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Compressions of Carotid and Vertebral Arteries in Assessment of Intracranial Collateral Flow: Correlation Between Angiography and Transcranial Doppler Ultrasonography

First Neurological Clinic, University Hospital, Department of Neurology, Medical School of Comenius University, Bratislava, Slovakia

Jarmila Bujdáková, M.D.

First Neurological Clinic, University Hospital, Department of Neurology, Medical School of Comenius University, Bratislava, Slovakia

Pavel Traubner, M.D., Ph.D.

First Neurological Clinic, University Hospital, Department of Neurology, Medical School of Comenius University, Bratislava, Slovakia

The authors examined 61 subjects with carotid angiography and 50 with vertebral angiography Angiograms were evaluated for collateral flow through the ophthalmic, anterior communicating, and posterior communicating arteries. The authors evaluated the patency of collateral vessels directly using trancranial Doppler ultrasonography; they made indirect detection after the compression of carotid and vertebral arteries while monitoring flow velocities in the middle cerebral artery. They established criteria for the hemodynamic significance of tested collateral vessels. A combination of carotid compres sions and transcranial Doppler ultrasonography detected the patency of the ophthalmic and anterior communicating arteries with a specificity and sensitivity of 1.00. Examination of the posterior communicating artery had a sensitivity of 0.97 and speci ficity of 0.98. Indirect evaluation of collateral vessels can not only detect their presence but also establish their hemodynamic significance with high accuracy

Angiology, Vol. 45, No. 12, 1039-1045 (1994)
DOI: 10.1177/000331979404501207


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