3D coronary MR angiography in multiple breath-holds using a respiratory feedback monitor

Y. Wang, R. C. Grimm, P. J. Rossman, J. P. Debbins, Stephen J Riederer, Richard Lorne Ehman

Research output: Contribution to journalArticle

95 Citations (Scopus)

Abstract

To reduce respiratory blur and ghosts in 3D coronary imaging, a data acquisition scheme using consistent multiple breath-holds was implemented. A navigator echo was acquired and processed in real time to dynamically measure diaphragm position. This information was provided as a visual prompt to the patient to maintain consistency in breath-hold levels such that the variation range of diastolic heart position was less than 2 mm. Preliminary results indicate that this multiple breath-hold acquisition scheme, compared with acquisition under respiration, can significantly reduce blur and ghost artifacts in 3D coronary imaging.

Original languageEnglish (US)
Pages (from-to)11-16
Number of pages6
JournalMagnetic Resonance in Medicine
Volume34
Issue number1
DOIs
StatePublished - 1995

Fingerprint

Diaphragm
Coronary Angiography
Artifacts
Respiration

Keywords

  • cardiac imaging
  • coronary magnetic resonance angiography
  • image artifacts
  • respiratory motion

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology

Cite this

3D coronary MR angiography in multiple breath-holds using a respiratory feedback monitor. / Wang, Y.; Grimm, R. C.; Rossman, P. J.; Debbins, J. P.; Riederer, Stephen J; Ehman, Richard Lorne.

In: Magnetic Resonance in Medicine, Vol. 34, No. 1, 1995, p. 11-16.

Research output: Contribution to journalArticle

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