Current expectations of the arterial switch operation in a small volume center: a 20-year, single-center experience

Table 1 Demographic data and anatomic characteristics of 139 patients who underwent an arterial switch operation

			Simple TGA	Complex TGA	Taussig-Bing Anomaly	p value	Total
			n = 78	n = 46	n = 15	p value	n = 139
Age, days			7 (1–48)	12.5 (2–300)	17 (6–485)	<0.001	9 (1–485)
Age (≤14 days)			66 (84.6)	24 (52.2)	7 (46.7)	<0.001	97 (69.8)
Weight, kg			3.3 (2.4–4.8)	3.3 (2.1–7.7)	3.8 (2.8–10.3)	0.063	3.3 (2.1–10.3)
Female			13 (16.7)	17 (38.6)	6 (40.0)	0.016	36 (25.9)
Previous interventions			32 (41.0)	22 (47.8)	9 (60.0)	0.381	63 (45.3)
	BAS		32 (41.0)	20 (43.5)	8 (53.3)	0.680	60 (43.2)
	PAB, PDA ligation		0	1	0		1
	PAB, Atrial septostomy		0	0	1		1
	Modified BT shunt		0	1	0		1
Associated anomalies
	VSD		0 (0)	43 (93.5)	15 (100)	<0.001	58 (41.7)
	Multiple VSD		0 (0)	4 (8.7)	0 (0)	0.022	4 (2.9)
	Aortic arch anomaly		1 (1.3)	5 (10.9)	10 (66.7)	<0.001	16 (11.5)
		Coarctation of aorta	0 (0)	5 (10.9)	7 (46.7)	<0.001	12 (8.6)
		Interrupted aortic arch	0 (0)	0 (0)	2 (13.3)	0.011	2 (1.4)
		Double aortic arch	0 (0)	0 (0)	1 (6.7)	0.108	1 (0.7)
		Retro-esophageal aortic arch	1 (1.3)	0 (0)	0 (0)	1.000	1 (0.7)
	IVC interruption		1 (1.3)	1 (2.2)	0 (0)	1.000	2 (1.4)
	Total anomalous pulmonary venous return		0 (0)	1 (2.2)	0 (0)	0.439	1 (0.7)
	LVOTO		0 (0)	1 (2.2)	0 (0)	0.439	1 (0.7)
	Situs inversus		0 (0)	3 (6.5)	0 (0)	0.065	3 (2.2)
Coronary pattern
	1LCx;2R (Usual)		50 (64.1)	35 (76.1)	7 (46.7)	0.103	92 (66.2)
	1 L;2RCx		13 (16.7)	5 (10.9)	3 (20.0)	0.507	21 (15.1)
	1LR;2Cx		5 (6.4)	0 (0)	2 (13.3)	0.064	7 (5.0)
	1R;2LCx (Inverted)		2 (2.6)	2 (4.3)	0 (0)	0.765	4 (2.9)
	2LCxR (Single coronary)		8 (10.3)	4 (8.7)	3 (20.0)	0.485	15 (10.8)
	Intramural		6 (7.7)	5 (10.9)	1 (6.7)	0.823	12 (8.6)

TGA, transposition of great arteries; BAS, balloon atrial septostomy; PAB, pulmonary artery banding; PDA, patent ductus arteriosus; BT Blalock–Taussig; VSD, ventricular septal defect; IVC, inferior vena cava; TAPVR, total anomalous pulmonary venous return; LVOTO, left ventricular outflow tract obstruction; L, left anterior descending; Cx, circumflex; R, right coronary artery

ISSN: 1749-8090