ± 22.12

49.04 ± 22.58

0.26

LV stroke volume (mL)

61.63 ± 15.06

61.30 ± 15.85

0.74

LVEF (%)

57.41 ± 6.08

56.63 ± 6.82

0.35

GLS (%)

−15.86 ± 2.66

−12.39 ± 3.27

<0.001

GCS (%)

−22.25 ± 4.56

−18.45 ± 5.07

<0.001

GRS (%)

18.41 ± 6.05

23.13 ± 7.32

<0.001

Apical rotation (°)

3.67 ± 1.69

1.63 ± 0.70

<0.001

Basal rotation (°)

−4.14 ± 1.04

−3.08 ± 1.12

<0.001

Twist (°)

7.81 ± 2.12

4.71 ± 1.22

<0.001

  1. Data are expressed as mean ± standard deviation
  2. Abbreviations: LV left ventricular, E mitral inflow early diastolic velocity, A mitral inflow late diastolic velocity, e’ mitral annular early diastolic velocity, LVEF left ventricular ejection fraction, GLS global longitudinal strain, GCS global circumferential strain, GRS global radial strain