engleski

Transcranial Doppler (TCD) in clinical practice

TCD is an important noninvasive method for assessing cerebral hemodynamics and evaluation of intracranial cerebral vascular disease. TCD offers the advantages that relative changes in cerebral blood flow can be measured objectively, immediately, as often as desired, and for as long as necessary. TCD is an attractive tool for monitoring, particularly during neurosurgical, cardiac and cerebrovascularisation operations, both for knowledge of the immediate status of cerebral blood flow and for reducing the occurence of postoperative cerebral complications. There is a number of clinical applications of TCD: diagnosis of intracranial occlusive disease, evaluation of hemodynamic effects of extracranial occlusive disease on intracranial blood flow, detection and identification of feeders of arteriovenous malformations, preoperative compression tests for evaluation of collaterizing capacities of circle of Willis, intermitent monitoring and follow up of vasospasm in subarachnoidal haemorrhage and migraine, establishment of collateral pathways after occluding interventions, continous monitoring during neuroradiologic interventions, carotid endarterectomy and many others. Despite its limitations, TCD is an irreplaceable device for the assessment of cerebrovascular disorders.

transcranial Doppler; clinical practice; neurosonology

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