Key result
Beta-blockers provide effective prophylaxis in ~71% of idiopathic verapamil-sensitive left ventricular tachycardia cases.
Why the study?
Long-term prognosis, pharmacological prophylaxis, and transcatheter ablation outcomes in idiopathic verapamil-responsive left ventricular tachycardia were not well characterized.
Observational (n=33)
IVRLVT has a benign long-term prognosis with 0% mortality over 5.7 years, and beta-blockers are highly effective for prophylaxis, while radiofrequency ablation is a safe and effective definitive therapy.
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Supports beta-blocker prophylaxis in IVRLVT; observational data leaves open randomized confirmation of ablation efficacy.
Gaïta et al. (1994) conducted an observational in Idiopathic verapamil-responsive left ventricular tachycardia (IVRLVT) (n=33). Pharmacological prophylaxis and transcatheter ablation was evaluated on Long-term prognosis and treatment efficacy. In 33 patients with idiopathic verapamil-responsive left ventricular tachycardia followed for 5.7 years, no deaths occurred and beta-blockers were effective for prophylaxis in 71% of cases.
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