Why the study?
Does Magnetic Resonance Angiography or Duplex Ultrasound improve diagnostic accuracy for carotid artery stenosis compared to Digital Subtraction Angiography?
Population
Patients evaluated for carotid artery stenosis
Comparison
Magnetic Resonance Angiography and Duplex… vs Digital Subtraction Angiography (DSA)
Authors
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MRA may be prioritized over DUS for severe stenosis; leaves open whether superior discrimination improves clinical outcomes.
Does Magnetic Resonance Angiography or Duplex Ultrasound improve diagnostic accuracy for carotid artery stenosis compared to Digital Subtraction Angiography?
MRA provides superior discriminatory power to DUS for severe carotid stenosis, while both modalities are highly accurate for detecting occlusion when compared to the DSA reference standard.
Nederkoorn et al. (2003) studied this question.
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