Free-breathing 3D steady-state free precession coronary MR angiography with radial k-space sampling:: Comparison with cartesian k-space sampling and cartesian gradient-echo coronary MR angiography -: Pilot study
Free-breathing 3D steady-state free precession coronary MR angiography with radial k-space sampling:: Comparison with cartesian k-space sampling and cartesian gradient-echo coronary MR angiography -: Pilot study
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DOI：
10.1148/radiol.2312030451
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发表时间：
2004-05-01
期刊：
影响因子：
19.7
通讯作者：
Günther, RW
中科院分区：
文献类型：
--
作者：
Spuentrup, E;Katoh, M;Günther, RW
作者比较了径向稳态自由旋进（SSFP）冠状动脉磁共振（MR）血管造影、颈动脉间隙。在16名健康成人和4名初步研究患者中进行SSFP冠状动脉MR血管造影和梯度回波冠状动脉MR血管造影。标准梯度回波磁共振成像与T2预备脉冲和carbohek空间采样的参考技术。通过主观运动伪影水平、客观对比度噪声比和血管清晰度来比较图像质量。与腕关节SSFP和梯度回波MR血管造影相比，径向SSFP减少了运动伪影，血管清晰度上级。比率和血管锐度。笛卡尔SSFP导致运动伪影增加（P < .05）。径向SSFP的对比噪声比与参考技术相似。径向SSFP冠状动脉MR血管造影似乎更可取，因为改善了血管边界的定义。(C)RSNA，2004年。
The authors compared radial steady-state free precession (SSFP) coronary magnetic resonance (MR) angiography, cartesian k-space. sampling SSFP coronary MR angiography, and gradient echo coronary MR angiography in 16 healthy adults and four pilot study patients. Standard gradient-echo MR imaging with a T2 preparatory pulse and cartesian k-space sampling was the reference technique. Image quality was compared by using subjective motion artifact level and, objective contrast-to-noise ratio and vessel sharpness. Radial SSFP, compared with cartesian SSFP and gradient-echo MR angiography, resulted in reduced motion artifacts and superior vesses sharpness. ratio and vessel sharpness. Cartesian SSFP resulted in increased motion artifacts (P < .05). Contrast-to-noise ratio with radial SSFP and similar to that with the reference technique. Radial SSFP coronary MR angiography appears preferable because of improved definition of vessel borders. (C) RSNA, 2004.