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Table 1

From: Mitral valve annular velocity measurements derived from cine MRI: validation against Doppler echocardiography

 

Medial

Lateral

 

Echocardiography

Acquisition Technique

e'

a'

e'

a'

E/e'

e'

a'

E/e'

 

mean ± std (cm/s)

mean ± std (cm/s)

mean ± std (cm/s)

mean ± std (cm/s)

mean ± std (cm/s)

Concordance Corr.

Concordance Corr.

Concordance Corr.

Retrospective CMR

11.29 ± 3.93

3.30 ± 1.34

15.98 ± 4.76

4.51 ± 1.82

5.0 ± 1.3

0.61

-0.09

0.58

Prospective CMR

11.04 ± 2.79

3.95 ± 1.60

15.31 ± 3.92

4.82 ± 1.75

5.1 ± 1.0

0.64

0.03

0.65

Echocardiography

11.62 ± 3.09

6.17 ± 0.86

14.80 ± 3.16

6.24 ± 1.59

5.0 ± 1.3

n/a

n/a

n/a

  1. Mean e’ and a’ velocities measured at medial and lateral myocardium wall as well as combined lateral and medial E/e’ ratios and concordance correlation measured from 9 healthy volunteers.