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Table 1 Preoperative and operative data

From: Surgical strategies protecting against right ventricular dilatation following tetralogy of Fallot repair

Patients’ characteristic

Value

Age (months)

 Mean ± SD

13.1 ± 4.8

 Median

11

 Range

8–26

Male

31 (67.4%)

Weight (Kg)

 Mean ± SD

9.5 ± 2.3

 Median

9

 Range

6–16

Associated lesions:

 ASD

4 (8.7%)

 PDA

7 (15.2%)

 PLSVC

1 (2.2%)

McGoon Ratio

 Mean ± SD

1.9 ± 0.14

 Median

1.9

 Range

1.7–2.2

RVOT pressure Gradient (mmHg)

 Mean ± SD

80.9 ± 7.7

 Median

80

 Range

65–97

Prior MBT shunt

8 (17.4%)

Coronary anomalies

 No

40 (86.96%)

 Minor

5 (10.87%)

 Major

1 (2.17%)

Preoperative Rhythm

 Sinus

44 (95.66%)

 Partial HB

1 (2.17%)

 Complete HB

1 (2.17%)

TAP

11 (23.9%)

Cardiopulmonary bypass time (min)

 Mean ± SD

71.2 ± 6.3

 Median

70

 Range

55–94

Ischemic time (min)

 Mean ± SD

42.4 ± 4.9

 Median

42

 Range

35–62

Pulmonary valve morphology

 Unicuspid

1 (2.17%)

 Bicuspid

26 (56.52%)

 Tricuspid

17 (36.96%)

 Indeterminate

2 (4.35%)

Pulmonary valve commissurotomy

40 (86.96%)

TV repair

33 (71.74%)

  1. (Continuous variables are expressed as mean ± SD, median and range) Categorical variables are presented as number and (percent)) ASD Atrial septal defect, PDA Patent ductus arteriosus, PLSVC Persistent left superior vena cava, RVOT Right ventricular outflow tract, MBT Modified Blalock Taussig shunt, HB Heart block, TAP Trans-annular patch