Experience with radiofrequency catheter ablation of fascicular tachycardia.

Bennett, David

doi:10.1136/hrt.77.2.104

Cited by 6 publications

(1 citation statement)

References 9 publications

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“…Three studies were prospective [7] [ 19,20]. All the studies were observational, with no control group and all but 5 [ [47,48]. Both authors (AC and RP) were in agreement regarding study classification.…”

Section: Study Selection and Patient Characteristicsmentioning

confidence: 99%

Catheter ablation for fascicular ventricular tachycardia: A systematic review

Creta

Chow

Sporton

et al. 2019

International Journal of Cardiology

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Introduction: Catheter ablation has been evaluated as treatment for fascicular ventricular tachycardia (FVT) in several single-centre cohort studies, with variable results regarding efficacy and outcomes. Methods: A systematic search was performed on PubMed, EMBASE and Cochrane database (from inception to November 2017) that included studies on FVT catheter ablation. Results: Thirty-eight observational non-controlled case series comprising 953 patients with FVT undergoing catheter ablation were identified. Three studies were prospective and only 5 were multi-centre. Eight-hundred and eighty-four patients (94.2%) had left posterior FVT, 25 (3.4%) left anterior FVT and 30 (2.4%) other forms. In 331 patients (41%), ablation was performed in sinus rhythm (SR). The mean follow-up period was 41.4±10.7 months. Relapse of FVT occurred in 100 patients (10.7%). Among the 79 patients (8.3%) requiring a further procedure after the index ablation, 19 (2%) had further FVT relapses. Studies in which ablation was performed in FVT had similar success rate after multiple procedures compared to ablation in SR only (95.1%, CI95%92.2-97%, I2=0% versus 94.8%, CI95%87.6-97.9%, I 2 =0%, respectively). Success rate was numerically lower in paediatric-only series compared to nonpaediatric cases (90.0%, CI95%82.1-94.6%, I 2 =0% versus 94.3%, CI95%92.2-95.9%, I 2 =0%, respectively). Conclusion: Data derived from observational non-controlled case series, with lowmethodological quality, suggest that catheter ablation is a safe and effective treatment for FVT, with a 93.5% success rate after multiple procedures. Ablation during FVT represents the firstline and most commonly used approach; however, a strategy of mapping and ablation during SR displayed comparable procedural results to actively mapping patients in FVT and should therefore be considered in selected cases where FVT is not inducible.

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