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Table 4 Echocardiography data

From: Diffuse myocardial fibrosis in hypertrophic cardiomyopathy can be identified by cardiovascular magnetic resonance, and is associated with left ventricular diastolic dysfunction

 

HCM (n=51)

Control (n=25)

p value

Left atrial volume indexed, ml/m2

51 ± 18

32 ± 10

<0.001

Resting LVOT gradient, mm Hg

26 ± 36

4 ± 1

<0.001

Mitral E velocity, cm/s

0.8 ± 0.2

0.7 ± 0.2

0.1

Mitral A velocity, cm/s

0.6 ± 0.3

0.6 ± 0.2

0.5

E/A ratio

1.4 ± 0.6

1.4 ± 0.5

0.7

Deceleration time, ms

217 ± 51

188 ± 36

<0.01

Septal e’, cm/s

6.0 ± 1.7

8.8 ± 3.0

<0.001

Lateral e’, cm/s

8.3 ± 2.6

12.0 ± 4.0

<0.001

Mean e’, cm/s

7.1 ± 1.9

10.4 ± 3.3

<0.001

Septal E/e’ ratio

14.4 ± 5.8

8.9 ± 3.2

<0.001

Lateral E/e’ ratio

10.6 ± 4.7

6.4 ± 1.9

<0.001

Mean E/e’ ratio

12.5 ± 4.9

7.7 ± 2.4

<0.001

  1. LVOT indicates left ventricular outflow tract.