Table 1:

Patient characteristics (n= 38)

Male:female (n)	21:17
Age at first CAVVP [years, median (range)]	1.4 (0–38)
Body weight at first CAVVP [kg, median (range)]	7 (3.3–43)
Main diagnosis (n)
Unbalanced atrioventricular septal defect	25
With hypoplastic LV	23
With hypoplastic RV	2
Common inlet right ventricle	11
Hypoplastic left heart syndrome	2
Associated lesions [n (%)]
Right atrial isomerism	24 (63.2%)
TAPVC	15 (39.5%)
Procedures of CAVVP [47 operations for 38 patients, n (%)]
Bivalvation	27 (57.4%)
Annuloplasty	28 (59.6%)
Cleft suture	19 (39.6%)

CAVVP: common atrioventricular valve plasty; LV: left ventricle; RV: right ventricle; TAPVC: total anomalous of pulmonary venous connection; CAVV: common atrioventricular valve.