Correlative analysis of CHA2DS2-VASc score and left atrial appendage function in patients with nonvalvular atrial fibrillation
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关键词:
- 心房颤动 /
- CHA2DS2-VASc评分 /
- 非瓣膜 /
- 左心耳
Abstract: In this study, we discussed the correlation of CHA2DS2-VASc score and left atrial appendage function in patients with non-valvular atrial fibrillation(AF). From March 2013 to April 2015, 150 patients were hospitalized and diagnosed as AF by dynamic electrocardiogram, of which 95 were persistent AF and 55 were non-persistent AF. CHA2DS2-VASc score was obtained according to their general data and medical history. And TEE was used to assess the diameter of the systolic LAA orifice and left atrial appendage peak emptying flow velocity during diastolic phase. Values were compared and analyzed by statistical software. The 6 out of 150 or 4% patients obtained a high CHA2DS2-VASc score (>6 points), and 68 patients (45.3%) scored low (≤ 3points); there were 76 patients who scored 4 to 6 points, accounting for 50.7%. Compared with non-persistent AF patients, The CHA2DS2-VASc score of the patients with persistent AF was significantly higher, and their systolic LAA orifice was markedly larger with a remarkably reduced left atrial appendage peak emptying flow velocity during diastolic phase. Further, left atrial appendage thrombosis occurred in 8 persistent AF and 3 non-persistent AF patients; Spontaneous echocardiographic contrast was observed in 12 persistent AF patients and 8 non-persistent patients.-
Key words:
- atrial fibrillation /
- CHA2DS2-VASc score /
- non-valvular /
- left atrial appendage
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