From: Skeletal muscle ATP kinetics during exercise in patients with systolic heart failure
Healthy (n=11) | SHF (n=14) | |
---|---|---|
PCr/ATP (rest) | 4.42 ± 1.67 | 5.70± 2.0 |
PCr/ATP (ex) | 3.76 ± 1.73¶ | 4.46± 2.2 ¶ |
k (s-1)(rest) | 0.27 ± 0.04 | 0.29 ± 0.05 |
k (s-1)(ex) | 0.35 ± 0.11 * | 0.35 ± 0.06 * |
PCr (µmol/g) (rest) | 22.9 ± 8.7 | 29.4 ± 10.9 |
PCr (µmol/g)(ex) | 18.8 ± 9.7 § | 22.2 ± 9.8 § |
CK flux (µmol.g-1.s-1)(rest) | 6.37 ± 3.15 | 8.53 ± 2.96 |
CK flux (µmol.g-1.s-1) (ex) | 6.68 ± 4.44 | 7.57 ± 2.62* |