. 2013 Jul-Sep;9(3):142–148. doi: 10.14797/mdcj-9-3-142

Table 3.

Aortic stenosis quantification: selected validation studies.18-21

First Author (Year)	CMR Method	n	Reference Standard: Method	r	Mean Difference ± SD (CMR-Echo)	CMR Reproducibility Mean Difference ± SD or r
Kilner (1993)	V max by VENC	26	TTE Doppler	n/a	-0.10±0.46 m/s	0.11±0.29 m/s
Caruthers (2003)	Peak Pressure	24	TTE Doppler	0.82	n/a	r=0.94
Caruthers (2003)	Mean Pressure	24	TTE Doppler	0.87	n/a	r=0.94
John (2003)	Planimetry	40	TTE Planimetry	0.96	0.02±0.08 cm²	0.07±0.06 cm²
Reant (2006)	Planimetry	32	TTE Planimetry	0.58	0.01±0.14 cm²	0.03±0.14 cm²

VENC: velocity encoding; TTE: transthoracic echocardiography; TEE: transesophageal echocardiography; n/a: not available.