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Updated: Dec 15, 2025

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Non-enhanced and Non-gated MR Angiography for Robust Visualization of Peripheral Arteries Using Enhanced
Shuhei Shibukawa1, Natsuo Konta1, Tetsu Niwa2
1Department of Radiology, Tokai University Hospital.
Abstract:
This study aimed to assess the feasibility for applying enhanced acceleration-selective arterial spin labeling (eAccASL) to non-electrocardiogram-gated and non-enhanced peripheral MRA. We compared eAccASL and background suppressed single shot turbo field echo (TFE)-triggered angiography non-contrast-enhanced sequence (BASS TRANCE) required electrocardiographic-gating in eight volunteers and three patients. In the volunteer study, eAccASL demonstrated a comparable arterial visualization compared with BASS TRANCE. In patient observation, the advantages with eAccASL were found in arterial visualization on the collateral vessels and without artifacts affected by arrhythmia events.
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