Intraarterial MR angiography and DSA in patients with peripheral arterial occlusive disease: prospective comparison

Radiology
Rolf W HuegliDeniz Bilecen

Abstract

To prospectively evaluate the accuracy of intraarterial magnetic resonance (MR) angiography in the depiction of significant stenoses and occlusions, with intraarterial digital subtraction angiography (DSA) serving as the reference standard. Approval of the local ethics committee and informed consent were obtained. Twenty patients (11 men; nine women; age range, 48-86 years; mean age, 69.5 years+/-11.2 [standard deviation]) with symptomatic peripheral arterial occlusive disease (PAOD) were prospectively enrolled. After percutaneous transluminal angioplasty (PTA), intraarterial MR angiography was performed in the thigh and the calf with a 1.5-T MR imager in two consecutive runs. Intraarterial MR angiography was performed with a low-dose injection protocol (ie, two 20-mL injections of a 50-mmol gadolinium-based contrast agent). Moderate stenoses (luminal narrowing<or=50%), significant stenoses (luminal narrowing 51%-99%), and occlusions (luminal narrowing of 100%) were identified on MR angiograms, which were compared with intraarterial DSA images. Intraarterial MR angiograms were analyzed for imaging artifacts. Sensitivity, specificity, accuracy, and positive and negative predictive values of intraarterial MR angiography with intr...Continue Reading

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Citations

May 22, 2008·AJR. American Journal of Roentgenology·Hale Ersoy, Frank J Rybicki
Dec 23, 2008·AJR. American Journal of Roentgenology·Florian PoschenriederNiels Zorger
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Dec 23, 2006·Journal of Vascular and Interventional Radiology : JVIR·Zhonghua Sun
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Jul 15, 2015·Journal of the American College of Radiology : JACR·Manisha C PatelVijay M Rao
May 28, 2008·Angiology·Kosmas I ParaskevasVassilios Andrikopoulos

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