The Registry and Follow-Up of Complex Pediatric Therapies Program of Western Canada: A Mechanism for Service, Audit, and Research after Life-Saving Therapies for Young Children

Table 2

Type of complex cardiac surgery at ≤6 weeks of age in relation to grouped years of surgery: 1996–2010.

Years	Total	ASO	Norwood for HLHS	TAPVC	Other
	𝑛=659	𝑛=188	𝑛=146	𝑛=81	𝑛=244
1996–1999	92 (14%)	28 (15%)	25 (17%)	9 (11%)	30 (12%) (9 ca)
2000–2002	119 (18%)	35 (19%)	36 (25%) (2 ca)	19 (23%) (1 ca)	29 (12%) (7 ca)
2003–2005	149 (22%)	51 (27%)	31 (21%) (1 ca)	20 (25%)	47 (19%) (14 ca)
2006–2008	156 (24%)	42 (22%)	34 (23%)	20 (25%)	60 (25%) (11 ca)
2009-2010	143 (22%)	32 (17%) (1 ca)	20 (14%)	13 (16%)	78 (32%) (7 ca)

ASO = arterial switch operation.
HLHS = hypoplastic left heart syndrome.
TAPVC = total anomalous pulmonary venous correction.
ca = chromosomal abnormalities.
Other by primary defect = pulmonary atresia, 52; interrupted aortic arch, 36; tetralogy of fallot, 34; truncus arteriosus, 32; double outlet right ventricle, 24; hypoplastic aortic Arch, 14; AV canal, 14; tricuspid atresia, 10; Other, 28.
Note: 52 (7.9%) of 659 had chromosomal abnormalities.