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Age-Specific Incidence, Outcome, Cost, and Projected Future Burden of Atrial Fibrillation–Related Embolic Vascular Events: A Population-Based Study

Circulation (New York, N.Y.), 2014-10, Vol.130 (15), p.1236-1244 [Peer Reviewed Journal]

2014 by the American College of Cardiology Foundation and the American Heart Association, Inc. ;2014 American Heart Association, Inc. ;ISSN: 0009-7322 ;EISSN: 1524-4539 ;DOI: 10.1161/CIRCULATIONAHA.114.010942 ;PMID: 25208551

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Title:
Age-Specific Incidence, Outcome, Cost, and Projected Future Burden of Atrial Fibrillation–Related Embolic Vascular Events: A Population-Based Study
Author: Yiin, Gabriel S.C ; Howard, Dominic P.J ; Paul, Nicola L.M ; Li, Linxin ; Luengo-Fernandez, Ramon ; Bull, Linda M ; Welch, Sarah J.V ; Gutnikov, Sergei A ; Mehta, Ziyah ; Rothwell, Peter M
Subjects: Age Factors ; Aged ; Aged, 80 and over ; Anticoagulants - therapeutic use ; Atrial Fibrillation - complications ; Cost of Illness ; Embolism - economics ; Embolism - epidemiology ; Embolism - prevention & control ; Female ; Forecasting ; Health Care Costs - trends ; Humans ; Incidence ; Male ; Middle Aged ; Prevalence ; Prognosis ; Retrospective Studies ; Sex Factors ; Stroke - economics ; Stroke - epidemiology ; Stroke - prevention & control ; United Kingdom
Is Part Of: Circulation (New York, N.Y.), 2014-10, Vol.130 (15), p.1236-1244
Description: BACKGROUND—Prevalence of atrial fibrillation (AF) is >10% at age ≥80 years, but the impact of population aging on rates of AF-related ischemic events is uncertain. METHODS AND RESULTS—We studied age-specific incidence, outcome, and cost of all AF-related incident strokes and systemic emboli from 2002 to 2012 in the Oxford Vascular Study (OXVASC). We determined time trends in incidence of AF-related stroke in comparison with a sister study in 1981 to 1986, extrapolated numbers to the UK population and projected future numbers. Of 3096 acute cerebral or peripheral vascular events in the 92 728 study population, 383 incident ischemic strokes and 71 systemic emboli were related to AF, of which 272 (59.9%) occurred at ≥80 years. Of 597 fatal or disabling incident ischemic strokes, 262 (43.9%) were AF-related. Numbers of AF-related ischemic strokes at age ≥80 years increased nearly 3-fold from 1981–1986 to 2002–2012 (extrapolated to the United Kingdom6621 to 18 176 per year), due partly to increased age-specific incidence (relative rate 1.52, 95% confidence interval 1.31-1.77, P=0.001), with potentially preventable AF-related events at age ≥80 years costing the United Kingdom £374 million per year. At current incidence rates, numbers of AF-related embolic events at age ≥80 years will treble again by 2050 (72 974/year), with 83.5% of all events occurring in this age group. CONCLUSIONS—Numbers of AF-related incident ischemic strokes at age ≥80 years have trebled over the last 25 years, despite the introduction of anticoagulants, and are projected to treble again by 2050, along with the numbers of systemic emboli. Improved prevention in older people with AF should be a major public health priority.
Publisher: United States: by the American College of Cardiology Foundation and the American Heart Association, Inc
Language: English
Identifier: ISSN: 0009-7322
EISSN: 1524-4539
DOI: 10.1161/CIRCULATIONAHA.114.010942
PMID: 25208551
Source: GFMER Free Medical Journals
MEDLINE

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Age-Specific Incidence, Outcome, Cost, and Projected Future Burden of Atrial Fibrillation–Related Embolic Vascular Events: A Population-Based Study

2014 by the American College of Cardiology Foundation and the American Heart Association, Inc. ;2014 American Heart Association, Inc. ;ISSN: 0009-7322 ;EISSN: 1524-4539 ;DOI: 10.1161/CIRCULATIONAHA.114.010942 ;PMID: 25208551

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