Table 3.

Intraoperative hemodynamics

Parameter	Control group n = 20	Intervention group n = 20	p
MAP (mmHg)
Beginning of study	76 ± 8	78.2 ± 11	0.50
End of study	78 ± 11	79.6 ± 7	0.63
HR (bpm)
Beginning of study	58 ± 10	63 ± 9	0.12
End of study	67 ± 10	69 ± 11	0.65
CVP (mmHg)
Beginning of study	9.3 ± 3	10.4 ± 5	0.48
End of study	10.3 ± 4	11.1 ± 3	0.58
CI (l/minute per m2)
Beginning of study	2.5 ± 0.4	2.5 ± 0.3	0.94
End of study	2.5 ± 0.7	3.4 ± 0.5	<0.0001
SVV
Beginning of study	10.0 ± 5	9.6 ± 2	0.79
End of study	12.1 ± 5	5.6 ± 2	<0.001
SVI (ml/m2)
Beginning of study	43 ± 8	40 ± 6	0.29
End of study	38 ± 9	50 ± 7	<0.001

CI cardiac index, CVP central venous pressure, HR heart rate, MAP mean arterial pressure, SVI stroke volume index, SVV stroke volume variation