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Table 4 Left ventricular volumes, strains, twist, and torsion in patients with end-stage renal disease (ESRD) before and after hemodialysis (HD) measured by 3-dimensional speckle tracking echocardiography

From: The impact of preload on 3-dimensional deformation parameters: principal strain, twist and torsion

 

Pre-HD (n = 58)

Post-HD (n = 58)

P value

Frame rates (/min)

26.3 ± 4.6

25.2 ± 4.7

0.120

LV end-diastolic volume (mL/m2)

73.0 ± 17.0

61.2 ± 15.2

<0.001

LV end-systolic volume (mL/m2)

25.9 ± 7.6

24.0 ± 6.9

<0.001

LV stroke volume (mL/ m2)

47.1 ± 10.4

37.2 ± 8.9

<0.001

LV ejection fraction

64.9 ± 3.9

61.0 ± 3.3

<0.001

Global principal strain (%)

−38.10 ± 3.71

−35.33 ± 3.22

<0.001

Global longitudinal strain (%)

−24.57 ± 2.51

−21.42 ± 2.15

<0.001

Global circumferential strain (%)

−33.35 ± 3.50

−30.90 ± 3.22

<0.001

Global radial strain (%)

47.67 ± 4.27

42.90 ± 3.61

<0.001

Twist (degree)

17.69 ± 7.80

13.34 ± 6.92

<0.001

Torsion (degree/s)

2.04 ± 0.86

1.59 ± 0.80

<0.001

  1. LV Left ventricle