Age and Ageing, Vol 28, 355-357, Copyright © 1999 by British Geriatrics Society
S Wensley, S Keir, S Caine and M Mac Mahon
OBJECTIVE: To study how many elderly inpatients with previously diagnosed
atrial fibrillation were not receiving anticoagulant prophylaxis, and the
prevalence of additional risk factors in these patients. METHODS: All new
admissions to a department of medicine for the elderly were screened for
atrial fibrillation. Additional risk factors were analysed in those with
established atrial fibrillation who were not receiving warfarin. Previous
hospital admissions, documentation of why prophylaxis was not being used
and use of aspirin as an alternative agent were also examined. RESULTS: 56
patients had previously diagnosed atrial fibrillation; 82% were not taking
warfarin and 71% of these were not on aspirin either. All patients not
taking warfarin had one additional risk factor for stroke and 95% had two
or more. Fifty-two percent had attended hospital when atrial fibrillation
was present within the previous 3 years and there was nothing documented in
their records to explain why anticoagulation had not been used.
CONCLUSIONS: Most elderly inpatients with established atrial fibrillation
were not taking warfarin. All had additional risk factors for stroke, which
increase the absolute benefit of anticoagulation.
ARTICLES
Additional risk factors in atrial fibrillation patients not receiving warfarin
Department of Medicine for the Elderly, Bristol Royal Infirmary, UK.
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