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Vasospasm after traumatic subarachnoid haemorrhage: transcranial Doppler evaluation. Case report
Z Muttaqin1, K Arita, T Uozumi
1Department of Neurosurgery, Hiroshima University School of Medicine, Japan.
Abstract:
A case of vasospasm after traumatic subarachnoid haemorrhage (SAH) is reported here. Transcranial Doppler Sonography (TCD) was used to evaluate mean flow velocity (MFV) changes of the basal cerebral arteries related to vasospasm. Acceleration of MFV of the right middle cerebral artery (MCA) indicating vasospasm was first noted on TCD evaluation, and then proved by carotid angiography (CAG). Evaluation of all TCD results revealed that the process of relaxation or normalization of the spastic artery started from the proximal side of the basal intracranial artery and gradually moving to the distal side. This interesting phenomenon could be a common process found in vasospasm cases.