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Table 3 Comparison between cases with and without arrhythmias in clinical, Echocardiographic and MRI findings

From: Arrhythmias in repaired pediatric and adolescent Fallot tetralogy, correlation with cardiac MRI parameters

 

Cases with arrhythmias (18 cases) mean ± SD (range)

Cases without arrhythmias (14 cases) mean ± SD (range)

p value

Age (year)

14.82 ± 2.6

10.87 ± 2.95

0.001*

Mo

177.88 ± 31.24

130.40 ± 35.385

 

Age at surgery (mo)

35 ± 21

32.47 ± 23.04

0.7

Duration post operatively (mo)

142.71 ± 33.11

97.93 ± 36.52

0.001*

Weight centile

37 ± 25.87

22.57 ± 17.18

0.08

Height centile

35.53 ± 28.05

27.79 ± 25.22

0.4

Na

135.29 ± 7.5

140.13 ± 5.92

0.18

K

4.13 ± 0.5

4.38 ± 0.6

0.39

Hb

11.58 ± 1.40

12.57 ± 0.94

0.06

WBCs

6.57 ± 1.89

11.59 ± 11.56

0.11

Platelets

279.20 ± 83.022

335.1 ± 92.1

0.12

QRS duration (msec)

117.6 ± 22.2

117.6 ± 24

0.95

Echocardiographic findings

LVEDD (mm)

32.62 ± 16.03

32.76 ± 9.53

0.9

FS %

38 ± 9.39

37.52 ± 7.13

0.88

MRI findings

RVEF (%)

49.88 ± 6.86

54 ± 8.85

0.16

RVEDVI (ml/m2)

153.18 ± 48.94

165.73 ± 73.31

0.56

RVESVI (ml/m2)

85.1 ± 39.1

71.6 ± 21.2

0.4

LVEDVI (ml/m2)

91.98 ± 56.7

79 ± 36.3

0.47

LVEF (%)

56.82 ± 4.75

60.5 ± 5.91

0.06

RVEDVI/LVEDVI

1.9 ± 0.3

1.85 ± 0.3

0.57

PR fraction (%)

41.44 ± 13.05

44.6 ± 13.34

0.5

  1. FS fractional shortening, LVEDD left ventricular end diastolic diameter, RVEF right ventricular ejection fraction, RVEDI right ventricular end diastolic volume index, LVEDV left ventricular end diastolic volume, LVEF left ventricular ejection fraction, PR fraction pulmonary regurgitation fraction
  2. *p Value is significant if less than 0.05