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Motion correction using coil arrays (MOCCA) for free-breathing cardiac cine MRI by Peng Hu; Susie Hong; Mehdi H. Moghari; Beth Goddu; Lois Goepfert; Kraig V. Kissinger; Thomas H. Hauser; Warren J. Manning; Reza Nezafat is a Medicine article available to read on EtoBox.

What is Motion correction using coil arrays (MOCCA) for free-breathing cardiac cine MRI about?

## Abstract In this study, we present a motion correction technique using coil arrays (MOCCA) and evaluate its application in free‐breathing respiratory self‐gated cine MRI. Motion correction technique using coil arrays takes advantages of the fact that motion‐induced changes in __k__‐space signal are modulated by individual coil sensitivity profiles. In the proposed implementation of motion correction technique using coil arrays self‐gating for free‐breathing cine MRI, the __k__‐space center line is acquired at the beginning of each __k__‐space segment for each cardiac cycle with 4 repetitions. For each __k__‐space segment, the __k__‐space center line acquired immediately before was used to select one of the 4 acquired repetitions to be included in the final self‐gated cine image by calculating the cross correlation between the __k__‐space center line with a reference line. The proposed method was tested on a cohort of healthy adult subjects for subjective image quality and objective blood‐myocardium border sharpness. The method was also tested on a cohort of patients to compare the left and right ventricular volumes and ejection fraction measurements with that of standard breath‐

Who reads Motion correction using coil arrays (MOCCA) for free-breathing cardiac cine MRI?

Author

Peng Hu; Susie Hong; Mehdi H. Moghari; Beth Goddu; Lois Goepfert; Kraig V. Kissinger; Thomas H. Hauser; Warren J. Manning; Reza Nezafat

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0740-3194)

Published

2011

Language

EN

Field

Medicine (Health Sciences)