Table 3 Changes in cerebral blood flow velocity at four time points (cm/s)
Total | Group C | Group E | P-value | |
|---|---|---|---|---|
Before induction (T0) | ||||
Vp | 73.75(61.56-86.35) | 69.07(59.24-83.36) | 80.27(65.32-88.70) | 0.057 |
Vm | 47.78(42.36-54.83) | 45.89(38.58-53.37) | 51.06(43.91-55.48) | 0.072 |
Vd | 35.66(31.37-40.33) | 34.35(28.91-39.33) | 36.36(33.08-40.52) | 0.132 |
The induction drug injected for 1 min (T1) | ||||
Vp | 60.08±13.02 | 57.62±12.53 | 62.53±13.19 | 0.092 |
Vm | 38.07(31.73-41.86) | 36.75(30.68-41.18) | 39.53(35.59-42.88) | 0.110 |
Vd | 27.48(21.94-31.11) | 26.29(21.43-31.11) | 28.01(24.27-31.20) | 0.389 |
Before endotracheal intubation (T2) | ||||
Vp | 57.46(46.58-64.53) | 50.67(42.21-61.26) | 59.26(51.30-66.00) | 0.016 |
Vm | 35.47(29.54-41.54) | 32.10(27.46-37.86) | 38.37(33.93-44.27) | 0.001 |
Vd | 24.95(20.58-39.60) | 21.16(18.79-27.23) | 28.41(22.92-32.78) | <0.001 |
After 1 min of endotracheal intubation (T3) | ||||
Vp | 70.45(59.08-81.56) | 69.00(58.83-84.66) | 71.51(60.07-79.96) | 0.784 |
Vm | 45.93(41.45-55.18) | 45.86(41.29-58.03) | 45.93(41.85-54.68) | 0.920 |
Vd | 34.48(30.18-43.33) | 34.48(30.59-43.69) | 34.52(28.94-42.58) | 0.751 |