Pulmonary, aorta, and coronary arteries post-arterial switch in transposition of great arteries: intermediate-term surveillance utilizing conventional echocardiography and cardiac multislice computed tomography

Table 5 Linear correlation of PA branches bending angle with aortic-related measurements and cross-sectional area and Z score of PA in cases with PAs stenosis

	RPA Bending Angle		LPA Bending Angle
	*rho*	P	*rho*	P
Aortic annulus*	-0.48	0.1	0.21	0.49
Aortic annulus Z	-0.28	0.36	0.11	0.72
SOV*	-0.19	0.55	0.65	0.016**
SOV Z	-0.05	0.87	0.69	0.01**
SOV area/SA	-0.41	0.23	0.75	0.04**
STJ*	0.13	0.67	0.11	0.71
STJ Z	0.16	0.6	-0.09	0.75
Ascending Aorta*	-0.11	0.71	0.36	0.23
Ascending Aorta Z	0.24	0.43	0.53	0.06
Isthmus*	0.09	0.77	0.54	0.048**
Isthmus Z	0.31	0.31	0.64	0.02**
MPA axial angel	-0.41	0.16	0.31	0.3
Cross-sectional area of the respective PA	-0.78	0.008**	-0.41	0.20
Z-score of the respective PA	-0.517	0.13	-0.43	0.34

LPA: left pulmonary artery, MPA: main pulmonary artery, RPA: right pulmonary artery, SOV: sinus of Valsalva, STJ: Sinotubular junction, p: Significance value (2-tailed), rho: Spearman coefficient, Z: Z-score
* Diameter
**p value significant if ≤ 0.05

ISSN: 1824-7288