Table 1.
ICP, MAP and CPP, mmHg | Cortical Doppler flux, % of baseline | iPRx | iCVRx | MVS/CAP ratio | NADH, ΔF/Fo | BBB damage, ΔF/Fo |
---|---|---|---|---|---|---|
ICP 10 / MAP 80 / CPP 70 | 100.1 ± 9.3 | −0.03 ± 0.07 | −0.02 ± 0.09 | 0.41 ± 0.14 | 0.02 ± 0.09 | 0.01 ± 0.34 |
ICP 30 / MAP 80 / CPP 50 | 98.3 ± 9.4 | 0.24 ± 0.09* | 0.31 ± 0.13* | 0.72 ± 0.15* | 0.28 ± 0.11* | 2.24 ± 075** |
ICP 50 / MAP 80 / CPP 30 | 71.2 ± 10.5* | 0.33 ± 0.11** | 0.46 ± 0.14** | 1.1 ± 0.18** | 0.59 ± 0.14** | 3.89 ± 0.98*** |
ICP, intracranial pressure; MAP, mean arterial pressure; CPP, cerebral perfusion pressure; iPRx, induced intracranial pressure reactivity; iCVRx, induced cerebrovascular reactivity; MVS/CAP, microvascular shunt flow/capillary flow ratio; BBB, blood brain barrier. N= 10 rats, Mean ± SEM
=p<0.05
=p<0.01
=p<0.001. Data are compared with baseline CPP of 70 mmHg.