3 Such studies are possible in central Wisconsin because nearly all residents choose to receive their medical care from Marshfield Clinic (with its 40 regional centers) and St.
MESA is a population-based cohort established in 1991 to support epidemiologic research within the context of integrated health care delivery. Marshfield Epidemiologic Study Area (MESA) Research into the mechanisms of atrial arrhythmogenesis may lead to improved preventive and therapeutic interventions. 47%, P = 0.01).Ĭonclusion: This study represents the first report to evaluate potential differences in the conditions associated with the development of AFL versus AF. Hypertension, on the other hand, was more common among individuals with AF (63% vs. Compared to those with AF, subjects with AFL were more likely to have had a history of chronic obstructive pulmonary disease (25% vs. Results: Among the 472 incident cases, 76 (16.1%) had AFL and 396 (83.9%) had AF. Using the resources of the Marshfield Epidemiologic Study Area, a population-based database, all newly diagnosed cases of either AFL or AF in the region during a 4-year period were identified. Study Design and Setting: We evaluated 11 pre-selected clinical variables including age, sex, smoking history and other potential cardiac risk factors. Objective: Determine and compare the prevalence of known risk factors for cardiovascular disease among unselected individuals presenting with their first ever episode of atrial flutter (AFL) and atrial fibrillation (AF).
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