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Table 1 Cardiorespiratory parameters (heart rate, respiratory rate, arterial oxyhaemoglobin saturation and end-tidal CO2), blood gas values and rectal temperatures of rabbits anaesthetised with sevoflurane (SEVO) and isoflurane (ISO).

From: Comparison of the arterial blood gas, arterial oxyhaemoglobin saturation and end-tidal carbon dioxide tension during sevoflurane or isoflurane anaesthesia in rabbits

  

B

I

15

30

45

60

75

90

HR (beats/min)

ISO

218 ± 70

188 ± 43ab

200 ± 31ab

209 ± 25b

201 ± 14ab

196 ± 23ab

209 ± 31b

198 ± 39ab

 

SEVO

234 ± 58

54 ± 27a

233 ± 35

244 ± 39

240 ± 42

255 ± 41a

260 ± 42a

266 ± 29a

RR (beats/min)

SEVO

100 ± 30

38 ± 7ab

37 ± 8a

36 ± 5a

34 ± 5a

36 ± 11a

35 ± 9a

34 ± 9a

 

ISO

78 ± 24

43 ± 13a

36 ± 12a

34 ± 10a

37 ± 10a

34 ± 10a

32 ± 7a

35 ± 5a

SpO2 (%)

SEVO

91 ± 5

91 ± 4

91 ± 4

90 ± 4

94 ± 2

94 ± 2

92 ± 4

89 ± 6

 

ISO

94 ± 3

94 ± 4

90 ± 4

91 ± 5

93 ± 4

93 ± 3

94 ± 4

94 ± 3

ETCO2 (mmHg)

SEVO

ND

32 ± 9

36 ± 6

37 ± 6

35 ± 7

36 ± 4

36 ± 6

37 ± 5

 

ISO

ND

28 ± 10

29 ± 8

30 ± 6

30 ± 5

33 ± 7

34 ± 7

32 ± 8

pH

SEVO

7.40 ± 0.04

7.25 ± 0.11a

7.32 ± 0.06

7.39 ± 0.08

7.41 ± 0.04

7.38 ± 0.05

7.41 ± 0.05

7.39 ± 0.05

 

ISO

7.38 ± 0.05

7.16 ± 0.09a

7.34 ± 0.08

7.40 ± 0.06

7.41 ± 0.04

7.41 ± 0.05

7.41 ± 0.05

7.42 ± 0.05

PaCO2 (mmHg)

SEVO

30.5 ± 7.0

48.1 ± 11.5a

46.1 ± 6.9a

45.5 ± 9.7a

43.3 ± 9.0a

48.3 ± 8.6aq

48.7 ± 8.8a

50.6 ± 10.2a

 

ISO

33.6 ± 5.4

56.0 ± 9.6a

52.1 ± 9.7a

47.1 ± 8.6a

8.9 ± 9.2a

51.3 ± 10.0a

52.3 ± 7.2a

51.5 ± 11.7a

PaO2 (mmHg)

SEVO

67.70 ± 21.37

248.16 ± 177.47a

227.53 ± 181.16a

397.88 ± 166.10a

306.52 ± 172.38a

308.60 ± 107.28a

361.28 ± 137.38a

344.25 ± 126.63a

 

ISO

72.89 ± 13.37

240,58 ± 191.60a

302.71 ± 173.45a

300.78 ± 137.90a

295.11 ± 139.80a

317.45 ± 131.76a

370.55 ± 164.92a

373.39 ± 114.11a

RT (°C)

SEVO

39.02 ± 0.35

38.70 ± 0.46

38.42 ± 0.76

38.17 ± 0.94

37.80 ± 1.11

37.50 ± 1.23

37.28 ± 1.35

37.05 ± 1.45

 

ISO

38.52 ± 0.68

39.20 ± 0.57

39.09 ± 0.59

38.74 ± 0.70

38.27 ± 0.88

38.00 ± 0.92

37.67 ± 0.95

37.45 ± 1.13

  1. Data are expressed as mean ± 1SD.
  2. B: basal values; I: induction values; 15, 30, 45, 60, 75, 90: stage of anaesthesia (expressed in minutes); HR: heart rate; RR: respiration rate; SpO 2 (%): arterial oxyhaemoglobin saturation;
  3. ETCO 2 (mmHg): end-tidal CO2; RT (°C): rectal temperature; ND: not done.
  4. Arterial blood gas values: PaCO2 (mmHg), PaO2(mmHg) and pH.
  5. aSignificantly different from baseline value (P < 0.05); bSignificantly different from ISO group (P < 0.05).