Skip to main content

Table 3 Conventional echocardiographic parameters

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

Septal thickness (mm)

10.9 ± 1.7

10.7 ± 2.0

0.292

Posterior wall thickness (mm)

10.3 ± 2.1

10.4 ± 1.8

0.692

LV end-diastolic dimension (mm)

51.4. ± 5.5

48.1 ± 5.7

<0.001

LV end-systolic dimension (mm)

31.2 ± 4.2

29.3 ± 4.5

<0.001

LV end-diastolic volume (mL/ m2)

67.4 ± 15.7

56.2 ± 17.9

<0.001

LV end-systolic volume (mL/ m2)

23.6 ± 6.5

20.6 ± 7.8

<0.001

Stroke volume (mL/m2)

42.2 ± 10.0

35.7 ± 10.8

0.033

LVEF (%)

65.1 ± 4.4

63.6 ± 4.3

0.023

LV mass index (g/m2)

119.9 ± 29.4

109.9 ± 30.0

<0.001

E wave (cm/s)

80.3 ± 24.7

58.4 ± 23.7

<0.001

A wave (cm/s)

87.5 ± 19.8

85.6 ± 29.1

0.685

E/A ratio

0.95 ± 0.34

0.74 ± 0.30

<0.001

DT (ms)

209.2 ± 43.1

224.0 ± 46.2

0.015

IVRT (ms)

84.4 ± 15.6

101.4 ± 23.8

<0.001

A wave duration (ms)

147.6 ± 17.7

148.9 ± 18.4

0.640

LA volume index (mL/m2)

49.7 ± 13.8

36.9 ± 14.4

<0.001

e’ (cm/s)

6.61 ± 1.62

6.00 ± 1.50

0.001

a’ (cm/s)

9.31 ± 2.52

8.91 ± 1.42

0.298

E/e’

12.83 ± 5.08

10.05 ± 4.22

<0.001

  1. LV left ventricle, LVEF Left ventricular ejection fraction, E wave: Peak early diastolic mitral inflow velocity, A wave: Peak late diastolic mitral inflow velocity, DT Deceleration time of peak early diastolic mitral inflow velocity, IVRT Isovolumic relaxation time, LA left atrium, e’: Average of peak early diastolic tissue velocity measured at septal and lateral mitral annulus, a’: Average of peak late diastolic tissue velocity measured at septal and lateral mitral annulus, E/e’: Ratio between peak early diastolic mitral inflow velocity and peak early diastolic tissue velocity