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Heart wall motion: improved method of spatial modulation of magnetization for MR imaging.
Abstract
A previously reported method of using magnetic resonance (MR) imaging to study heart wall motion involves a pair of nonselective radio-frequency (RF) pulses, separated by a magnetic field gradient pulse, prior to imaging; this produces images with a regular pattern of stripes that move with the heart wall and that have a sinusoidal intensity profile. It is demonstrated in this study that the substitution of more RF pulses, with their relative amplitudes distributed according to the binomial sequence, results in sharper stripes. This permits the use of a two-dimensional grid of stripes for more detailed studies of heart wall motion and provides a unique method of analyzing regional ventricular myocardial strain.
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Citations
Cited by
Three-dimensional modeling for functional analysis of cardiac images, a review
Frangi, A. F., Niessen, W. J., & Viergever, M. A. (2001) · IEEE Transactions on Medical Imaging · doi:10.1109/42.906421 · Cited by 533
Three-dimensional left ventricular deformation in hypertrophic cardiomyopathy.
Young, A. A., Kramer, C. M., Ferrari, V. A., Axel, L., & Reichek, N. (1994) · Circulation · doi:10.1161/01.cir.90.2.854 · Cited by 401
Self-citationImage-Based Predictive Modeling of Heart Mechanics
Wang, V. Y., Nielsen, P. M. F., & Nash, M. P. (2015) · Annual Review of Biomedical Engineering · doi:10.1146/annurev-bioeng-071114-040609 · Cited by 63
Small animal cardiovascular MR imaging and spectroscopy
Bakermans, A. J., Abdurrachim, D., Moonen, R. P. M., Motaal, A. G., Prompers, J. J., Strijkers, G. J., Vandoorne, K., & Nicolay, K. (2015) · Progress in Nuclear Magnetic Resonance Spectroscopy · doi:10.1016/j.pnmrs.2015.03.001 · Cited by 35
Cardiac Magnetic Resonance Imaging for the Evaluation of Ventricular Function
Sarwar, A., Shapiro, M. D., Abbara, S., & Cury, R. C. (2008) · Seminars in Roentgenology · doi:10.1053/j.ro.2008.02.004 · Cited by 26
Metadata
- Authors
- Axel, L., & Dougherty, L.
- Venue
- Radiology
- Published
- 1989-08
- Volume
- 172
- Issue
- 2
- Pages
- 349-350
- ISSN
- 0033-8419 (ISSN-L)
- 1527-1315
- OpenAlex
- W2016395697
- Cited by
- 597
- References
- 0
- FWCI
- 8.28
- Type
- journal article
- Language
- en
- Open access
- closed
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- Axel, L., & Dougherty, L. (1989). Heart wall motion: improved method of spatial modulation of magnetization for MR imaging. Radiology. https://doi.org/10.1148/radiology.172.2.2748813
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
