CT angiography of the extremities

Adam Tuite, Michael Anderson, Christine Kulstad

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

CT angiography (CTA) (1) and magnetic resonance angiography (MRA) are used instead of conventional angiography for many cases requiring evaluation of the blood vessels. Advantages of CTA compared with conventional angiography include the avoidance of arterial puncture, reduced radiation exposure, and reduced contrast load, with less resultant risk of renal toxicity (2). CTA is often more convenient for emergent evaluation because it does not require mobilization of the interventional radiography team. It is usually more readily available than MRA and avoids the monitoring limitations of the MRI suite. This chapter discusses the indications, diagnostic capabilities, and limitations of CTA of the upper and lower extremities, followed by images of important pathological findings. INDICATIONS CTA, like conventional angiography, should be performed after traumatic injuries in patients whose injured extremity is pulseless, has a neurological deficit, has an expanding hematoma, or has a bruit or thrill (3). It may also be required in penetrating trauma where the path of injury lies near an important vessel, with limb color or temperature change, or in blunt traumawith a suspicious mechanism, such as knee dislocations.Nontraumatic indications include patients who present with a cool, painful extremity suggestive of acute arterial insufficiency (4), or in suspected arteriovenous fistulas or aneurysms.

Original languageEnglish (US)
Title of host publicationClinical Emergency Radiology
PublisherCambridge University Press
Pages506-514
Number of pages9
ISBN (Electronic)9780511551734
ISBN (Print)9780521870542
DOIs
StatePublished - Jan 1 2008

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Extremities
Angiography
Magnetic Resonance Angiography
Arteriovenous Fistula
Interventional Radiography
Wounds and Injuries
Knee Dislocation
Punctures
Hematoma
Blood Vessels
Lower Extremity
Color
Computed Tomography Angiography
Kidney
Temperature

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Tuite, A., Anderson, M., & Kulstad, C. (2008). CT angiography of the extremities. In Clinical Emergency Radiology (pp. 506-514). Cambridge University Press. https://doi.org/10.1017/CBO9780511551734.037

CT angiography of the extremities. / Tuite, Adam; Anderson, Michael; Kulstad, Christine.

Clinical Emergency Radiology. Cambridge University Press, 2008. p. 506-514.

Research output: Chapter in Book/Report/Conference proceedingChapter

Tuite, A, Anderson, M & Kulstad, C 2008, CT angiography of the extremities. in Clinical Emergency Radiology. Cambridge University Press, pp. 506-514. https://doi.org/10.1017/CBO9780511551734.037
Tuite A, Anderson M, Kulstad C. CT angiography of the extremities. In Clinical Emergency Radiology. Cambridge University Press. 2008. p. 506-514 https://doi.org/10.1017/CBO9780511551734.037
Tuite, Adam ; Anderson, Michael ; Kulstad, Christine. / CT angiography of the extremities. Clinical Emergency Radiology. Cambridge University Press, 2008. pp. 506-514
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