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Table 3 Comparison of methods of planimetry and calculation of aortic valve area

From: Cardiovascular magnetic resonance assessment of the aortic valve stenosis: an in vivo and ex vivo study

 

Aortic valve area (cm2)

Method

Mean

Range

CMR ex vivo

0.65 ± 0.09

0.50 – 0.76

CMR in vivo

0.75 ± 0.09

0.62 – 0.86

TEE

0.80 ± 0.16

0.65 – 1.10

TTE

0.69 ± 0.07

0.50 – 0.70

CATH

0.59 ± 0.27

0.29 – 1.08

  1. CMR, cardiovascular magnetic resonance; CATH, cardiac catheterization; TEE, transesophageal echocardiography; TTE, transthoracic echocardiography