Rotational vertebrobasilar insufficiency secondary to vertebral artery occlusion from fibrous band of the longus coli muscle |
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Authors: | M R Dadsetan MD H E I Skerhut |
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Institution: | (1) Department of Radiology, Neuroradiology Section, The University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, 78284 San Antonio, Texas, USA;(2) Division of Neurosurgery, The University of Texas Health Science Center at San Antonio, Texas, USA |
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Abstract: | Summary Rotation-induced vertebrobasilar artery hypoperfusion causes transient ischemic attacks (TIAs), affecting the cerebellum,
brainstem and spinal cord. When these symptoms occur transiently due to head movement, compression of the vertebral artery
by an extraluminal lesion should be suspected. Cervical spondylotic spurs and anterior scalene muscle or deep cervical fascia
are among the factors which can compress the vertebral artery. When symptoms of vertebrobasilar insufficiency occur with rotational
head movement, subclavian angiography for visualization of the entire vertebral artery in both neutral and rotated head positions
should be undertaken. |
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Keywords: | Cerebral angiography Vertebral artery Vertebral artery occlusion Vertebrobasilar insufficiency Vertigo |
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