Why the study?
Does the presence of fragmented QRS on ECG predict all-cause or arrhythmic mortality in primary prevention patients with left ventricular dysfunction eligible for ICD therapy?
Population
842 primary prevention patients with left ventricular dysfunction of ischemic and nonischemic etiology…
Comparison
Presence of fragmented QRS (fQRS+) on ECG vs Absence of fragmented QRS (fQRS-) on ECG
Design
Cohort
Follow-up
mean 40+/-17 months
Authors
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Does not support fQRS for ICD risk stratification in LV dysfunction; leaves open its prognostic value in other cohorts.
Does the presence of fragmented QRS on ECG predict all-cause or arrhythmic mortality in primary prevention patients with left ventricular dysfunction eligible for ICD therapy?
The presence of fragmented QRS on ECG does not predict all-cause or arrhythmic mortality in primary prevention patients with left ventricular dysfunction, suggesting it is not a useful marker for ICD risk stratification in this population.
Cheema et al. (2010) studied this question.
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