Table 2.
Baseline values and responses to 30 s continuous static contraction before and after intravenous infusion of 10 mg of tempol via the left jugular vein are shown (n= 6)
| Before | After | |
|---|---|---|
| Baseline values | ||
| MAP (mmHg) | 87 ± 6 | 90 ± 7 |
| HR (beats min−1) | 371 ± 21 | 354 ± 19 |
| Signal-to-noise ratio for RSNA | 4.0 ± 0.5 | 3.7 ± 0.3 |
| Responses to contraction | ||
| Δtensionpeak (g) | 623 ± 67 | 616 ± 86 |
| TTI (g s) | 143 ± 16 (×102) | 130 ± 23 (×102) |
| ΔMAPpeak (mmHg) | 15 ± 3 | 8 ± 3* |
| ΔHRpeak (beats min−1) | 8 ± 2 | 6 ± 2* |
| ΔRSNApeak (%) | 88 ± 14 | 59 ± 18* |
| ∫ΔRSNA (a.u.) | 628 ± 93 | 367 ± 112* |
Values are means ±s.e.m.*P < 0.05 vs. before tempol detected by paired t test.