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The Korean Journal of Critical Care Medicine ; : 6-12, 2011.
Artículo en Inglés | WPRIM | ID: wpr-644954

RESUMEN

BACKGROUND: Atrial fibrillation (AF) has been linked to an increased risk for in-hospital and long-term mortality rates in patients with acute myocardial infarction (AMI). Obesity and metabolic syndrome (MS) are known to play an important role in cardiovascular morbidity and mortality. However, it is uncertain whether obesity and MS increase the risk of AF in patients with AMI. Therefore, we investigated independent risk factors for the occurrence of new-onset AF in patients with AMI who received optimal percutaneous coronary intervention (PCI). METHODS: We prospectively analyzed the association between MS and the incidence of cardiac arrhythmia in 146 patients with AMI who underwent PCI. Twenty-four-hour Holter monitoring was performed 3 days after AMI. We divided the patients into two different groups based on the development of AF and analysed their obesity based on body mass index (BMI) (kg/m2) and evaluated the existence of MS, as well as visceral obesity with fat computed tomography. RESULTS: Seventy-five patients (51.4%) were obese (BMI > or = 25) and 64 (44%) had MS. AF occurred in 33 (22.6%) patients. Age, MS, and visceral obesity were significantly associated with AF (p = 0.001, p = 0.003, and p = 0.03, respectively). There was no difference between obese and non-obese patients in the incidence of AF and VT. Multivariate analysis revealed that age and MS were independent risk factors of post-AMI AF. CONCLUSIONS: MS is an important and modifiable risk factor for new-onset AF especially in patients with AMI who underwent PCI.


Asunto(s)
Humanos , Arritmias Cardíacas , Fibrilación Atrial , Índice de Masa Corporal , Electrocardiografía Ambulatoria , Incidencia , Análisis Multivariante , Infarto del Miocardio , Obesidad , Obesidad Abdominal , Intervención Coronaria Percutánea , Estudios Prospectivos , Factores de Riesgo
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