Table 1.

Basal characteristics of sham and HF rats

	Sham-Sed Group	HF-Sed Group	Sham-ExT Group	HF-ExT Group
Body weight, g	397 ± 15	403 ± 23	365 ± 11†	379 ± 10
Heart weight, g	1.3 ± 0.1	2.0 ± 0.2*	1.2 ± 0.1	1.9 ± 0.2*
Infarct size, % epicardial LV	0	36 ± 5*	0	37 ± 4*
LV end-diastolic pressure, mmHg	1.3 ± 0.5	27.7 ± 4.5*	1.0 ± 0.4	21.2 ± 4.1*
Ejection fraction, %	82 ± 2	49 ± 3*	83 ± 2	50 ± 4*
Basal mean blood pressure, mmHg	94 ± 4	92 ± 3	90 ± 3	89 ± 4
Basal heart rate, beats/min	346 ± 15	362 ± 21	331 ± 25	351 ± 24

Values are means ± SE; n = 10 rats/group. Sham, sham operation; Sed, sedentary; HF, heart failure; ExT, exercise training; LV, left ventricular.

^*P < 0.05 vs. the respective sham rats;

^†P < 0.05 vs. the respective Sed rats.