A population-based study of mortality among patients with atrial fibrillation or flutter
Author
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Vidaillet, Humberto
Author
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Granada, Juan F.
Author
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Chyou, Po Huang
Author
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Maassen, Karen
Author
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Ortiz, Mario
Author
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Pulido, Juan N.
Author
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Sharma, Param
Author
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Smith, Peter N.
Author
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Hayes, John
Admission date
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2019-01-29T17:51:49Z
Available date
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2019-01-29T17:51:49Z
Publication date
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2002
Cita de ítem
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American Journal of Medicine, Volumen 113, Issue 5, 2018, Pages 365-370
Identifier
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00029343
Identifier
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10.1016/S0002-9343(02)01253-6
Identifier
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https://repositorio.uchile.cl/handle/2250/163573
Abstract
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PURPOSE: To determine the mortality associated with atrial flutter and atrial fibrillation in the general population. SUBJECTS AND METHODS: Using the Marshfield Epidemiologic Study Area, a database that captures nearly all medical care and deaths among its 58,820 residents, we identified patients diagnosed with atrial flutter or atrial fibrillation from July 1, 1991, through June 30, 1995. Patients were followed prospectively and compared with a group of controls without these arrhythmias. RESULTS: A total of 4775 person-years of follow-up were completed in 577 patients and 577 controls. Compared with controls, mortality among patients with atrial fibrillation or flutter was nearly 7.8-fold higher at 6 months (95% confidence interval [CI]: 4.1 to 15) and 2.5-fold higher (95% CI: 2.0 to 3.1; P < 0.0001) at the last follow-up (mean [± SD] of 3.6 ± 2.3 years; range, 1 day to 7.3 years). At 6 months, mortality among patients with atrial flutter alone was somewhat greater than in controls a