Vol. 27 No. 3 (2023)
REVIEWS

Atrial fibrillation ablation in patients with reduced left ventricular ejection fraction: does it only improve hemodynamics or does it affect the prognosis? (A systematic review)

pdf (Русский)
  • S.G. Kanorskii,
  • D.S. Novikov
S.G. Kanorskii
Kuban State Medical University, Ministry of Health of Russian Federation, Krasnodar
Bio
D.S. Novikov
Limited liability company "Euromedservice", Dinskaya Village, Krasnodar Region
Methods of information processing
DOI: https://doi.org/10.21688/1681-3472-2023-3-7-18

Published 2023-09-29

Keywords

  • Atrial Fibrillation,
  • Catheter Ablation,
  • Heart Failure,
  • Stroke Volume,
  • Ventricular Function, Left

How to Cite

Kanorskii, S., & Novikov, D. (2023). Atrial fibrillation ablation in patients with reduced left ventricular ejection fraction: does it only improve hemodynamics or does it affect the prognosis? (A systematic review). Patologiya Krovoobrashcheniya I Kardiokhirurgiya, 27(3), 7–18. https://doi.org/10.21688/1681-3472-2023-3-7-18

Copyright (c) 2023 Kanorskii S.G., Novikov D.S.

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

Objective: To critically evaluate the results of studies concerning the impact of atrial fibrillation ablation on hemodynamics and prognosis in patients with heart failure with reduced left ventricular ejection fraction.
Methods: We searched via keywords in the PubMed, Embase, Cochrane Library, and Web of Science databases and selected the most-cited studies containing data on the ablation treatment of patients with atrial fibrillation and heart failure with reduced left ventricular ejection fraction, including such treatment end points as left ventricular ejection fraction, mortality, etc. We analyzed the effect of ablation on changes in left ventricular ejection fraction and clinical outcomes in patients with atrial fibrillation compared with that of drug therapy.
Results: We screened 4581 literature sources: of them, 48 were selected for the review. Compared with drug therapy in similar patients with atrial fibrillation and heart failure, there is a 4-fold absolute increase (P < .001) in left ventricular ejection fraction after endocardial catheter ablation, thoracoscopic or hybrid ablation of atrial fibrillation. Some studies show a relative risk reduction in mortality (max 47%; P = .01) following the ablation in patients with atrial fibrillation and baseline reduced left ventricular ejection fraction.
Conclusion: After atrial fibrillation ablation (regardless of the technique used and left ventricular dysfunction severity), patients with heart failure with reduced left ventricular ejection fraction show a statistically significant improvement in systolic function probably due to a decreased arrhythmia burden. Further research could determine the population of heart failure patients who would benefit most from atrial fibrillation ablation.

Received 20 April 2023. Revised 6 June 2023. Accepted 7 June 2023.

Funding: The study did not have sponsorship.

Conflict of interest: The authors declare no conflict of interest.

Contribution of the authors: The authors contributed equally to this article.

pdf (Русский)

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