Aortic prosthetic size predictor in aortic valve replacement

Table 4 Pearson correlation coefficients between imaging-measured diameters and intraoperative prothesis size

Imaging modality	Calculated aortic annulus diameters
Imaging modality	All patients	Mechanical valve	Tissue valve
TTE diameter (PLAX diameter)	0.59	0.65	0.49
CT scan
Mean diameter	0.79	0.79	0.79
Perimeter-derived diameter	0.76	0.77	0.76
Area-derived diameter	0.75	0.73	0.76

CT computed tomography, PLAX parasternal long axis view, TTE transthoracic echocardiography

ISSN: 1749-8090