Interleukin-6, endothelial activation and thrombogenesis in chronic atrial fibrillation

被引:116
作者
Roldán, V
Marín, F
Blann, AD
García, A
Marco, P
Sogorb, F
Lip, GYH [1 ]
机构
[1] City Hosp, Univ Dept Med, Haemostasis Thrombosis & Vasc Biol Unit, Birmingham B18 7QH, W Midlands, England
[2] Hosp San Vicente, Hematol Unit, Alicante, Spain
[3] Gen Hosp, Dept Cardiol, Alicante, Spain
[4] Gen Hosp, Dept Haematol, Alicante, Spain
关键词
atrial fibrillation; hypercoagulable; inflammation;
D O I
10.1016/S0195-668X(03)00239-2
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Background A prothrombotic or hypercoagulable state has been described in AF, which could increase the risk of thromboembolism. As inflammation has been related to thrombogenesis and endothetial activation, we hypothesised that the prothrombotic state in AF (as assessed by an index of thrombogenesis, prothrombin fragment 1+2 [F1+2]) and endothelial activation (soluble E-selectin (sEsel)) could be related to an index of inflammation (interleukin-6 (IL-6)). Patients and methods We studied 191 consecutive patients (98 mate; mean age 72.3 +/- 9.2years) with chronic non-rheumatic AF who were not on anticoagulant therapy. Plasma IL-6, sEset and F1+2 were measured by ELISA. Research indices were compared to 74 controls in sinus rhythm matched for age and sex. In 43 patients with AF, the effects of introducing anticoagulation (INR 2.0-3.0) were also studied. Results Patients with AF had elevated levels of F1 +2 (p<0.001) and IL-6 (p=0.045), but not sEsel. There was no significant correlation between F1 +2 and IL-6. In multivariate analysis, only F1+2 levels were independently associated with the presence of AF (p=0.001). After oral anticoagulation, plasma levels of F1+2 and sEsel were significantly decreased (both p<0.01). Conclusion High levels of IL-6 in AF suggest an inflammatory state, which appears to be more related to clinical variables of the patients, rather than to the presence of AF per se. There was no association of inflammation with endothelial activation (sEset) or the presence of abnormal thrombogenesis (high F1+2 levels) in AF. Moreover, no changes in IL-6 levels were found despite the reduction of the other markers by oral anticoagulant therapy. (C) 2003 Published by Elsevier Ltd on behalf of The European Society of Cardiology.
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收藏
页码:1373 / 1380
页数:8
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