Key result
A clinical score based on comorbidities significantly predicted sustained ventricular arrhythmias in heart failure patients with an ICD (OR 1.92 per point increase; 95% CI 1.40-2.65; P<0.0001).
Why the study?
LVEF has low sensitivity for predicting arrhythmic events in patients with symptomatic heart failure and LVEF 35% or less receiving an ICD, prompting a search for predictors of sustained ventricular arrhythmias.
Does a clinical score based on comorbidities predict sustained ventricular arrhythmias in patients with heart failure and reduced ejection fraction receiving an ICD for primary prevention?
Population
193 patients with chronic heart failure and LVEF less than 35% receiving ICD for primary prevention
Comparison
Predictors of sustained ventricular arrhythmias overall and by heart failure cause (nonischemic vs ischemic)
Design
Single-center retrospective cohort study
Follow-up
Median 1440 days
Authors
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May aid VA risk stratification in HF-ICD patients; leaves open prospective validation before clinical use.
Cohort (n=193)
No
Does a clinical score based on comorbidities predict sustained ventricular arrhythmias in patients with heart failure and reduced ejection fraction receiving an ICD for primary prevention?
Odds Ratio: 1.92 (95% CI 1.4–2.65)
p-value: p=< 0.0001
A simple clinical score based on comorbidities can help predict sustained ventricular arrhythmias in patients with HFrEF receiving an ICD for primary prevention.
Santangelo et al. (2020) conducted a cohort in chronic heart failure with LVEF <35% (n=193). Clinical score based on comorbidities was evaluated on sustained ventricular arrhythmias (SVAs) (OR 1.92, 95% CI 1.40-2.65, p=< 0.0001). A clinical score based on comorbidities significantly predicted sustained ventricular arrhythmias in heart failure patients with an ICD (OR 1.92 per point increase; 95% CI 1.40-2.65; P<0.0001).
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