Retrospective evaluation of the effect of carotid artery stenosis on cerebral oxygen saturation during off-pump coronary artery bypasses grafting in adult patients

Table 6 Multiple logistic regression analysis for a decrease in regional cerebral tissue oxygen saturation (rSO₂) ≥ 10 % from baseline value (cerebral desaturation)

	OR	95 % CI	Coefficient	SE	P-value
MAP < 60 mmHg	1.011	0.623 – 1.640	0.011	0.247	0.965
Cardiac index < 2.0 l/min/m²	3.287	2.128 – 5.076	1.190	0.222	<0.001
CVP > 10 mmHg	1.483	0.965 – 2.279	0.394	0.219	0.072
CAS	0.160	0.036 – 0.707	−1.830	0.757	0.016
CAS side of the forehead	0.476	0.040 – 5.670	−0.741	1.264	0.557
Bilateral CAS	2.565	0.310 – 21.20	0.942	1.078	0.382
Dopamine	1.474	1.228 – 1.770	0.388	0.093	<0.001
Noradrenaline	1.020	0.981 – 1.060	0.020	0.020	0.315

Odds ratios (ORs) with 95 % confidence interval (CI) for cerebral desaturation during off-pump coronary artery bypass grafting for mean arterial pressure (MAP) < 60 mmHg, cardiac index < 2.0 l/min/min², central venous pressure (CVP) > 10 mmHg, carotid artery stenosis (CAS), CAS side of the forehead, bilateral CAS, every 1 μg/kg/min increase in a dose of dopamine, and every 0.01 μg/kg/min increase in a dose of noradrenaline

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