Does preferential biopsy in regions showing late gadolinium enhancement on cardiovascular magnetic resonance increase the number of positive diagnoses of myocarditis?
Patients undergoing endomyocardial biopsy (EMB) for suspected myocarditis
Left ventricular (LV-EMB) and right ventricular (RV-EMB) endomyocardial biopsy, including preferential biopsy in regions showing late gadolinium enhancement on cardiovascular magnetic resonance
Diagnostic yield and number of positive diagnoses of myocarditis
Sampling from both ventricles optimizes the diagnostic yield of endomyocardial biopsy, but CMR-guided preferential biopsy does not increase positive diagnoses of myocarditis.
Both LV-EMB and RV-EMB are safe procedures if performed by experienced interventionalists. The diagnostic yield of EMB may be optimized when samples from both ventricles are available. Preferential biopsy in regions showing late gadolinium enhancement on cardiovascular magnetic resonance does not increase the number of positive diagnoses of myocarditis.
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Ali Yılmaz
Ingrid Kindermann
Michael Kindermann
Circulation
Robert Bosch (Germany)
Robert Bosch Hospital
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Yılmaz et al. (Tue,) studied this question.
www.synapsesocial.com/papers/69bbb2a52688e649d33d48a7 — DOI: https://doi.org/10.1161/circulationaha.109.924167