Why the study?
It was unknown whether the magnitude of global constructive work is associated with the occurrence of ventricular arrhythmias in patients after cardiac resynchronization therapy.
Does below-median global constructive work predict ventricular arrhythmias in patients with a CRT defibrillator?
Does below-median global constructive work predict ventricular arrhythmias in patients with a CRT defibrillator?
In patients with a CRT defibrillator, a global constructive work below the median (<1473 mmHg%) is an independent predictor of ventricular arrhythmias, suggesting its potential utility in risk stratification.
GCW may aid arrhythmia risk assessment in CRT candidates; hypothesis-generating and requires prospective validation before clinical adoption.
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Saffi et al. (2023) studied this question.
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