Prediction of left atrial appendage thrombi in non-valvular atrial fibrillation

被引:108
作者
Habara, Seiji [1 ]
Dote, Keigo [1 ]
Kato, Masaya [1 ]
Sasaki, Shota [1 ]
Goto, Kenji [1 ]
Takemoto, Hiroaki [1 ]
Hasegawa, Daiji [1 ]
Matsuda, Osamu [1 ]
机构
[1] Hiroshima City Asa Hosp, Dept Cardiol, Hiroshima, Japan
关键词
atrial fibrillation; thrombus; heart failure; stroke;
D O I
10.1093/eurheartj/ehm356
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Aims There is little knowledge about the predictors of left atrial. appendage (LAA) thrombi in non-vaivular atrial fibrillation (NVAF). We investigated the ability Of D-dimer to predict LAA thrombi. Methods and results In this study, 925 patients with NVAF were enrolled. At the time of transoesophageal echocardiography (TEE), D-dimer levels were measured simultaneously. Significant independent predictors of LAA thrombi were the presence of congestive heart failure [odds ratio (OR) 3.10, 95% confidence interval (Cl) 1.77-5.50, P < 0.0001), a history of recent embolic events (OR 3.39, 95% Cl 1.90-6.04, P < 0.0001), and D-dimer levels (OR 97.6, 95% Cl 17.3-595.8, P < 0.0001). Receiver operating characteristic analysis yielded an optimal cutoff value of 1.15 mu g/mL for D-dimer to detect LAA thrombi. LAA thrombi were detected in 21.8% of patients with higher D-dimer values, whereas it was detected in only 3. 1% of patients with lower D-dimer values. D-dimer cutoff level of 1. 15 mu g/mL had a negative predictive value of 97% for identifying LAA thrombi. Conclusion In patients with NVAF, D-dimer may be helpful for predicting the absence of LAA thrombi. D-dimer level was clinically useful to guide the management of patients with NVAF, especially for those complicated with congestive heart failure and/or recent embolic events.
引用
收藏
页码:2217 / 2222
页数:6
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