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Table 1 Global parameters of the left ventricle in shame and MI hearts from male (M) and female (F) rats

From: Coronary vessels and cardiac myocytes of middle-aged rats demonstrate regional sex-specific adaptation in response to postmyocardial infarction remodeling

 

M-Sham

M-MI

F-Sham

F-MI

Number

7

7

6

6

Infarct size, % of LVFW

-

61.5 ± 1.2 (57.5–63.8)

-

61.3 ± 3.9 (50.0–71.3)

BW, g

560.0 ± 15.4

536.8 ± 27.2

362.5 ± 6.4§§§

335.7 ± 21.5†††

VW, mg

1476.4 ± 39.7

1461.8 ± 88.2

1214.5 ± 50.6§

1084.2 ± 16.6†††

LVW, mg

1150.4 ± 33.4

1100.4 ± 55.2

935.2 ± 46.0§§

829.5 ± 12.2†††

RVW, mg

326.0 ± 9.6

361.4 ± 40.5

279.3 ± 5.6

254.7 ± 18.3†

LVW/BW, mg/g

2.06 ± 0.08

2.05 ± 0.07

2.58 ± 0.09§

2.52 ± 0.15†

LVW/VW, mg/mg

0.78 ± 0.01

0.76 ± 0.02

0.77 ± 0.01

0.77 ± 0.01

LV diameter, mm

11.06 ± 0.09

11.03 ± 0.25

9.89 ± 0.24§

9.88 ± 0.19††

LV CSA, mm2

96.9 ± 1.6

96.5 ± 4.3

78.3 ± 4.0§

78.4 ± 3.1†

LV cavity diameter, mm

6.33 ± 0.30

7.58 ± 0.22*

5.82 ± 0.34

6.61 ± 0.44†

LV cavity CSA, mm2

32.9 ± 2.9

46.4 ± 2.7*

27.9 ± 3.1

36.4 ± 4.5†

LVFW thickness, mm

2.31 ± 0.13

2.29 ± 0.11

1.92 ± 0.10

2.12 ± 0.21

Septum thickness, mm

1.75 ± 0.09

1.77 ± 0.12

1.64 ± 0.08

1.68 ± 0.11

LV cavity diameter/septum

3.67 ± 0.30

4.39 ± 0.35

3.60 ± 0.30

4.02 ± 0.44

Remodeling index

-

1.39 ± 0.09

-

1.41 ± 0.11

  1. Values are the mean ± SEM; n, Number of rats; LVFW, left ventricular free wall; BW, body weight; VW, ventricular weight; LVW, left ventricular weight; RVW, right ventricular weight; CSA, cross-sectional area. Remodeling index = (LV cavity CSA of MI heart/Average LV cavity CSA of sham hearts) × (LVFW thickness of MI heart/Average LVFW thickness of sham hearts). *P < 0.05 vs. corresponding Sham group; §P < 0.05, §§P < 0.01, and §§§P < 0.001 vs. M-Sham; †P < 0.05, ††P < 0.01, and †††P < 0.001 vs. M-MI.