Table 1: Sociodemographic variables.

Variable

n (%)

Gender

Male

43 (38)

Female

69 (62)

Age

Neonates (< 1 month)

9 (8)

Young infants (1 month to one year)

12 (11)

Older infants (> 1 year to two years)

17 (15)

Preschoolers (Three to five years)

31 (28)

Schoolchildren (Six to 12 years)

35 (31)

Adolescents (13 to 17 years)

8 (7)

Diagnosis according to sequential classification

Malformations of venous return

2 (2)

Atrial malformations

25 (22)

Malformations of the AV connection

0 (0)

Ventricular malformations

14 (12)

Malformations of the VA connection

0 (0)

Malformations of the great arteries

68 (61)

Other congenital and/or pediatric heart diseases

4 (3)

Operative risk (RACHS-1 scale)

RACHS-1 of 1

83 (74)

RACHS-1 of 2

9 (8)

RACHS-1 of 3

4 (4)

RACHS-1 of 4

5 (4)

RACHS-1 of 5

2 (2)

RACHS-1 of 6

0 (0)

RACHS-1 Non-classifiable

10 (9)

Type of procedure

Primary surgery

112 (99)

Re-operation

1 (1)

Opportunity of surgery

Elective

89 (78)

Urgent

24 (22)

Need for CPB

Without CPB

74 (65)

With CPB

39 (35)

Cardiothoracic surgical procedure performed

Cardiovascular procedure

111 (98)

Thoraco-pulmonary procedure

2 (2)

Total number of

surgical procedures performed

113 (100)

Total number of patients operated

112 (100)

AV = atrioventricular.

CPB = cardiopulmonary bypass.

RACHS-1 = Risk Adjustment in Congenital Heart Surgery -1.

VA = ventriculoarterial.