Stempfel, Samuel; Aeschbacher, Stefanie; Blum, Steffen; Meyre, Pascal; Gugganig, Rebecca; Beer, Jürg H; Kobza, Richard; Kühne, Michael; Moschovitis, Giorgio; Menghini, Gianluca; Novak, Jan; Osswald, Stefan; Rodondi, Nicolas; Moutzouri, Elisavet; Schwenkglenks, Matthias; Witassek, Fabienne; Conen, David; Sticherling, Christian (2020). Symptoms and quality of life in patients with coexistent atrial fibrillation and atrial flutter. International Journal of Cardiology. Heart & Vasculature, 29, p. 100556. Elsevier 10.1016/j.ijcha.2020.100556
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Aims
Atrial fibrillation (AF) and atrial flutter (AFL) are two of the most common atrial arrhythmias and often coexist. Many patients with AF or AFL are symptomatic, which impacts their quality of life (QoL). The purpose of this study was to determine whether coexistent AFL represents an added burden for AF patients.
Methods
We combined baseline data from two large prospective, observational, multicenter cohort studies (BEAT-AF and Swiss-AF). All 3931 patients included in this analysis had documented AF. We obtained information on comorbidities, medication, and lifestyle factors. All participants had a clinical examination and a resting ECG. Symptom burden and QoL at the baseline examination were compared between patients with and without coexistent AFL using multivariable adjusted regression models.
Results
Overall, 809 (20.6%) patients had a history of AFL. Patients with coexistent AFL more often had history of heart failure (28% vs 23%, p = 0.01), coronary artery disease (30% vs 26%, p = 0.007), failed therapy with antiarrhythmic drugs (44% vs 29%, p < 0.001), and more often underwent AF-related interventions (36% vs 17%, p < 0.001). They were more often symptomatic (70% vs 66%, p = 0.04) and effort intolerant (OR: 1.14; 95% CI: 1.01-1.28; p = 0.04). Documented AFL on the baseline ECG was associated with more symptoms (OR: 2.30; 95% CI: 1.26-4.20; p = 0.007).
Conclusion
Our data indicates that patients with coexistent AF and AFL are more often symptomatic and report poorer quality of life compared to patients suffering from AF only.
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