Table 1 Parameters relating to baroreflex open-loop static characteristics during baseline and T3 periods obtained in the vehicle group
Baseline | Vehicle | P value | |
|---|---|---|---|
Total reflex arc | |||
P1, mmHg | 54.6 ± 6.2 | 45.6 ± 9.1 | 0.061 |
P2, mmHg−1 | 0.120 ± 0.018 | 0.106 ± 0.013 | 0.471 |
P3, mmHg | 145.5 ± 5.2 | 143.5 ± 1.8 | 0.745 |
P4, mmHg | 88.4 ± 6.2 | 87.1 ± 9.5 | 0.776 |
Gmax, mmHg/mmHg | 1.62 ± 0.28 | 1.05 ± 0.13 | 0.065 |
HR control | |||
P1, beats/min | 53.5 ± 6.4 | 50.2 ± 9.7 | 0.473 |
P2, mmHg−1 | 0.115 ± 0.013 | 0.131 ± 0.022 | 0.418 |
P3, mmHg | 151.0 ± 3.9 | 148.3 ± 2.1 | 0.549 |
P4, beats/min | 389.1 ± 10.8 | 394.1 ± 13.0 | 0.672 |
Gmax, beats·min−1·mmHg−1 | 1.49 ± 0.17 | 1.34 ± 0.14 | 0.342 |
Neural arc | |||
P1, % | 41.3 ± 4.6 | 40.4 ± 7.3 | 0.899 |
P2, mmHg−1 | 0.137 ± 0.028 | 0.121 ± 0.022 | 0.665 |
P3, mmHg | 143.6 ± 6.1 | 143.1 ± 3.4 | 0.947 |
P4, % | 59.7 ± 3.9 | 57.1 ± 5.2 | 0.553 |
Gmax, %/mmHg | 1.34 ± 0.23 | 1.03 ± 0.08 | 0.113 |
Peripheral arc | |||
b0, mmHg | 16.6 ± 9.6 | 28.0 ± 11.1 | 0.303 |
b1, mmHg/% | 1.245 ± 0.101 | 1.109 ± 0.084 | 0.234 |
Operating point | |||
SNA, % | 92.1 ± 2.1 | 88.3 ± 3.2 | 0.448 |
AP, mmHg | 130.2 ± 4.0 | 126.8 ± 2.5 | 0.385 |