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Effect of Care Guided by Cardiovascular Magnetic Resonance, Myocardial Perfusion Scintigraphy, or NICE Guidelines on Subsequent Unnecessary Angiography Rates

Effect of Care Guided by Cardiovascular Magnetic Resonance, Myocardial Perfusion Scintigraphy, or... Key PointsQuestionIn patients with suspected coronary heart disease, does a strategy involving cardiovascular magnetic resonance (CMR) result in less unnecessary angiography than a myocardial perfusion scintigraphy (MPS) strategy or a national guideline that included sending high-risk patients directly to angiography? FindingsIn this clinical trial, both CMR and MPS strategies significantly reduced unnecessary angiography rates compared with national guidelines (7.5% for CMR, 7.1% for MPS, 28.8% for national guidelines); no statistically significant differences were seen between CMR and MPS strategies. There was no statistically significant difference in major cardiovascular event rates at 12 months between the 3 groups. MeaningNoninvasive functional imaging strategies reduced unnecessary angiography compared with guidelines-directed care. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png JAMA American Medical Association

Effect of Care Guided by Cardiovascular Magnetic Resonance, Myocardial Perfusion Scintigraphy, or NICE Guidelines on Subsequent Unnecessary Angiography Rates

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Publisher
American Medical Association
Copyright
Copyright 2016 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.
ISSN
0098-7484
eISSN
1538-3598
DOI
10.1001/jama.2016.12680
pmid
27570866
Publisher site
See Article on Publisher Site

Abstract

Key PointsQuestionIn patients with suspected coronary heart disease, does a strategy involving cardiovascular magnetic resonance (CMR) result in less unnecessary angiography than a myocardial perfusion scintigraphy (MPS) strategy or a national guideline that included sending high-risk patients directly to angiography? FindingsIn this clinical trial, both CMR and MPS strategies significantly reduced unnecessary angiography rates compared with national guidelines (7.5% for CMR, 7.1% for MPS, 28.8% for national guidelines); no statistically significant differences were seen between CMR and MPS strategies. There was no statistically significant difference in major cardiovascular event rates at 12 months between the 3 groups. MeaningNoninvasive functional imaging strategies reduced unnecessary angiography compared with guidelines-directed care.

Journal

JAMAAmerican Medical Association

Published: Sep 13, 2016

References