Balloon Test Occlusion with the Doppler Velocity Guidewire

Transcranial Doppler ultrasonography is the most commonly used method of cerebrovascular blood flow velocity measurement, but it is subject to certain technical and anatomic limitations. The Doppler velocity guidewire measures blood flow velocity within any vessel during cerebral angiography, overco...

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Bibliographic Details
Published in:Journal of stroke and cerebrovascular diseases 2012-11, Vol.21 (8), p.909.e1-909.e4
Main Authors: Levitt, Michael R., MD, Vaidya, Sandeep S., MD, Mai, Jeffrey C., MD, PhD, Hallam, Danial K., MD, MSc, Kim, Louis J., MD, Ghodke, Basavaraj V., MD
Format: Article
Language:English
Subjects:
Balloon Occlusion - instrumentation
Blood Flow Velocity
Cardiovascular
Carotid Artery, Internal - diagnostic imaging
Carotid Artery, Internal - physiopathology
Carotid Artery, Internal - surgery
Cerebrovascular Circulation
Chondrosarcoma - blood supply
Chondrosarcoma - diagnosis
Chondrosarcoma - therapy
Collateral Circulation
Doppler guidewire
Embolization, Therapeutic
endovascular techniques
Equipment Design
Humans
Laser-Doppler Flowmetry - instrumentation
Male
Middle Aged
Neurology
Predictive Value of Tests
Skull Neoplasms - blood supply
Skull Neoplasms - diagnosis
Skull Neoplasms - therapy
transcranial Doppler ultrasonography
Ultrasonography, Doppler, Transcranial - instrumentation
Vascular Access Devices
Vascular Surgical Procedures
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Description
Summary:Transcranial Doppler ultrasonography is the most commonly used method of cerebrovascular blood flow velocity measurement, but it is subject to certain technical and anatomic limitations. The Doppler velocity guidewire measures blood flow velocity within any vessel during cerebral angiography, overcoming these limitations. We report the first use of this guidewire in the measurement of blood flow velocity during balloon test occlusion, with results similar to simultaneously measured transcranial Doppler ultrasonography. Velocity measurement by Doppler guidewire could be useful in balloon test occlusion for vertebrobasilar circulation, where transcranial Doppler ultrasonography is limited, and provide anatomically specific blood flow velocity measurements in the diagnosis and treatment of stroke and other cerebrovascular diseases.
ISSN:1052-3057
1532-8511
DOI:10.1016/j.jstrokecerebrovasdis.2011.10.002