Key result
Recurrent tachycardia in patients with tachycardia-induced cardiomyopathy caused rapid decline in left ventricular function, resulting in heart failure within 6 months.
Why the study?
Does heart rate or rhythm control improve LVEF and symptoms in patients with tachycardia-induced cardiomyopathy, and what is the effect of recurrent tachycardia?
Population
Patients with tachycardia-induced cardiomyopathy
Design
Cohort
Follow-up
6 months
Authors
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Recurrent tachycardia was associated with rapid LVEF decline and HF; leaves open optimal prevention strategies in this reversible cardiomyopathy.
Does heart rate or rhythm control improve LVEF and symptoms in patients with tachycardia-induced cardiomyopathy, and what is the effect of recurrent tachycardia?
While tachycardia-induced cardiomyopathy is reversible with rate or rhythm control, recurrent tachycardia causes a rapid, precipitous decline in left ventricular function and heart failure, carrying a risk of sudden death.
Nerheim et al. (2004) studied this question. Recurrent tachycardia in patients with tachycardia-induced cardiomyopathy caused rapid decline in left ventricular function, resulting in heart failure within 6 months.
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