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Two hours after the operation, bedside transcranial Doppler ultrasound showed that the blood flow velocity of the M1 segment of the right middle cerebral artery fluctuated between 304 and 330 cm/s (3D, E and F), the blood flow velocity of the M1 segment of the left middle cerebral artery fluctuated between 114 and 117 cm/s (3A, B and C), and the blood flow velocities of the bilateral vertebral artery and basilar artery were in the normal range (3G, H and I). The PI and RI values of all vessels were in the normal range (3A-I).
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Introduction:
There are currently no published reports of hyperperfusion syndrome in the non responsible vascular area after mechanical thrombectomy for acute cerebral infarction with large vessel occlusion. Here, we report a case of hyperperfusion syndrome in the blood supply area of the right middle cerebral artery after mechanical thrombectomy...
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Context 1
... middle cerebral artery fluctuated between 304 and 330 cm/s, that of the M1 segment of the left middle cerebral artery fluctuated between 114 and 117 cm/s, and that of the bilateral vertebral arteries and basilar artery were in the normal range. The pulse index (PI) and resistance index (RI) values of all cerebral vessels were in the normal range (Fig. 3), which did not support the acceleration of the blood flow velocity of the right middle cerebral artery caused by cerebrovascular stenosis or cerebral vasospasm. Combined with the fact that the blood flow velocity of the right middle cerebral artery was more than twice that of the left middle cerebral artery, the blood pressure of the ...
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