Please use this identifier to cite or link to this item: https://doi.org/10.4103/0972-2327.107723
Title: Cerebrovascular ultrasonography: Technique and common pitfalls
Authors: Bathala, L.
Mehndiratta, M.M.
Sharma, V.K. 
Keywords: Cervical duplex
Ischemic stroke
Transcranial Doppler
Ultrasonography
Issue Date: Jan-2013
Citation: Bathala, L., Mehndiratta, M.M., Sharma, V.K. (2013-01). Cerebrovascular ultrasonography: Technique and common pitfalls. Annals of Indian Academy of Neurology 16 (1) : 121-127. ScholarBank@NUS Repository. https://doi.org/10.4103/0972-2327.107723
Abstract: Although the clinical features in some patients with cerebrovascular ischemia may be ill defined, majority of the patients present with focal neurological deficits caused by an arterial occlusion, and the clinical presentations are usually referable to the involved arterial territory. Therefore, vascular imaging constitutes an important component of the diagnostic workup. Cervical duplex ultrasonography of carotid and vertebral arteries is employed to evaluate the extracranial vasculature while transcranial Doppler provides important information about intracranial hemodynamic changes in cerebrovascular ischemia. These two components of cerebrovascular ultrasonography are fast and reproducible, and can be performed at the bedside. They provide real-time information about the status of cervico-cranial arterial patency and various hemodynamic alterations, including collateral flow. The information obtained from cerebrovascular ultrasonography is useful for diagnostic as well as prognostic purposes. Furthermore, it can be used to monitor cerebral blood flow for extended periods and aid in decision making for various interventions. The hemodynamic information obtained from cerebrovascular ultrasonography helps in determining the underlying mechanisms of brain ischemia, and is complementary to the clinical examination and other imaging modalities. We describe the technique of performing cervical duplex sonography, diagnostic criteria for arterial stenosis, characterizing plaque morphology, measuring intima-media thickness and various pitfalls while performing the test. © 2013 Annals of Indian Academy of Neurology.
Source Title: Annals of Indian Academy of Neurology
URI: http://scholarbank.nus.edu.sg/handle/10635/125368
ISSN: 09722327
DOI: 10.4103/0972-2327.107723
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