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Table 1 SEP, hemodynamic and respiratory variable recordings and the neuroprotection strategy during the operative steps.

From: Brain function monitoring during off-pump cardiac surgery: a case report

 

Post anaesthesia

induction

Heart enucleation

"Anestesiologist

reaction"

End surgery

 

Right

Left

Right

Left

Right

Left

Right

Left

N20/P25 latency (msec)

22.67

23.83

-

25.54 ± 0.08

23.86 ± 0.13

25.52 ± 0.08

25.15

23.35

N20/P25 amplitude (uV)

1.922 ± 0.09

2.51 ± 0.13

0.02

1.83 ± 0.007

1.03 ± 0.3

2 ± 0.04

1.67 ± 0.03

1.68 ± 0.01

CF (pulse/min)

80

 

60

 

65

 

65

 

SAP (mmHg)

135

 

130

 

173

 

146

 

MAP (mmHg)

84

 

91

 

114

 

95

 

DAP (mmHg)

58

 

70

 

76

 

67

 

CVP (mmHg)

18

 

24

 

27

 

18

 

CI (l/min/m2)

2.9

 

1.8

 

1.8

 

2.6

 

SVRI (dyn.sec.m2/cm5)

1820

 

2977

 

3866

 

2369

 

PaCO2 (mmHg)

38

 

39

 

40

 

40.5

 

SaO2 (mmHg)

100

 

100

 

100

 

100

 

T (°C)

36.2

 

35

 

34.8

 

35

 

neuro-protection

        

Norephi (mcg/Kg/h)

-

 

-

 

0.08

 

-

 

MAC (Et isoflurane)

0.5

 

0.5

 

1

 

1

 

FiO2 (%)

50

 

50

 

100

 

50

 

Hb (g/dl)

10

 

10

 

12

 

12

 

Volume load (liter)

    

0.5 HES.+ 0.5 blood

   
  1. N20/P25 = cortical SEP, CF = cardiac frequency, SAP = systolic arterial pressure, MAP = mean arterial pressure, DAP = diastolic arterial pressure, CVP = central venous pressure, CI = cardiac index, SVRI = systemic vascular resistence index, PaCO2 = arterial pressure of CO2, SaO2 = oxygen saturation, Norephi = norephinefrine, MAC = minimum alveolar concentration, FiO2 = inspiratory fraction of oxygen, Hb = haemoglobin, T = temperature, HES = Hydroxyethylstarch