Table 1 LV CMR parameters before and 1-month post MI.

From: Free-breathing gradient recalled echo-based CMR in a swine heart failure model

 

Baseline

1-month post MI

Avg percent change (%)

Paired t-test

Swine mass (kg)

48.7 ± 1.6

48.8 ± 1.4

0.6 ± 1.9

n/a

Heart rate (bpm)

98.7 ± 6.8

91.7 ± 8.5

− 6.6 ± 6.7

0.321

LVSP (mmHg)

85.2 ± 4.1

77.9 ± 3.7

− 8.0 ± 4.0

0.090

LVDP (mmHg)

11.6 ± 1.4

8.8 ± 2.1

− 5.5 ± 27.4

0.427

EDV (mL)

55.2 ± 1.7

74.2 ± 4.2

33.8 ± 5.1

0.001

ESV (mL)

22.6 ± 1.8

39.1 ± 4.2

78.4 ± 22.0

0.005

SV (mL)

32.7 ± 1.4

35.1 ± 2.7

8.0 ± 7.8

0.358

EF (%)

59.4 ± 2.4

48.1 ± 3.7

− 18.0 ± 6.7

0.029

CO (L/min)

3.2 ± 0.2

3.2 ± 0.3

2.5 ± 9.9

0.973

LV mass (g)

64.5 ± 1.8

76.1 ± 3.5

17.6 ± 17.6

0.091

LV percent scar (%)

0

23.2 ± 3.7

n/a

n/a

DWS ((dyne/cm2) × 1000)

7.6 ± 1.0

15.5 ± 3.6

148 ± 69.7

0.056

SWS ((dyne/cm2) × 1000)

31.6 ± 3.5

36.2 ± 4.0

17.1 ± 11.6

0.221

RAP (mmHg) n = 6

6.3 ± 0.8

5.7 ± 0.9

− 2.8 ± 23.3

0.603

PASP (mmHg) n = 6

23.7 ± 3.1

18.2 ± 1.4

− 5.4 ± 35.2

0.205

PADP (mmHg) n = 6

11.4 ± 2.4

7.4 ± 1.8

− 65 ± 113.2

0.373

PCWP (mmHg) n = 6

8.6 ± 2.2

4.5 ± 1.5

− 24.9 ± 74.4

0.205

  1. Results are shown as average ± SEM (n = 9, unless otherwise noted in table). Paired percent changes were calculated then averaged.
  2. EDV end diastolic volume, ESV end systolic volume, LVSP left ventricular systolic pressure, LVDP left ventricular systolic pressure, SV stroke volume, EF ejection fraction, CO cardiac output, LV left ventricle, DWS diastolic wall stress, SWS systolic wall stress, RAP right atrial pressure, PASP pulmonary artery systolic pressure, PADP pulmonary artery diastolic pressure, PCWP pulmonary capillary wedge pressure.
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