Table 1.
Relevant physiological parameters (average ± standard deviation) for the rest and PEI periods during acquisition of the AC and CBF measurements.
| Arterial compliance (N = 8) |
Cerebral blood flow (N = 7) |
Microneurography (N = 7) |
||||
|---|---|---|---|---|---|---|
| Rest | PEI | Rest | PEI | Rest | PEI | |
| BPSys (mmHg) | 126.4 ± 9.5 | 134.9 ± 11.0a | 132.1 ± 10.1 | 135.1 ± 16.1 | 130.8 ± 22.6 | 147.8 ± 19.8 |
| BPDia (mmHg) | 68.3 ± 9.3 | 77.9 ± 12.1a | 71.7 ± 8.1 | 76.9 ± 15.0 | 79.6 ± 13.9 | 86.2 ± 15.5 |
| PP (mmHg) | 58.1 ± 6.7 | 57.0 ± 6.8 | 60.4 ± 7.1 | 58.2 ± 9.0 | 51.4 ± 11.7 | 61.3 ± 10.4 |
| MAP (mmHg) | 87.7 ± 8.9 | 96.9 ± 11.3a | 91.8 ± 8.3 | 96.3 ± 14.8 | 96.8 ± 16.6 | 106.8 ± 16.2 |
| Heart rate (beats/min) | 58.7 ± 11.5 | 62.6 ± 12.6 | 56.3 ± 9.2 | 62.6 ± 11.3a | 53.3 ± 8.7 | 61.5 ± 11.2a |
| Breathing rate (breaths/min) | 16.4 ± 4.3 | 16.1 ± 5.6 | 16.6 ± 3.0 | 15.0 ± 5.6 | – | – |
| PET,CO2 (mmHg) | 38.1 ± 5.3 | 35.6 ± 5.6 | 35.5 ± 5.1 | 31.9 ± 4.8a | – | – |
Note that all average values stated here are calculated for a time period of approximately 10 min (for the duration of each scan). BPSys: systolic blood pressure; BPDia: diastolic blood pressure; PP: pulse pressure; MAP: mean arterial pressure; PET,CO2: end-tidal CO2 partial pressure; PEI: post exercise ischemia.
a
Significantly different (paired t-test, p < 0.05).