Authors
Lars Frost, Tanja Charlotte Frederiksen, Søren Paaske Johnsen, Emelia J Benjamin, Ole Dyg Pedersen, Ludovic Trinquart, Nicklas Vinter
Published in
Open heart. Volume 13. Issue 2. Aug 14, 2026. Epub Aug 14, 2026.
Abstract
Electrical cardioversion (ECV) is widely used for restoring sinus rhythm in atrial fibrillation (AF). However, population-level trends in use of ECV in individuals with AF remain poorly characterised.
We examined nationwide temporal trends in ECV utilisation between 2010 and 2022 in Denmark.
We conducted a registry-based cohort study using Danish nationwide health data. Two cohorts were defined: (1) individuals with prevalent or newly diagnosed AF were used to quantify annual ECV volume. (2) Individuals with newly diagnosed AF were used to calculate unadjusted and age-adjusted and sex-adjusted ECV rates per 1000 person-years during the first year after diagnosis.
The total number of ECVs per year increased almost fourfold between 2010 and 2022 (from 2204 to 8300). The 1-year age-adjusted and sex-adjusted rate of ECVs decreased from 449.5 per 1000 person-years in 2010 to 316.6 per 1000 person-years in 2021. Rates increased among individuals aged ≥75 years but declined among younger patients. When restricted to the first ECV procedure, analyses showed a twofold increase in first-time ECVs.
The increasing volume of ECVs reflects growing demand for rhythm control, while declining rates may suggest more targeted use of ECV. The findings highlight the need for resource planning and monitoring of procedural burden to support guideline implementation and equitable rhythm control delivery.
PMID:
42601168
Bibliographic data and abstract were imported from PubMed on 15 Aug 2026.
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