Improvement in atrial fibrillation-related symptoms after cardioversion: Role of nyha functional class and maintenance of sinus rhythm

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Abstract

Background: The European Heart Rhythm Association (EHRA) score is a proven and validated tool for assessing the symptoms of atrial fibrillation (AF). Little is known about the variables related to this score and how it changes after cardioversion. Methods: We analyzed 744 patients undergoing elective cardioversion in whom AF-related symptoms were assessed at baseline and after 6 months of follow-up using the EHRA score. We assessed the association between the EHRA score and other clinical and echocardio-graphic variables at baseline and after 6 months of follow-up. Results: At 6 months of follow-up, we observed a reduction in the EHRA score in 50% and worsening in 2.8% of patients who remained in sinus rhythm (SR) compared with 34.6% and 11.3%, respectively, of patients with AF episodes (p<0.0001). Patients who maintained SR at 6 months were less symptomatic than those with AF (EHRA score 1.13 ± 0.35 vs 1.42 ± 0.59; p<0.0001). The independent predictors for reduction in the EHRA score after cardio-version were NYHA ≥II at baseline and maintenance of SR (p<0.0001). Conclusion: The greatest improvement in AF-related symptoms was in patients who remained in SR at 6 months after cardioversion and in patients with worse NYHA functional class at baseline.

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Ferre-Vallverdu, M., Ligero, C., Vidal-Perez, R., Martinez-Rubio, A., Vinolas, X., & Alegret, J. M. (2021). Improvement in atrial fibrillation-related symptoms after cardioversion: Role of nyha functional class and maintenance of sinus rhythm. Clinical Interventions in Aging, 16, 739–745. https://doi.org/10.2147/CIA.S305619

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