Table 1.
Summary of invasive blood pressure (IBP) and noninvasive blood pressure (NIBP) and heart rate (HR) in standing and anesthetized horses
| SYS (mmHg) | DIA (mmHg) | MEAN (mmHg) | HR (bpm) | ||||
|---|---|---|---|---|---|---|---|
| IBP | NIBP | IBP | NIBP | IBP | NIBP | ||
| Standing group | |||||||
| Hypotensive Phase (n = 7) | 119.5 ± 9.3a | 103.6 ± 8.7a (83.3 ± 7.2a) | 73.9 ± 7.9a | 65.5 ± 10.0a (45.2 ± 7.8a) | 89.1 ± 6.8a | 78.6 ± 9.7a (58.2 ± 7.7a) | 45.5 ± 9.5a |
| Normotensive Phase (n = 8) | 169.0 ± 24.6 | 142.3 ± 20.5 (122.2 ± 20.4) | 110.4 ± 16.3 | 100.2 ± 17.9 (80.2 ± 17.4) | 131.5 ± 18 | 116.2 ± 19.4 (96.2 ± 19.1) | 34.0 ± 4.2 |
| Hypertensive Phase (n = 7) | 236.7 ± 17.9a | 179.6 ± 35.6a (159.5 ± 33.4a) | 148.2 ± 15.6a | 141.4 ± 28.5a (121.3 ± 26.6a) | 180.7 ± 11.9a | 155.7 ± 30.0a (135.6 ± 28.0a) | 35.5 ± 4.6 |
| Anesthetized group | |||||||
| Hypotensive Phase (n = 6) | 82.4 ± 7.8a | 79.3 ± 8.6a (97.7 ± 8.0a) | 43.0 ± 3.1a | 40.8 ± 10.0a (59.2 ± 9.1a) | 57.1 ± 4.7a | 54.9 ± 10.6a (73.2 ± 10.0) | 35.9 ± 3.1 |
| Normotensive Phase (n = 8) | 106.6 ± 8.5 | 103.3 ± 10.8 (121.9 ± 10.6) | 59.7 ± 5.3 | 59.6 ± 10.1 (78.2 ± 9.7) | 76.1 ± 5.0 | 75.7 ± 8.6 (94.3 ± 8.6) | 30.3 ± 4.1 |
| Hypertensive Phase(n = 6) | 125.5 ± 14.1a | 122.0 ± 20.8 (139.5 ± 18.8) | 75.8 ± 5.2a | 76.0 ± 17.0a (93.5 ± 15.1a) | 93.2 ± 3.1a | 94.5 ± 17.4a (111.9 ± 15.4a) | 32.6 ± 3.4 |
SYS, systolic; DIA, diastolic. NIBP values in brackets = noncorrected measurements.
a
Significant difference compared to normotensive phase.