Why the study?
Does the anterior approach to radiofrequency catheter ablation improve efficacy or safety compared to the posterior approach in patients with typical AVNRT?
Population
50 consecutive patients with typical atrioventricular nodal reentry tachycardia (AVNRT)
Comparison
Anterior approach to radiofrequency catheter… vs Posterior approach to radiofrequency catheter…
Design
RCT, Randomly assigned
Follow-up
3 months
Authors
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Either approach can be used first-line for typical AVNRT; confirms safety of crossover if the initial technique fails.
Does the anterior approach to radiofrequency catheter ablation improve efficacy or safety compared to the posterior approach in patients with typical AVNRT?
Both anterior and posterior approaches to radiofrequency ablation of AVNRT are similarly effective and safe, and it is safe to cross over to the alternative technique if the initial approach fails.
Langberg et al. (1993) studied this question.
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