Abstract
A comparison between the prospective and retrospective respiratory navigator gating in MR coronary angiography was performed with eight normal subjects. A three-dimensional (3D) ECG-gated fast gradient echo pulse sequence was used for image data acquisition. The results show that the MR coronary angiography obtained using retrospective gating retains a considerable amount of motion artifacts. In this study, the images acquired using prospective navigator gating demonstrated significantly reduced motion artifacts (p = 0.009), improved vessel visibility (p = 0.021) with reduced imaging time (p = 0.013) compared to the images obtained using retrospective navigator gating.
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Du, Y.P., McVeigh, E.R., Bluemke, D.A. et al. A comparison of prospective and retrospective respiratory navigator gating in 3D MR coronary angiography. Int J Cardiovasc Imaging 17, 287–294 (2001). https://doi.org/10.1023/A:1011675130904
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DOI: https://doi.org/10.1023/A:1011675130904