The conventional screening criteria identify most patients with BCVI (84%). CTA as a screening criterion captures nearly all remaining patients before symptoms developing. This allows for detection and treatment of injuries in patients that otherwise would be missed until symptomatic. CTA should be part of the radiologic evaluation for potential head, neck, and facial injuries. Unfortunately, CTA is not sensitive enough to reliably detect injuries, but should be added as a screening criterion. Angiography remains the gold standard for BCVI diagnosis.
Given the devastation of stroke, and high mortality from missed injuries, this study demonstrates that even with more advanced technology (32 vs 16 channel), CTA is inadequate for BCVI screening. Digital subtraction angiography remains the gold standard for the diagnosis of BCVI.
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