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Table 1 Subject characteristics

From: Quantification of left atrial strain and strain rate using Cardiovascular Magnetic Resonance myocardial feature tracking: a feasibility study

 

HFpEF (n = 10)

HCM (n = 10)

Controls (n = 10)

Gender (m/f)

7/3

9/1

5/5

Age (y)

69.7 (58-82)

59.1 (44-73)

40.6 (23-51)

LV-EDV (ml/m 2 )

70.6 ± 12.2

71.6 ± 10.7

76.9 ± 12.5

LV-ESV (ml/m 2 )

25.8 ± 5.4

23.5 ± 6.4

33.4 ± 7.5

LVEF (%)

63.6 ± 3.0

67.4 ± 6.4

56.9 ± 4.4

RV-EDV (ml/m 2 )

84.3 ± 11.8

71.4 ± 11.2

76.6 ± 14.3

RV-ESV (ml/m 2 )

39.0 ± 13.7

24.4 ± 6.1

32.1 ± 8.6

RVEF (%)

54.7 ± 8.9

65.7 ± 5.7

58.5 ± 4.1

Presence of MR*

2 (20%)

4 (40%)

0 (0%)

LAV max (ml/m 2 )

53.1 ± 11.2

50.1 ± 13.6

34.8 ± 9.1

LAV min (ml/m 2 )

24.8 ± 6.3

20.6 ± 7.2

13.4 ± 4.2

LAV p-ac (ml/m 2 )

40.1 ± 7.9

37.7 ± 12.3

23.0 ± 7.7

  1. Continuous variables are expressed as mean ± standard deviation; age is expressed as median with range; HFpEF, heart failure with preserved ejection fraction; HCM, hypertrophic cardiomyopathy; LV, left ventricle; EDV: end-diastolic volume; ESV, end-systolic volume; EF, ejection fraction; m, male; f, female; y, years; LAV max, maximum left atrial volume; LAV min, minimum left atrial volume; LAV p-ac, left atrial volume prior to atrial contraction.
  2. *Mitral regurgitation (MR) as defined by visual appearance of a regurgitation jet on cine SSFP.