Abstract:
AIMS:To find the true prevalence of diagnosed and undiagnosed atrial fibrillation (AF) in a population aged 75 years in 2 municipalities in Norway, and to study the use of antithrombotic therapy in this group. METHODS:All 1,117 citizens in Asker and Baerum municipalities in eastern Norway born in 1930 were invited to participate in a prevalence study of AF. Nine hundred and sixteen subjects (82%) were examined by electrocardiogram, and blood pressure and pulse rate were measured. Comorbidity and current medication were recorded. RESULTS:AF was present in 92 subjects (10%; 95% CI 8.2-12.1%), including 33 with ECG-documented, paroxysmal AF. In addition, 8 subjects had a history of a single, transient episode of AF. AF was previously undiagnosed in 10 out of 916 (1.1%). In 77 of 82 patients with previously diagnosed AF (93.9%), antithrombotic therapy was compliant with international guidelines. CONCLUSION:Ten percent (95% CI 8.2-12.2%) in this 75-year-old population had AF. Compliance with international guidelines regarding antithrombotic therapy was high. Previously undiagnosed AF was found in only 10 out of 916 (1.1%).
journal_name
Cardiologyjournal_title
Cardiologyauthors
Tveit A,Abdelnoor M,Enger S,Smith Pdoi
10.1159/000107789subject
Has Abstractpub_date
2008-01-01 00:00:00pages
258-62issue
4eissn
0008-6312issn
1421-9751pii
000107789journal_volume
109pub_type
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