The detection of pulmonary emboli by magnetic resonance imaging evaluation of imaging parameters

Christopher F. Pope, Dirk Sostman, Paul Carbo, John C. Gore, Wade Holcomb

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

The authors studied the influence of gating, cardiac cycle, and timing of rephasing gradients upon the detection of pulmonary emboli by MRI. Serial single-section MR images were obtained in normal dogs and dogs with experimental pulmonary emboli. Images with cardiac gating, respiratory gating, and ungated images were obtained. Cardiac gating in systole and late magnetization rephasing had the best diagnostic accuracy. Gated images were clearly superior to ungated; with combined cardiac and respiratory gating, sensitivity was 82% and specificity 88%. These results are sufficiently promising to warrant further studies.

Original languageEnglish (US)
Pages (from-to)937-946
Number of pages10
JournalInvestigative Radiology
Volume22
Issue number12
DOIs
StatePublished - Dec 1987

Keywords

  • Magnetic resonance imaging
  • Pulmonary embolism

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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