Table 1.
Cardiovascular parameters during the maintenance of anesthesia in the horses of Group M and Group AM
| Variable | Group | Time after connection to breathing circuit (min) | ||||
|---|---|---|---|---|---|---|
| 0 | 15 | 30 | 45 | 60 | ||
| HR (beats/min) | M | 30 ± 3 | 27 ± 3 | 26 ± 3 | 27 ± 3 | 27 ± 3 |
| AM | 31 ± 4 | 28 ± 4 | 27 ± 3 | 27 ± 3 | 28 ± 3 | |
| SAP (mmHg) | M | n/a | 93 ± 8 | 97 ± 8 | 101 ± 9 | 104 ± 9 |
| AM | n/a | 94 ± 6 | 102 ± 10 | 104 ± 9 | 101 ± 4 | |
| DAP (mmHg) | M | n/a | 51 ± 8 | 54 ± 7 | 55 ± 7 | 56 ± 7 |
| AM | n/a | 51 ± 7 | 59 ± 6 | 60 ± 7 | 57 ± 6 | |
| MAP (mmHg) | M | n/a | 63 ± 8 | 68 ± 7 | 70 ± 7 | 71 ± 7 |
| AM | n/a | 64 ± 7 | 73 ± 5 | 74 ± 4 | 72 ± 5 | |
Data are presented as mean ± standard deviation (SD)
Horses in Group M (n = 25) were maintained with sevoflurane in combination with medetomidine CRI; horses in Group AM (n = 25) were maintained with sevoflurane in combination with alfaxalone–medetomidine CRI
HR heart rate, SAP systolic arterial blood pressure, DAP diastolic arterial blood pressure, MAP mean arterial blood pressure, n/a not applicable