Why the study?
Non-ischaemic left ventricular scar is an emerging substrate of ventricular arrhythmias in athletes, but the diagnostic value of arrhythmia reproducibility at repeated exercise testing was unknown.
Does the reproducibility of ventricular arrhythmias at repeated exercise testing predict the presence of non-ischaemic left ventricular scar in athletes?
Population
75 athletes evaluated for ventricular arrhythmias with CMR and repeated exercise testing
Comparison
Reproducible vs non-reproducible ventricular arrhythmias at repeated exercise testing
Design
Observational cohort study
Authors
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VA reproducibility on repeated ET may aid NILVS detection in athletes; hypothesis-generating and requires prospective validation before clinical use.
Does the reproducibility of ventricular arrhythmias at repeated exercise testing predict the presence of non-ischaemic left ventricular scar in athletes?
Reproducibility of ventricular arrhythmias during repeated exercise testing is a strong predictor of underlying non-ischaemic left ventricular scar in athletes, aiding in appropriate CMR referral.
Brunetti et al. (2022) studied this question.
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