ArticleMagnetic resonance in medicine2020
Navigator-based reacquisition and estimation of motion-corrupted data: Application to multi-echo spin echo for carotid wall MRI.
Article in Magnetic resonance in medicine, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- 10-channel phased-array coil for carotid wall MRI at 3T.PloS one · 2023Article
- Automated detection and reacquisition of motion-degraded images in fetal HASTE imaging at 3 T.Magnetic resonance in medicine · 2022Article
- Navigator-based reacquisition and estimation of motion-corrupted data: Application to multi-echo spin echo for carotid wall MRI.Magnetic resonance in medicine · 2020Article
- A promising tool to tackle the risk of cerebral vascular disease, the emergence of novel carotid wall imaging.Brain circulationReview
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9 authors.
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Abstract
purposeTo assess whether artifacts in multi-slice multi-echo spin echo neck imaging, thought to be caused by brief motion events such as swallowing, can be corrected by reacquiring corrupted central k-space data and estimating the remainder with parallel imaging.
methodsA single phase-encode line (k
resultsThe g-factor analysis showed that GRAPPA reconstruction of 2 adjacent motion-corrupted lines causes high noise amplification; therefore, the number of 2-line estimations should be limited. In volunteer scans, median ghosting reduction of 24% was achieved with 2 adjacent motion-corrupted lines correction, and image quality was improved in 2 patient scans that had motion corruption close to the center of k-space.
conclusionMotion-corrupted echo-trains can be identified with a navigator echo. Combined reacquisition and parallel imaging estimation reduced motion artifacts in multi-slice MESE when there were brief motion events, especially when motion corruption was close to the center of k-space.
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