Cardiovascular Magnetic Resonance in Myocarditis: A JACC White Paper
Population
Patients with suspected myocarditis
Design
Guideline
Authors
Discussion
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Member takes
Implication
This consensus document standardizes the use of CMR for diagnosing myocarditis by introducing the Lake Louise Criteria.
Key Points
- Provide expert consensus recommendations on standardizing cardiovascular magnetic resonance imaging protocols, interpretation, and diagnostic criteria for suspected myocarditis.
- Synthesized clinical trial evidence, expert consensus guidelines, and technological advancements in noninvasive cardiac imaging.
- Evaluated the diagnostic accuracy of parametric mapping techniques alongside conventional T1-weighted and T2-weighted imaging criteria.
- Defines updated Lake Louise diagnostic criteria requiring combined evidence of myocardial edema (via T2 mapping or T2-weighted imaging) and myocardial injury (via T1 mapping, extracellular volume fraction, or late gadolinium enhancement).
- Confirms that integrating parametric mapping significantly increases diagnostic sensitivity and specificity across acute and chronic presentations of myocardial inflammation.
Structured PICO
P
Population
Patients with suspected myocarditis
I
Intervention
Cardiovascular magnetic resonance (CMR) assessment
This consensus document standardizes the use of CMR for diagnosing myocarditis by introducing the Lake Louise Criteria.
Cite This Study
Friedrich et al. (2009) conducted a review in Suspected myocarditis. Cardiovascular magnetic resonance (CMR) was evaluated. The International Consensus Group developed recommendations for using cardiovascular magnetic resonance in suspected myocarditis, establishing the diagnostic Lake Louise Criteria.