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Updated: Dec 14, 2025

Magnetic Resonance Derived Myocardial Strain Assessment Using Feature Tracking
Published on: February 12, 2011
Feature Tracking Myocardial Strain Incrementally Improves Prognostication in Myocarditis Beyond Traditional CMR
Kady Fischer1, Sarah J Obrist2, Sophie A Erne2
1Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland; Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.
Cardiac magnetic resonance feature tracking (CMR-FT) global longitudinal strain (GLS) offers significant prognostic value in myocarditis patients. This quantitative analysis improves risk stratification beyond traditional measures.
Area of Science:
- Cardiology
- Medical Imaging
- Biomedical Engineering
Background:
- Cardiac magnetic resonance (CMR) is crucial for diagnosing and risk-stratifying myocarditis.
- CMR feature tracking (CMR-FT) enables quantitative myocardial function analysis, but its prognostic utility in myocarditis remains unestablished.
Purpose of the Study:
- To investigate the prognostic association of CMR feature tracking (FT) with outcomes in myocarditis patients.
- To evaluate the incremental prognostic benefit of CMR-FT beyond clinical and traditional CMR features.
Main Methods:
- Included consecutive patients with suspected myocarditis and CMR findings (LGE and/or edema).
- Analyzed clinical and CMR features against major adverse cardiovascular events (MACE).
- Utilized CMR feature tracking (FT) for quantitative strain analysis, specifically global longitudinal peak strain (GLS).
Main Results:
- Of 740 patients, 455 met diagnostic criteria; 16% experienced MACE over 3.9 years.
- CMR-FT global longitudinal peak strain (GLS) was significantly associated with MACE in univariable analysis.
- GLS independently predicted outcomes and incrementally improved prognostication in multivariable models, adjusting for clinical factors, LVEF, and LGE extent.
Conclusions:
- Myocardial strain assessed by CMR-FT provides independent and incremental prognostic information in myocarditis.
- CMR-FT serves as a valuable novel marker for enhancing risk stratification in myocarditis patients.
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