Table 1

Demographic, anatomic and surgical characteristics

VariableAll patients (N=873)Outcome (death/VT) (N=32)No outcome (N=841)p Value
Median age at repair (years)2.9 (0–57.2)5.5 (0–40.9)2.9 (0–57.2)0.08
Median age at last CMR (years)24.4 (0.2–72.3)35.3 (0.6–72.3)24.1 (0.2–71.6)0.02
Time from repair to CMR (years)21 (0–58)26 (0–38)21 (0–58)0.27
Follow-up time after first CMR (years)4.2 (0.04–12.2)2.8 (0.04–11.2)4.2 (0.09–12.2)0.26
Gender, male479 (55%)20 (63%)459 (55%)0.47
Body surface area (m2)1.7±0.41.7±0.51.7±0.40.75
Diagnosis0.001
 Tetralogy of Fallot, pulmonary stenosis725 (83%)19 (59%)706 (84%)
 Tetralogy of Fallot, pulmonary atresia131 (15%)13 (41%)118 (14%)
 Tetralogy of Fallot, AV canal17 (2%)0 (0%)17 (2%)
Additional cardiovascular anomaly323 (37%)12 (38%)311 (37%)1.00
Comorbidities197 (23%)11 (34%)186 (22%)0.13
Associated genetic disorder87 (10%)5 (16%)82 (10%)0.24
Prior palliative shunt314 (36%)19 (59%)295 (35%)0.008
Type of repair<0.001
 Transannular patch442 (51%)7 (22%)435 (52%)
 RV-to-PA conduit119 (14%)13 (41%)106 (13%)
 Non-transannular patch136 (16%)5 (16%)131 (16%)
 Infundibular resection and pulmonary valvotomy51 (6%)1 (3%)50 (6%)
 Infundibular resection alone29 (3%)1 (3%)28 (3%)
 Pulmonary valvotomy alone28 (3%)2 (6%)26 (3%)
 Other68 (8%)3 (9%)65 (8%)
Subsequent revision of repair261 (30%)12 (38%)249 (30%)0.33
Pulmonary valve replacement315 (36%)15 (47%)300 (36%)0.20
Other cardiac procedure(s) (eg, branch PA plasty)665 (76%)30 (94%)635 (76%)0.02
  • Data are count (percentage), mean±SD, or median (range).

  • AV, atrioventricular; CMR, cardiac MR; PA, pulmonary artery; VT, ventricular tachycardia.