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Abstract #2571

Koosh ball whole-heart coronary magnetic resonance angiography with zoom imaging without a navigator

Yuki Furukawa1, Takashige Yoshida1, Kouhei Yuda1, Takumi Koyano1, Masami Yoneyama2, Nobuo Kawauchi1, Tetsurou Shirai3, and Atushi Senoo4

1Radiology, Tokyo Metropolitan Police Hospital, Nakano-ku, Japan, 2Phlips Electronics Japan, Minato-ku, Japan, 3Cardiovascular Medicine, Tokyo Metropolitan Police Hospital, Nakano-ku, Japan, 4Division of Radiological Sciences, Tokyo Metropolitan University, Arakawa-ku, Japan

We applied a 3D isotropic radial (koosh ball) trajectory WHC-MRA as zoom imaging. Navigation was not conducted; however, imaging was completed using high resolution. Zoom-KB WHC-MRA demonstrated good delineation of both the myocardial wall and coronary arteries. This was obtained without using a phrenic motion correction algorithm. When Zoom-KB WHC-MRA was compared with the reference standard, there was no significant difference (P > 0.05). The Zoom-KB enabled high isotropic spatial resolution with a short scan time. Motion artifact was controlled by equalizing noise. This was a simple, very efficient robust sequence.

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