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

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

Graziano Arnetoli, M.D., F.I.C.A.

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

Giuseppe Nuzzaci, M.D., F.I.C.A.

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

Paolo Stefani, M.D.

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

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.

Angiology, Vol. 39, No. 4, 365-370 (1988)
DOI: 10.1177/000331978803900406


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