Anticoagulant treatment of patients with atrial fibrillation in primary health care.

Objective: To determine the prevalence of anticoagulant (AC) treatment of patients with atrial fibrillation in primary health care. To identify complications in the same patients during 1 year.

Design: Cross-sectional study and 1-year follow-up.

Anticoagulant treatment in primary health care in Finland.

Objective: To establish the prevalence of anticoagulant (AC) treatment, the indications, and the quality of care in primary health care.

Design: A cross-sectional study, in which patients on AC treatment were identified from laboratory records. The main and second indications for AC treatment and the last value of the AC-test were taken from medical records.