Table 2.
Effect of microinjections of bicuculline lateral or rostral to PVN on mean arterial pressure, heart rate and baroreflex parameters
| MAP, mmHg | HR, bpm | Gain, bpm/mmHg | Max, bpm | Min, bpm | Width, mmHg | BP50, mmHg | |
|---|---|---|---|---|---|---|---|
| Lateral Bicuculline (n = 5) | |||||||
| Control | 101 ± 3 | 364 ± 24 | 1.6 ± 0.2 | 366 ± 21 | 308 ± 31 | 8.2 ± 1.1 | 120 ± 3 |
| Bicuculline | 102 ± 4 | 371 ± 23 | 1.6 ± 0.3 | 389 ± 20 | 303 ± 33 | 13.3 ± 1.0 | 130 ± 3 |
| Rostral Bicuculline (n = 5) | |||||||
| Control | 107 ± 4 | 359 ± 8 | 1.8 ± 0.4 | 379 ± 19 | 309 ± 12 | 11.0 ± 1.3 | 123 ± 4 |
| Bicuculline | 106 ± 4 | 373 ± 12 | 1.7 ± 0.6 | 389 ± 24 | 323 ± 13 | 10.8 ± 1.8 | 122 ± 3 |
Max, Baroreflex maximum HR; Min, Baroreflex minimum HR.