Cardiac-respiratory gating method for magnetic resonance imaging of the heart

Qing Yuan, Leon Axel, Eduardo H. Hernandez, Lawrence Dougherty, James J. Pilla, Craig H. Scott, Victor A. Ferrari, Aaron S. Blom

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

In studies of transmural myocardial function, acquisitions of high spatial and temporal resolution tagged cardiac images often exceed the practical time limit for breath-hold fast imaging techniques. Therefore, a dual cardiac-respiratory gating device has been constructed to acquire SPAMM- tagged cardiac MR images at or near end-expiration during spontaneous breathing, by providing an external trigger to a conventional MRI system. Combined cardiac and respiratory gating essentially eliminates the respiratory motion artifacts in tagged cardiac MR images. Compared to cardiac-gated images obtained during intermittent breath-holds, cardiac- respiratory gated images show improved tag-myocardium contrast due to magnetization recovery during inspiration. (C) 2000 Wiley-Liss, Inc.

Original languageEnglish (US)
Pages (from-to)314-318
Number of pages5
JournalMagnetic Resonance in Medicine
Volume43
Issue number2
DOIs
StatePublished - 2000

Fingerprint

Magnetic Resonance Imaging
Artifacts
Myocardium
Respiration
Equipment and Supplies

Keywords

  • Cardiac and respiratory gating
  • Cardiac imaging
  • Motion artifacts
  • Tagging

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology

Cite this

Cardiac-respiratory gating method for magnetic resonance imaging of the heart. / Yuan, Qing; Axel, Leon; Hernandez, Eduardo H.; Dougherty, Lawrence; Pilla, James J.; Scott, Craig H.; Ferrari, Victor A.; Blom, Aaron S.

In: Magnetic Resonance in Medicine, Vol. 43, No. 2, 2000, p. 314-318.

Research output: Contribution to journalArticle

Yuan, Qing ; Axel, Leon ; Hernandez, Eduardo H. ; Dougherty, Lawrence ; Pilla, James J. ; Scott, Craig H. ; Ferrari, Victor A. ; Blom, Aaron S. / Cardiac-respiratory gating method for magnetic resonance imaging of the heart. In: Magnetic Resonance in Medicine. 2000 ; Vol. 43, No. 2. pp. 314-318.
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