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Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia and its prevalence increases with aging of the population. It is reflected in the ECG recording by the replacement of regular P-waves by an undulating baseline and irregular ventricular complexes [2]. The uncoordinated atrial activity prevents effective atrial contraction, leading to clot formation. Atrial fibrillation contributes significantly to population morbidity and mortality, and presently available therapeutic approaches have major limitations, including limited efficacy and potentially serious side effects. It can be classified into one of the three following categories:
It is believed that in many cases the natural history of AF involves evolution from paroxysmal to persistent to permanent forms through the influence of atrial remodeling caused by the arrhythmia itself and/or progression of underlying heart disease. As many underlying conditions contribute to the development and progression of AF, the full and exact mechanisms standing behind this common arrhythmia are not completely or sufficiently understood.
Thromboembolism is by far the most important complication of AF, and the most common factor in stroke in the elderly. The determinants of Virchow triad, including stasis, endothelial damage, and coagulation properties, are centrally involved in AF- related thrombus formation.
Hence, thorough searching for new possible causes or contributing factors for the developing and progression of AF and its most threatening complication, thromboembolism, is mandatory
The aim of the study is to look for new possible causes of atrial fibrillation and its complications.
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This is an observational historical prospective study. All patients admitted to the Rambam health care campus between 1.1.2007 and 31.11.2011 with the primary diagnosis with Acute Atrial Fibrillation and were 18 years old or older at the time of diagnosis, will be included in this historical prospective study.
Patients' demographic data, medical history, permanent medications, laboratory studies, electrocardiographic and echocardiographic reports will be collected from the radiologic information system; a computed medical registry.
After collecting the data, statistical analysis will be performed aiming to discover possible causes or predictors for atrial fibrillation development and the occurrence of its adverse complications, especially thromboembolism.
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500 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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