Intraarterial versus IV gadolinium injections for MR angiography: quantitative and qualitative assessment of the infrainguinal arteries |
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Authors: | Schulte Anja-Carina Bongartz Georg Huegli Rolf Aschwanden Markus Jaeger Kurt A Ostheim-Dzerowycz Wladimir Jacob Augustinus L Bilecen Deniz |
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Institution: | Biocenter, University of Basel, Basel, Switzerland. |
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Abstract: | OBJECTIVE: Our purpose was to quantitatively and qualitatively compare 3D intraarterial (IA) gadolinium-enhanced MR angiography (IA MRA) versus the standard of reference of MR angiography, 3D IV gadolinium-enhanced MR angiography (IV MRA), in patients with peripheral arterial occlusive disease (PAOD) for use during catheter-based MR-guided endovascular interventions. CONCLUSION: IA MRA provides image quality of the infrainguinal arteries in PAOD patients comparable to IV MRA with a significantly improved assessment of the infrapopliteal arteries due to reduced venous contamination. Further benefits of IA MRA include usage of only very low doses of gadolinium and simplified bolus timing. |
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