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Journal Article

Fluoroscopic Contrast-Enhanced MR Angiography with a Magnetization-Prepared Steady-State Free Precession Technique in Peripheral Arterial Occlusive Disease

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons84187

Anschwanden M, Scheffler,  K
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Citation

Huegli, R., Anschwanden M, Scheffler, K., & Bilecen, D. (2006). Fluoroscopic Contrast-Enhanced MR Angiography with a Magnetization-Prepared Steady-State Free Precession Technique in Peripheral Arterial Occlusive Disease. American Journal of Roentgenology, 187(1), 242-247. Retrieved from http://www.ajronline.org/content/187/1/242.long.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-D0D3-C
Abstract
OBJECTIVE. The objective of our study was to evaluate the feasibility of intraarterial (IA) near-real-time contrast-enhanced MR angiography (CE-MRA) with a frame rate of 1.3 frames per second in seven patients with lower extremity peripheral arterial occlusive disease (PAOD). For optimized background suppression, a modified 2D steady-state free precession (SSFP) technique with magnetization preparation and mask subtraction was developed. The femoropopliteal and infrapopliteal arteries were covered in two separate steps. Acceptable contrast-to-noise ratios were obtained, and road maps were reconstructed from the same data set. CONCLUSION. Mastering IA near-real-time CE-MRA, including road map reconstruction, with an SSFP technique in the lower extremity of patients with PAOD is an important building block toward successfully performing endovascular catheter MR-guided interventions.