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Archivos de cardiología de México
versión On-line ISSN 1665-1731versión impresa ISSN 1405-9940
Resumen
FERNANDEZ, Germán et al. Prevalence of atrial fibrillation and predictors of its occurrence in patients with dual-chamber pacemakers. Arch. Cardiol. Méx. [online]. 2016, vol.86, n.3, pp.214-220. ISSN 1665-1731. https://doi.org/10.1016/j.acmx.2016.04.008.
Objectives
To assess the prevalence of atrial fibrillation (AF) in patients with dual-chamber pacemakers (DP), determine the variables associated with development of AF and evaluate the changes in AF's management by physicians.
Methods
Five hundred patients with DP were prospectively included and interrogated. When AF was detected physicians in charge of the patient were warned. Changes in AF's management were evaluated.
Results
Mean age of the study population was 77 years, with 51% of men. AF was detected in 13.2% of patients. These findings led treatment changes in 64.7%. The variables analyzed by logistic regression model which were associated with the occurrence of AF were: arterial hypertension (OR = 2.62; CI 95% 1.01-6.8; P < .048), history of AF (OR = 4.30; CI 95% 2.26-8.32; P < .001), sick sinus syndrome as cause of device implantation (OR = 2.09; CI 95% 1.09-3.97; P < .025) and burden of supraventricular extrasystoles series(OR = 1.000033 per serie; CI 95% 0.000011-0.000055; P < .003.).
Conclusion
We have detected a high prevalence of AF in patients with DP. The diagnose of AF led to change in treatment. Four clinical variables increase the likelihood of developing this arrhythmia.
Palabras llave : Dual-chamber pacemakers; Argentina; Atrial fibrillation; Supraventricular extrasystoles.
