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Acute aortic abnormalities.

C H Coulam1, G D Rubin

  • 1Department of Radiology, S-072, Stanford University School of Medicine, Stanford, CA 94305-5105, USA.

Seminars in Roentgenology
|May 2, 2001
PubMed
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Acute aortic abnormalities, including aneurysms and type B dissections, are emergencies. Helical CT angiography is the preferred imaging method for rapid and accurate evaluation of the acute aorta and its complications.

Area of Science:

  • Vascular Surgery
  • Diagnostic Imaging
  • Emergency Medicine

Background:

  • Aneurysms and type B dissections are the primary causes of acute abdominal aortic abnormalities.
  • The postsurgical aorta requires vigilant monitoring due to potential complications.
  • Acute aortic conditions represent high-mortality emergencies necessitating prompt diagnostic evaluation.

Purpose of the Study:

  • To highlight the critical role of imaging in evaluating acute aortic abnormalities.
  • To establish helical CT angiography as the optimal imaging modality for acute aortic conditions.

Main Methods:

  • Review of modern helical CT scanner capabilities, emphasizing spatial resolution and speed.
  • Assessment of helical CT angiography's suitability for rapid emergency imaging.

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Main Results:

  • Modern helical CT scanners offer excellent spatial resolution and rapid acquisition.
  • Helical CT angiography is readily available in most clinical settings.

Conclusions:

  • Helical CT angiography is the imaging modality of choice for the initial evaluation of the acute aorta.
  • The speed and resolution of helical CT angiography are crucial for managing life-threatening aortic emergencies.