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. 2017 Dec 16;28(4):143–147. doi: 10.1294/jes.28.143

Table 1. Heart rate (HR); systolic (SAP), diastolic (DAP), and mean (MAP) arterial blood pressure; arterial carbon dioxide tension (PaCO2); arterial oxygen tension (PaO2); and dobutamine infusion rate during surgery in the horses of group FM and group M.

Variable Group Time after the start of surgery (min)
0 15 30 45 60
HR (beats/min) FM 33 ± 2 34 ± 2 34 ± 2 34 ± 2 33 ± 2
M 36 ± 2 37 ± 2 37 ± 2 37 ± 2 37 ± 2
SAP (mmHg) FM 98 ± 5 101 ± 6 104 ± 5 103 ± 6 103 ± 6
M 93 ± 4 100 ± 4 100 ± 4 101 ± 4 100 ± 4
DAP (mmHg) FM 57 ± 1 58 ± 1 59 ± 1 58 ± 1 59 ± 2
M 56 ± 3 59 ± 1 59 ± 2 59 ± 2 57 ± 2
MAP (mmHg) FM 71 ± 2 74 ± 1 75 ± 1 74 ± 2 75 ± 2
M 69 ± 3 73 ± 1 74 ± 1 74 ± 1 73 ± 1
PaCO2 (mmHg) FM 51 ± 2 52 ± 1 51 ± 1 50 ± 1 51 ± 1
M 52 ± 1 50 ± 1 52 ± 1 52 ± 0 51 ± 1
PaO2 (mmHg) FM 496 ± 13 470 ± 19 485 ± 15 478 ± 16 488 ± 22
M 470 ± 28 461 ± 52 478 ± 31 504 ± 15 468 ± 38
Dobutamine infusion rate FM 0.65 ± 0.3 0.60 ± 0.3 0.47 ± 0.3 0.39 ± 0.3 0.27 ± 0.2
(µg/kg/min) M 0.54 ± 0.3 0.40 ± 0.2 0.45 ± 0.2 0.36 ± 0.2 0.37 ± 0.2

Data are presented as the mean ± SD. Horses in group M were maintained with sevoflurane together with medetomidine CRI. Horses in group FM were maintained with sevoflurane in combination with fentanyl-medetomidine CRI.