RESUMO
Objective To investigate the epidemiological status and the anticoagulation treatment of atrial fibrillation (AF) patients,and to provide evidence for improving anticoagulation therapeutic effect in AF patients.Methods We performed a cross-sectional epidemiological investigation of 1 000 patients and out-patients with AF in Huashan Hospital.The clinical data including clinical feature,coexistent diseases,auxiliary examination,and treatment regimen of these patients were collected.The clinical features and anticoagulation status of AF patients were analyzed based on the stroke history,stroke risk evaluation and CHA2DS2-VASc score stratification.Results The mean age of these AF patients was (72.1 ± 11.1) years old.The most common coexistent diseases were hypertension (65％),coronary heart disease (32％) and diabetes (27％).About 6％ of the AF patients were diagosed with non-valvularatrial fibrillation (NVAF),and 22％ had stroke history.Patients were divided into two groups according to their stroke history.Compared with the non-stroke group,the stroke group was found to be older,with longer course of AF and poorer hypertension control.The overall anticoagulation rate was 32 ％ and antiplatelet rate was 46 ％.The anticoagulation rate of stroke group was 44％,higher than the non-stroke group (P＜0.001) but 78％ of these patients began anticoagulation therapy after the occurrence of stroke.When CHA2 DS2-VASc scores of NVAF patients were 2 to 5,the anticoagulation proportion increased gradually.When the scores were 2 to 6,the antiplatelet ratio increased gradually.But when the scores were 7-8 points,both anticoagulation and antiplatelet rates were in decline.Conclusions The anticoagulation rate in AF patients was still low at present,while relatively higher in patients with stroke.Anticoagulation could prevent stroke,AF patients still could benefit from anticoagulation after stroke,but anticoagulation before stroke could get more benefits.