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J Neurosonol Neuroimag > Volume 16(1); 2024 > Article
Journal of Neurosonology and Neuroimaging 2024;16(1):16-20.
DOI: https://doi.org/10.31728/jnn.2024.00151    Published online June 30, 2024.
Acute Basilar Artery Tip Thrombosis Presenting as Basilar-Subclavian Steal Phenomenon on Transcranial Doppler
Dasom Yoon, MD1; Hyesun Choi, MD1; Jong-Ho Park, MD, PhD2
1Department of Neurology, Hanyang University Myongji Hospital, Changwon, Korea
2Goyang; Department of Neurology, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, Korea
Correspondence:  Jong-Ho Park, MD, PhD, Tel: +82-55-233-6080, 
Email: neurotector.jhp@gmail.com
Received: 14 March 2024   • Revised: 8 April 2024   • Accepted: 16 April 2024
Abstract
Acute basilar artery (BA) occlusion is a key etiology of devastating posterior circulation stroke, unless recanalization is performed early. Recanalization therapy is determined synthetically based on symptom onset time, stroke severity, and brain imaging. Herein, we report the case of a 72-year-old male patient presenting with minor neurological symptoms, but with thrombotic occlusion at the BA tip. Transcranial Doppler (TCD) showed systolic flow reversal along the vertebrobasilar arteries, and the patient benefited from endovascular thrombectomy. This case highlights the critical role of TCD in identifying hemodynamic insufficiency and determining the implementation of endovascular interventions to mitigate stroke progression.
Key Words: ischemic stroke; basilar artery; transcranial Doppler sonography; subclavian steal
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