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Table 2 Conventional echocardiographic parameters derived from two-dimensional and Doppler imaging

From: Novel functional advanced echocardiography for the assessment of myocardial mechanics in children with neurocardiogenic syncope – a blinded prospective speckle tracking head-up tilt-table challenge study

 

Syncope (HUTT+)

(n = 21)

Syncope (HUTT-)

(n = 22)

Control

(n = 41)

p-value (ANOVA)

LA/AoR

1.08 ± 0.13

1.15 ± 0.17

1.07 ± 0.15

0.480

Fractional shortening (%)

34.48 ± 9.65

33.65 ± 9.18

34.02 ± 3.14

0.760

Interventricular septal end-diastolic diameter (cm)

0.97 ± 0.36

0.86 ± 0.29

0.83 ± 0.14

0.150

LV end-diastolic diameter (cm)

4.35 ± 1.26

4.24 ± 1.31

4.41 ± 0.76

0.764

LV posterior wall diameter. Diastolic (cm)

1.01 ± 0.32

0.98 ± 0.31

0.9 ± 0.24

0.244

LV mass (g)

149.65 ± 74.99

130.55 ± 63.00

128.41 ± 60.62

0.578

LV end-diastolic volume (ml)

91.08 ± 29.21

93.59 ± 36.73

94.92 ± 30.29

0.937

Ejection fraction (%)

54.25 ± 2.94

54.69 ± 6.59

56.66 ± 4.43

0.263

Stroke volume (ml)

46.76 ± 17.34

53.49 ± 21.29

53.79 ± 17.61

0.796

E-Wave / A-Wave

2.12 ± 0.68

2.16 ± 0.85

1.95 ± 0.65

0.352

Mitral deceleration time (s)

0.17 ± 0.07

0.20 ± 0.07

0.16 ± 0.06

0.028

E/E’ (cm/s)

7.46 ± 1.11

7.56 ± 2.35

7.25 ± 1.84

0.833