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Proximal and distal cerebral vascular resistance(PCVR)=[Mean Systemic Arterial Blood Pressure-Mean CAP]/rCBF and DCVR=[Mean CAP/rCBF])were 1.78 and 0.68,respectively.This study revealed a high PCVR and a very low DCVR in both the ischemia and hemorrhage groups of patients.STA-MCA anastomosis partially normalized cerebral circulation and decreased moyamoya vessels but did not completely prevent rebleeding. |
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