Table 3.

Interstage and Associated Procedures, n = 58

	Pre-HF	At HF	Pre-TCPC⁎	At TCPC
Aortic arch†	4 (6.9%)	11 (19.0%)	0 (0.0%)	0 (0.0%)
Pulmonary arteries	2 (3.4%)	4 (6.9%)	0 (0.0%)	0 (0.0%)
Tricuspid valve	0 (0.0%)	1 (1.7%)	2 (3.4%)	11 (19.0%)
Collateral occlusion‡	0 (0.0%)	2 (3.4%)	3 (5.2%)	1 (1.7%)
Other§	2 (3.4%)	1 (1.7%)	3 (5.2%)	0 (0.0%)

Values are n (%). All pre-HF procedures were catheter procedures.

Abbreviations as in Table 2.

^⁎Pre-TCPC: surgical relief of pulmonary vein stenosis and ligation of collateral; plication of eventration of the right diaphragm.

^†The 4 patients who had aortic arch balloons before HF are included in the 11 who had an arch repair at HF.

^‡One patient had venovenous collaterals occluded at HF and then venovenous collaterals and aortopulmonary collaterals occluded before TCPC.

^§Before HF: shunt stent, atrial septal stent; at HF: reimplantation of the innominate artery.