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The role of dobutamine stress magnetic resonance in the clinical management of patients with coronary artery disease

Background

Dobutamine stress magnetic resonance imaging (DSMR) has consistently high diagnostic and prognostic utility. Its value for clinical decision making still needs to be defined. Hence, the purpose of this study was to assess the role of DSMR regarding clinical management of patients with suspected and known coronary artery disease (CAD) in a routine setting.

Methods and results

Standard DSMR was performed in 1532 consecutive patients with suspected and known CAD. Patients were stratified according to the results of DSMR: DSMR-positive patients were recommended to undergo invasive coronary angiography and DSMR-negative patients received optimal medical treatment. Of 609 (40%) DSMR-positive patients coronary angiography was performed in 478 (78%) within 90 days. In 409 of these patients significant coronary stenoses (≥50% luminal narrowing) were present (sensitivity 86%). Of 923 (60%) DSMR-negative patients 833 (90%) received optimal medical therapy. During a median follow-up period of 2.1 years 8 DSMR-negative patients (0.96%) sustained a cardiac event.

In 131 DSMR-positive patients who did not undergo invasive angiography, 20 patients (15%) suffered cardiac events. In 90 DSMR-negative patients (10%) invasive angiography was performed within 2 years (range 0.01 to 2.0 years) with 56 patients having coronary stenoses ≥50%. Figure 1.

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Figure 1

Conclusion

DSMR can be used as an arbiter in a routine setting for clinical decision making and has high utility for clinical management of patients with suspected and known CAD.

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Correspondence to Rolf Gebker.

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This article is published under license to BioMed Central Ltd. This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Gebker, R., Jahnke, C., Manka, R. et al. The role of dobutamine stress magnetic resonance in the clinical management of patients with coronary artery disease. J Cardiovasc Magn Reson 13, O64 (2011). https://doi.org/10.1186/1532-429X-13-S1-O64

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Keywords

  • Coronary Artery Disease
  • Coronary Angiography
  • Cardiac Event
  • Clinical Decision
  • Clinical Management