Novel 16‐channel receive coil array for accelerated upper airway MRI at 3 Tesla
Identifieur interne : 000339 ( Main/Exploration ); précédent : 000338; suivant : 000340Novel 16‐channel receive coil array for accelerated upper airway MRI at 3 Tesla
Auteurs : Yoon-Chul Kim [États-Unis] ; Cecil E. Hayes [États-Unis] ; Shrikanth S. Narayanan [États-Unis] ; Krishna S. Nayak [États-Unis]Source :
- Magnetic Resonance in Medicine [ 0740-3194 ] ; 2011-06.
English descriptors
- KwdEn :
- Teeft :
- 3dft gradient echo sequence, Acceleration factors, Adjacent coil elements, Adjustable cantilever, Airway, Alveolar ridge, Average snrs, Axial slices, Better coverage, Birdcage coil, Capacitor, Coil, Coil array, Coil calibration, Coil design, Coil element, Coil elements, Coil sensitivity, Coil sensitivity maps, Color figure, Different acceleration factors, Different rois, Dynamic imaging, Echo time msec, Flip angle, Front tongue, Hard palate, Head array, Higher acceleration, Image quality, Image reconstruction, Imaging, Imaging parameters, Individual coil elements, Inner diameter, Input impedance, Isotropic resolution, Iterative sense reconstruction, Localized sensitivity, Lower airway, Lower image, Magn, Magn reson, Magnetic resonance imaging, Matrix, Midsagittal, Midsagittal images, Midsagittal scan plane, Midsagittal slice, Msec, Mutual inductive, Natural speech production, Neck array, Neck region, Noise amplification, Noise correlation matrix, Noninvasive assessment, Online issue, Parallel imaging, Parallel imaging reconstruction, Patient entry, Pharyngeal, Pharyngeal wall, Phase encoding, Pixel dimension, Preamp boxes, Pulse repetition time msec, Radiofrequency trap, Reduction factors, Regular undersampling, Reson, Resonance imaging, Roi, Root image, Scan time, Sense images, Sensitivity encoding, Sound production, Southern california, Spatial resolution, Speech production, Spiral interleaves, Spiral sense, Temporal resolution, Third coil, Tongue palate velum pharyngeal wall, Undersampling, Upper airway, Upper airway anatomy, Upper airway regions, Upper airway rois, Vocal tract, Vocal tract dynamics, Vocal tract shape.
Abstract
Upper airway MRI can provide a noninvasive assessment of speech and swallowing disorders and sleep apnea. Recent work has demonstrated the value of high‐resolution three‐dimensional imaging and dynamic two‐dimensional imaging and the importance of further improvements in spatio‐temporal resolution. The purpose of the study was to describe a novel 16‐channel 3 Tesla receive coil that is highly sensitive to the human upper airway and investigate the performance of accelerated upper airway MRI with the coil. In three‐dimensional imaging of the upper airway during static posture, 6‐fold acceleration is demonstrated using parallel imaging, potentially leading to capturing a whole three‐dimensional vocal tract with 1.25 mm isotropic resolution within 9 sec of sustained sound production. Midsagittal spiral parallel imaging of vocal tract dynamics during natural speech production is demonstrated with 2 × 2 mm2 in‐plane spatial and 84 ms temporal resolution. Magn Reson Med, 2011. © 2010 Wiley‐Liss, Inc.
Url:
DOI: 10.1002/mrm.22742
Affiliations:
- États-Unis
- Californie, Washington (État)
- Los Angeles, Seattle
- Université de Californie du Sud, Université de Washington
Links toward previous steps (curation, corpus...)
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- to stream Istex, to step Curation: 000161
- to stream Istex, to step Checkpoint: 000200
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- to stream Main, to step Curation: 000339
Le document en format XML
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Recent work has demonstrated the value of high‐resolution three‐dimensional imaging and dynamic two‐dimensional imaging and the importance of further improvements in spatio‐temporal resolution. The purpose of the study was to describe a novel 16‐channel 3 Tesla receive coil that is highly sensitive to the human upper airway and investigate the performance of accelerated upper airway MRI with the coil. In three‐dimensional imaging of the upper airway during static posture, 6‐fold acceleration is demonstrated using parallel imaging, potentially leading to capturing a whole three‐dimensional vocal tract with 1.25 mm isotropic resolution within 9 sec of sustained sound production. Midsagittal spiral parallel imaging of vocal tract dynamics during natural speech production is demonstrated with 2 × 2 mm2 in‐plane spatial and 84 ms temporal resolution. Magn Reson Med, 2011. © 2010 Wiley‐Liss, Inc.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Californie</li><li>Washington (État)</li></region><settlement><li>Los Angeles</li><li>Seattle</li></settlement><orgName><li>Université de Californie du Sud</li><li>Université de Washington</li></orgName></list><tree><country name="États-Unis"><region name="Californie"><name sortKey="Kim, Yoon Hul" sort="Kim, Yoon Hul" uniqKey="Kim Y" first="Yoon-Chul" last="Kim">Yoon-Chul Kim</name></region><name sortKey="Hayes, Cecil E" sort="Hayes, Cecil E" uniqKey="Hayes C" first="Cecil E." last="Hayes">Cecil E. Hayes</name><name sortKey="Kim, Yoon Hul" sort="Kim, Yoon Hul" uniqKey="Kim Y" first="Yoon-Chul" last="Kim">Yoon-Chul Kim</name><name sortKey="Narayanan, Shrikanth S" sort="Narayanan, Shrikanth S" uniqKey="Narayanan S" first="Shrikanth S." last="Narayanan">Shrikanth S. Narayanan</name><name sortKey="Nayak, Krishna S" sort="Nayak, Krishna S" uniqKey="Nayak K" first="Krishna S." last="Nayak">Krishna S. Nayak</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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