Table 4.
Effects of beetroot juice treatment on TCD pulsatility and resistance.
| Variable | Control | Beetroot juice |
|---|---|---|
| Pulsatility index | ||
| Baseline rest | 0.75 ± .04 | 0.71 ± .03 |
| 40% VO2peak | 0.93 ± .05 | 0.87 ± .04 |
| 60% VO2peak | 0.93 ± .03 | 0.94 ± .03 |
| 80% VO2peak | 1.06 ± .07 | 1.08 ± .05 |
|
| ||
| Resistance index | ||
| Baseline rest | 0.49 ± .01 | 0.47 ± .01 |
| 40% VO2peak | 0.56 ± .02 | 0.54 ± .01 |
| 60% VO2peak | 0.57 ± .01 | 0.56 ± .01 |
| 80% VO2peak | 0.60 ± .02 | 0.60 ± .01 |
Values expressed in mean ± standard error of pulsatility and resistance indexes measured by transcranial doppler (TCD) ultrasonography at rest and at constant aerobic exercise workloads corresponding to 40%, 60%, and 80% of subject's predetermined peak oxygen consumption (VO2peak).