Why the study?
Does three level dynamic CT accurately diagnose and classify suspected acute aortic dissection?
Does three level dynamic CT accurately diagnose and classify suspected acute aortic dissection?
Three level dynamic CT is recommended as the initial imaging modality of choice for patients with suspected acute aortic dissection to accurately confirm the diagnosis and classify the type.
Supports dynamic CT for suspected aortic dissection in small cohorts; leaves open need for larger validation before practice change.
With the recent advent of computerized tomography (CT) and magnetic resonance imaging, the clinician is now faced with a variety of tests for the investigation of suspected acute aortic dissection. Forty-two patients were referred to the Department of Radiology over a 4.5-year period for the investigation of suspected dissection; 20 were diagnosed as having the condition. From the results of the evolving experience, it is believed that all patients suspected of having this disease should be studied with a three level dynamic CT in the first instance because the presence or absence of dissection and the type of dissection (type A or type B) can be determined with confidence.
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Walters et al. (1989) studied this question.
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