Continuous-Wave Doppler of Vertebral Arteries in Noninvasive Diagnosis and Management of Vertebro-Basilar TIAs

Author:

Amadori Andrea1,Arnetoli Graziano1,Nuzzaci Giuseppe2,Stefani Paolo3

Affiliation:

1. Associate Professor of Neurology, 2nd Neurological Institute; University of Florence, Florence, Italy

2. Associate Professor of Angiology, Chair of Angiology; University of Florence, Florence, Italy

3. Associate Professor of Radiological Anatomy, Institute of Radiology, University of Florence, Florence, Italy

Abstract

Continuous-wave Doppler and angiography of the vertebro-basilar system were used in 38 patients with vertebro-basilar transient ischemic attacks. 63 vertebral arteries were studied. Among 47 normal Doppler parameters, 46 were confirmed by angiography. The sonographic diagnostic procedure showed a very high negative predictive value (97.87%), while the positive predictive value was relatively low (56.25%). Data from literature were reviewed. The authors suggest that when Doppler of vertebral arteries is negative, there is a very low probability that a follow-up angiography will reveal pathologic conditions calling for a surgical approach.

Publisher

SAGE Publications

Subject

Cardiology and Cardiovascular Medicine

Reference18 articles.

1. Pourcelot L.: Applications cliniques de l'examine Doppler transcutane. In: Ultrasonics Doppler Velocimetry. Paris, Inserm, 1974, pp 213-230.

2. Barnes RW, Wilson MR: Doppler Ultrasonic Evaluation of Cerebrovascular Disease: A Programmed Audiovisual Instruction. Iowa City, University of Iowa, 1975, pp 1-196.

3. Strandness DE Jr and Summer DS: Hemodynamics for Surgeons. New York, Grune & Stratton, 1974, pp 96-119.

4. Dopplersonographische Diagnostik von Stenosen und Verschlüssen der Vertebralarterien und des Subclavian-Steal-Syndroms

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