Three-dimensional CT angiography of intracranial vasospasm following subarachnoid haemorrhage

descriptionPublicationkeyboard_double_arrow_right Article 19 Oct 1998Publisher:Springer Science and Business Media LLCJournal:Neuroradiology, volume 40, pages 631-635 (issn: 0028-3940, eissn: 1432-1920,

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Authors: R, Takagi; H, Hayashi; H, Kobayashi; T, Kumazaki; K, Isayama; Y, Ikeda; A, Teramoto;

doi: 10.1007/s002340050654

pmid: 9833891

Three-dimensional CT angiography of intracranial vasospasm following subarachnoid haemorrhage

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Abstract

We evaluated the usefulness of three-dimensional CT angiography (3D-CTA) in the diagnosis of intracranial vasospasm following subarachnoid haemorrhage (SAH) in 13 patients suspected of having vasospasm on clinical grounds. The intracranial vessels were clearly shown by 3D-CTA in 12 patients. 3D-CTA revealed spasm in the vessels of nine patients. Catheter angiography performed in seven of these patients immediately after 3D-CTA confirmed vasospasm. A low-attenuation area was seen on CT in the other two patients, representing an ischaemic lesion due to the spasm. In nine patients, a second 3D-CTA was performed using the same technique 1 week after the first, showing no vasospasm. Initial 3D-CTA revealed no vasospasm change in three patients. Following 3D-CTA, one of these had conventional angiography, which also demonstrated no spasm.

Related Organizations

Nippon Medical School Hospital
Japan
Nippon Medical School
Japan

Keywords

Adult, Male, Middle Aged, Subarachnoid Hemorrhage, Cerebral Angiography, Ischemic Attack, Transient, Image Processing, Computer-Assisted, Humans, Female, Prospective Studies, Tomography, X-Ray Computed, Aged

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