Why the study?
Does intraventricular myocardial systolic dyssynchrony measured by Doppler myocardial imaging identify hypertrophic cardiomyopathy patients at risk for ventricular arrhythmias?
Population
80 subjects: 35 patients with hypertrophic cardiomyopathy (HCM) and 45 age- and sex-matched controls.
Comparison
Pulsed Doppler myocardial imaging to evaluate… vs Age- and sex-matched controls.
Design
Case-control
Authors
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May support dyssynchrony assessment for NSVT risk in HCM; hypothesis-generating and requires prospective validation before clinical use.
Does intraventricular myocardial systolic dyssynchrony measured by Doppler myocardial imaging identify hypertrophic cardiomyopathy patients at risk for ventricular arrhythmias?
Intraventricular systolic dyssynchrony measured by Doppler myocardial imaging is strongly associated with nonsustained ventricular tachycardia in patients with hypertrophic cardiomyopathy, potentially identifying those at increased risk for arrhythmias.
D’Andrea et al. (2005) studied this question.
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