A comparison of prospective and retrospective respiratory navigator gating in 3D MR coronary angiography

  • Yiping P. Du
  • Elliot R. McVeigh
  • David A. Bluemke
  • Harry A. Silber
  • Thomas K.F. Foo
Article

DOI: 10.1023/A:1011675130904

Cite this article as:
Du, Y.P., McVeigh, E.R., Bluemke, D.A. et al. Int J Cardiovasc Imaging (2001) 17: 287. doi:10.1023/A:1011675130904

Abstract

A comparison between the prospective and retrospective respiratory navigator gating in MR coronary angiography was performed with eight normal subjects. A three-dimensional (3D) ECG-gated fast gradient echo pulse sequence was used for image data acquisition. The results show that the MR coronary angiography obtained using retrospective gating retains a considerable amount of motion artifacts. In this study, the images acquired using prospective navigator gating demonstrated significantly reduced motion artifacts (p = 0.009), improved vessel visibility (p = 0.021) with reduced imaging time (p = 0.013) compared to the images obtained using retrospective navigator gating.

coronary imaging MR imaging MR navigator echoes 

Copyright information

© Kluwer Academic Publishers 2001

Authors and Affiliations

  • Yiping P. Du
    • 1
  • Elliot R. McVeigh
    • 2
  • David A. Bluemke
    • 3
  • Harry A. Silber
    • 3
  • Thomas K.F. Foo
    • 1
  1. 1.Applied Science Lab, GE-Medical Systems, MilwaukeeUSA
  2. 2.Department of Biomedical Engineering and RadiologyJohns Hopkins University School of MedicineBaltimoreUSA
  3. 3.Department of RadiologyJohns Hopkins University School of MedicineBaltimoreUSA

Personalised recommendations