Antiarrhythmic therapy and risk of death in patients with atrial fibrillation: a nationwide study
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Antiarrhythmic therapy and risk of death in patients with atrial fibrillation: a nationwide study. / Andersen, Søren Skøtt; Hansen, Morten Lock; Gislason, Gunnar H; Schramm, Tina Ken; Folke, Fredrik; Fosbøl, Emil; Abildstrøm, Steen Z; Madsen, Mette; Køber, Lars; Torp-Pedersen, Christian; Andersen, Søren Skøtt; Hansen, Morten Lock; Gislason, Gunnar H; Schramm, Tina Ken; Folke, Fredrik; Fosbøl, Emil; Abildstrøm, Steen Z; Madsen, Mette; Køber, Lars; Torp-Pedersen, Christian.
I: Europace, Bind 11, Nr. 7, 2009, s. 886-91.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Antiarrhythmic therapy and risk of death in patients with atrial fibrillation: a nationwide study
AU - Andersen, Søren Skøtt
AU - Hansen, Morten Lock
AU - Gislason, Gunnar H
AU - Schramm, Tina Ken
AU - Folke, Fredrik
AU - Fosbøl, Emil
AU - Abildstrøm, Steen Z
AU - Madsen, Mette
AU - Køber, Lars
AU - Torp-Pedersen, Christian
AU - Andersen, Søren Skøtt
AU - Hansen, Morten Lock
AU - Gislason, Gunnar H
AU - Schramm, Tina Ken
AU - Folke, Fredrik
AU - Fosbøl, Emil
AU - Abildstrøm, Steen Z
AU - Madsen, Mette
AU - Køber, Lars
AU - Torp-Pedersen, Christian
N1 - Keywords: Aged; Anti-Arrhythmia Agents; Atrial Fibrillation; Cohort Studies; Denmark; Female; Humans; Incidence; Male; Middle Aged; Proportional Hazards Models; Registries; Risk Assessment; Risk Factors; Survival Analysis; Survival Rate; Treatment Outcome
PY - 2009
Y1 - 2009
N2 - AIMS: To examine the risk of death associated with antiarrhythmic drug (AAD) therapy in a nationwide unselected cohort of patients with atrial fibrillation (AF). METHODS AND RESULTS: All patients admitted with AF in Denmark from 1995 to 2004 and their subsequent use of AADs were identified by individual-level linkage of nationwide registries. Multivariable Cox proportional-hazard models with time-dependent covariates were used to analyse the risk of death associated with AAD therapy. A total of 141,500 patients were included in the study; of these 3356 (2.4%) patients received treatment with flecainide, 3745 (2.6%) propafenone, 23,346 (16.5%) sotalol, and 10,376 (7.3%) amiodarone. Annualized mortality rates were 2.54, 4.25, 5.29, and 7.42 per year per 100 person years for flecainide, propafenone, sotalol, and amiodarone, respectively. Multivariable Cox proportional-hazard models did not show increased risk of death associated with any of the AADs. Hazard ratio (95% confidence interval) for flecainide 0.38 (0.32-0.44), propafenone 0.65 (0.58-0.71), sotalol 0.65 (0.63-0.67), and amiodarone 0.94 (0.89-1.00). CONCLUSION: In an unselected cohort of patients with AF, antiarrhythmic treatment with flecainide, propafenone, sotalol, or amiodarone was not associated with increased risk of death. From a safety perspective, this indicates appropriate selection of patients for AAD therapy.
AB - AIMS: To examine the risk of death associated with antiarrhythmic drug (AAD) therapy in a nationwide unselected cohort of patients with atrial fibrillation (AF). METHODS AND RESULTS: All patients admitted with AF in Denmark from 1995 to 2004 and their subsequent use of AADs were identified by individual-level linkage of nationwide registries. Multivariable Cox proportional-hazard models with time-dependent covariates were used to analyse the risk of death associated with AAD therapy. A total of 141,500 patients were included in the study; of these 3356 (2.4%) patients received treatment with flecainide, 3745 (2.6%) propafenone, 23,346 (16.5%) sotalol, and 10,376 (7.3%) amiodarone. Annualized mortality rates were 2.54, 4.25, 5.29, and 7.42 per year per 100 person years for flecainide, propafenone, sotalol, and amiodarone, respectively. Multivariable Cox proportional-hazard models did not show increased risk of death associated with any of the AADs. Hazard ratio (95% confidence interval) for flecainide 0.38 (0.32-0.44), propafenone 0.65 (0.58-0.71), sotalol 0.65 (0.63-0.67), and amiodarone 0.94 (0.89-1.00). CONCLUSION: In an unselected cohort of patients with AF, antiarrhythmic treatment with flecainide, propafenone, sotalol, or amiodarone was not associated with increased risk of death. From a safety perspective, this indicates appropriate selection of patients for AAD therapy.
U2 - 10.1093/europace/eup119
DO - 10.1093/europace/eup119
M3 - Journal article
C2 - 19443433
VL - 11
SP - 886
EP - 891
JO - Europace
JF - Europace
SN - 1099-5129
IS - 7
ER -
ID: 13207631