The DOI matches its Crossref record.
Navigator-echo-based real-time respiratory gating and triggering for reduction of respiration effects in three-dimensional coronary MR angiography.
Abstract
PURPOSE: To test the hypothesis that respiration effects in three-dimensional (3D) coronary magnetic resonance (MR) imaging can be reduced with navigator-echo-based gating or triggering according to the superior-inferior position of the diaphragm. MATERIALS AND METHODS: Real-time respiratory gating and respiratory triggering (breath hold with feedback) were implemented with navigator echoes in a magnetization-prepared, segmented, 3D coronary imaging sequence. The two techniques were first tested with a motion phantom. An imaging protocol that compared real-time respiratory-gated acquisition, real-time respiratory-triggered acquisition, and continuous acquisition was then evaluated in six healthy subjects. RESULTS: Real-time respiratory-gated and respiratory-triggered acquisition were superior to continuous acquisition with two signals averaged (P = .025). The performance of the gated acquisition was about the same as that of the triggered acquisition (P = .05). CONCLUSION: Navigator-echo-based, real-time respiratory-gating and respiratory-triggering techniques are practical methods for effective reduction of respiration effects in coronary MR imaging.
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Cited by
Markl, M., Frydrychowicz, A., Kozerke, S., Hope, M., & Wieben, O. (2012) · Journal of Magnetic Resonance Imaging · doi:10.1002/jmri.23632 · Cited by 788
Zaitsev, M., Dold, C., Sakas, G., Hennig, J., & Speck, O. (2006) · NeuroImage · doi:10.1016/j.neuroimage.2006.01.039 · Cited by 391
Stuber, M., Botnar, R. M., Danias, P. G., Sodickson, D. K., Kissinger, K. V., Van Cauteren, M., De Becker, J., & Manning, W. J. (1999) · Journal of the American College of Cardiology · doi:10.1016/s0735-1097(99)00223-5 · Cited by 320
Stuber, M., Botnar, R. M., Danias, P. G., Kissinger, K. V., & Manning, W. J. (1999) · Radiology · doi:10.1148/radiology.212.2.r99au50579 · Cited by 256
Klein, C., Schalla, S., Schnackenburg, B., Bornstedt, A., Hoffmann, V., Fleck, E., & Nagel, E. (2003) · Journal of Magnetic Resonance Imaging · doi:10.1002/jmri.10317 · Cited by 29
Metadata
- Authors
- Wang, Y., Rossman, P. J., Grimm, R. C., Riederer, S. J., & Ehman, R. L.
- Venue
- Radiology
- Published
- 1996-01
- Volume
- 198
- Issue
- 1
- Pages
- 55-60
- ISSN
- 0033-8419 (ISSN-L)
- 1527-1315
- OpenAlex
- W2161061318
- Cited by
- 386
- References
- 0
- FWCI
- 29.19
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wang, Y., Rossman, P. J., Grimm, R. C., Riederer, S. J., & Ehman, R. L. (1996). Navigator-echo-based real-time respiratory gating and triggering for reduction of respiration effects in three-dimensional coronary MR angiography. Radiology. https://doi.org/10.1148/radiology.198.1.8539406
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