The effect of premedication with ketamine, alone or with diazepam, on anaesthesia with sevoflurane in parrots (Amazona aestiva)

Table 4 Arterial blood gases and electrolytes (mean±SD)

	Group
	Moment	S	KS	KDS
pH	T0	7.436 ± 0.042	7.458 ± 0.052	7.463 ± 0.056
pH	T2	7.410 ± 0.053^Δ	7.433 ± 0.057^Δ	7.386 ± 0.055^Δ
PaCO₂ (mmHg)	T0	22.1 ± 3.45	22.0 ± 4.56	22.1 ± 3.63
PaCO₂ (mmHg)	T2	39.7 ± 5.33^Δ	34.1 ± 6.4^Δ	40.1 ± 7.77^Δ
PaO₂ (mmHg)	T0	100.2 ± 6.94	98.3 ± 8.14	96.0 ± 7.15
PaO₂ (mmHg)	T2	391.8 ± 63.74^Δ	324.4 ± 112.3^Δ	372.0 ± 85.48^Δ
SaO₂ (%)	T0	96.2 ± 1.03	96.3 ± 1.07	96.2 ± 1.19
SaO₂ (%)	T2	100.0 ± 0.0^Δ	99.9 ± 0.29^Δ	100.0 ± 0.0^Δ
BE (mmol.L^-1)	T0	- 8.7 ± 2.31	−7.6 ± 3.42	−7.4 ± 3.68
BE (mmol.L^-1)	T2	0.3 ± 4.41^Δ	−1.3 ± 3.52^Δ	−0.8 ± 2.69^Δ
$\begin{align} {HCO}_{3}^{-} \\ (mmol . L^{- 1}) \end{align}$	T0	14.3 ± 1.95	15.1 ± 3.2	15.1 ± 3.03
	T2	24.7 ± 3.78^Δ	22.2 ± 3.30^Δ	23.3 ± 2.80^Δ
Ht (%)	T0	37.6 ± 6.33	38.8 ± 8.49	36.8 ± 5.34
Ht (%)	T2	37.4 ± 4.12	37.6 ± 7.42	37.8 ± 3.66
Hb (g.dL^-1)	T0	12.9 ± 2.17	13.2 ± 2.88	12.5 ± 1.78
Hb (g.dL^-1)	T2	12.8 ± 1.50	12.8 ± 2.51	12.9 ± 1.29
Na⁺ (mmol.L^-1)	T0	147.0 ± 1.35	147.2 ± 2.86	147.6 ± 2.15
Na⁺ (mmol.L^-1)	T2	145.6 ± 1.88	146.3 ± 3.55	147.7 ± 2.10
K⁺ (mmol.L^-1)	T0	3.5 ± 0.36	3.9 ± 1.15	3.6 ± 0.56
K⁺ (mmol.L^-1)	T2	3.8 ± 0.53	4.5 ± 1.57	3.9 ± 0.37
iCa (mmol.L^-1)	T0	0.7 ± 0.29	0.8 ± 0.31	0.7 ± 0.23
iCa (mmol.L^-1)	T2	0.8 ± 0.19	0.8 ± 0.29	0.8 ± 0.24

PaCO₂ arterial carbon dioxide partial pressure, PaO₂ arterial oxygen partial pressure, SaO₂ arterial oxygen saturation, BE base excess, HCO₃ bicarbonate ion concentration, Ht haematocrit, Hb haemoglobin concentration, Na⁺ serum sodium concentration, K⁺ serum potassium concentration, iCa serum ionised calcium concentration, T0 before premedication, T2 after MAD; Δ P < 0.05 compared with T0.

ISSN: 1746-6148