Pulmonary angiography with MR imaging: Preliminary clinical experience

Thomas M. Grist, H. Dirk Sostman, James R. MacFall, Thomas K. Foo, Charles E. Spritzer, Lynn Witty, Glen E. Newman, Jorg F. Debatin, Victor Tapson, Herbert A. Saltzman

Research output: Contribution to journalArticlepeer-review

Abstract

PURPOSE: To study the accuracy of magnetic resonance (MR) pulmonary angiography in 20 patients in whom pulmonary embolism (PE) was clinically suspected. MATERIALS AND METHODS: Fourteen patients (group 1) were recruited for the MR pulmonary angiography study before they underwent conventional pulmonary angiography (CPA) based on clinical findings. Six patients (group 2) did not undergo CPA but were considered to have PE on the basis of findings in other studies. MR venography was performed at the time of MR pulmonary angiography in 13 patients. RESULTS: MR pulmonary angiography had a sensitivity of 92%-100% and specificity of 62% for detection of PE. Performance of MR pulmonary arteriography and MR venography in a single examination to demonstrate thrombus in both the arterial and deep venous systems was proved feasible. CONCLUSION: This report describes an early clinical implementation of new MR pulmonary angiographic techniques. Further advances to improve specificity by enhancing sensitivity to slow flow and increasing spatial resolution are necessary before routine clinical use of MR pulmonary angiography is justified.

Original languageEnglish (US)
Pages (from-to)523-530
Number of pages8
JournalRadiology
Volume189
Issue number2
StatePublished - Nov 1993
Externally publishedYes

Keywords

  • Embolism, pulmonary, 60.72
  • Magnetic resonance (MR), vascular studies, 564.12142, 564.783, 944.12942, 944.77
  • Pulmonary angiography

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology

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