TABLE 3

Tissue weight and infarct size data Values are expressed as mean ± S.E.M., n = 8 to 11/group. Values in parentheses represent the number of animals with CHF in each group, expressed as a fraction.


Group

Body Weight

Heart Weight/BWa Ratio

Lung Weight/BW Ratio

% in CHF

Infarct Size
g mg/g %
13-Wk post-MI animals
   Sham 295.6 ± 5.4 3.2 ± 0.1 3.7 ± 0.1 b (0/9)
   MI + Veh 293.4 ± 4.8 3.6 ± 0.1* 6.0 ± 0.4* 72.7 (8/11) 49.9 ± 2.5
   MI + LT-RWJ 291.6 ± 5.5 3.4 ± 0.1 4.5 ± 0.3*# 20.0 (2/10) 48.9 ± 1.5
   MI + 1-wk RWJ 294.7 ± 5.4 3.6 ± 0.1* 5.7 ± 0.4* 66.7 (6/9) 48.4 ± 2.6
   MI + Ram 297.6 ± 11.6 3.4 ± 0.2 5.0 ± 0.3* 30.0 (3/10) 49.8 ± 2.9
7-Day post-MI animals
   Sham 208.8 ± 7.0 3.2 ± 0.2 4.5 ± 0.1 —(0/8)
   MI + Veh 209.1 ± 5.1 4.0 ± 0.1* 5.3 ± 0.2* —(0/9) 41.5 ± 1.9
   MI + RWJ
192.1 ± 7.3
3.6 ± 0.1*
5.2 ± 0.2*
—(0/9)
37.9 ± 2.1
  • BW, body weight; CHF, congestive heart failure

  • * P < 0.05 compared with sham animals

  • # P < 0.05 compared with MI + Veh animals

  • a Percentage of animals with a lung weight 50% greater than that of the mean lung wt/BW of sham-operated animals

  • b —, no data