Table 2.
Con | HF | HF-TR | |
---|---|---|---|
Systolic function | |||
LVESV, ml | 54 ± 8 | 93 ± 9* | 72 ± 9 |
LVESP, mmHg | 101 ± 5 | 112 ± 13 | 106 ± 3 |
SW, J | 0.41 ± 0.10 | 0.69 ± 0.05* | 0.72 ± 0.06* |
CO, l/min | 3.6 ± 0.8 | 5.9 ± 0.5 | 5.9 ± 1.0 |
RPP, beats·min−1· mmHg | 8,912 ± 591 | 11,764 ± 1,669 | 9,019 ± 689 |
SV, ml | 40 ± 9 | 57 ± 3 | 68 ± 10 |
EF, % | 42 ± 3 | 38 ± 3 | 49 ± 6 |
Diastolic function | |||
LVEDV, ml | 94 ± 16 | 150 ± 8* | 140 ± 8* |
LVEDP, mmHg | 11 ± 1 | 14 ± 2 | 15 ± 2 |
τ Glantz, ms | 53 ± 3 | 82 ± 6* | 70 ± 6 |
Cardiac Efficiency | |||
SW/MV̇o2 | 0.38 ± 0.11 | 0.56 ± 0.12 | 0.97 ± 0.19* |
Values are means ± SE. Con, control; HF, heart failure sedentary; HF-TR, heart failure exercise trained; LVESV, left ventricular end-systolic volume; LVESP, left ventricular end-systolic pressure; SW, stroke work; CO, cardiac output; RPP, rate-pressure product; SV, stroke volume; EF, ejection fraction; LVEDV, left ventricular end-diastolic volume; LVEDP, left ventricular end-diastolic pressure; τ, time constant of left ventricular pressure decay; MV̇o2, myocardial O2 consumption; SW/MV̇o2, ratio of SW to MV̇o2.
Significance is indicated at P < 0.05 vs. Con.