Hypercoagulability existing in the local left atrium of patient with mitral stenosis

Hypercoagulability existing in the local left atrium

of patient with mitral stenosis

王建安;谢鑫友;何红;黄金文;鲁端;杨倩

【期刊名称】《中华医学杂志（英文版）》 【年(卷),期】2003(116)008

【摘要】Objective To investigate the pathogenesis of thromboembolism in patients with mitral stenosis in a pre-thrombotic state.Methods The biochemical markers ' levels in plasma for platelet activity [soluble P-selectin (GMP-140)], states of thrombin generation [antithrombin Ⅲ (AT Ⅲ) and protein C (PC)], fibrinolysis [D-dimer (DD), plasminogen activator inhibitor 1 (PAI-1), tissue plasminogen activator (t-PA) and FDP] and von Willebrand factor (vWF) were determined from blood specimens obtained from the femoral veins and arteries and the right and left atria of 43 consecutive patients (20 with atrial fibrillation and 23 with sinus rhythm) with mitral stenosis (MS), undergoing percutaneous mitral valvuloplasty. The same parameters were compared with those of 15 control subjects, who had no detectable heart disease, but with paroxysmal supraventricular tachycardia undergoing radiofrequency catheter ablation of the left accessory pathway through a transseptal passage. Results Blood from the left atrium contained an excessive amount of platelet activity, thrombin generation and fibrinolysis compared with the blood from the right atrium, and the femoral veins

and arteries. However blood from the right atrium was much lower in these activities when compared with those from the left atrium, and the femoral veins and arteries in both groups. Compared with those in the control subjects, GMP-140 in the left atrium was significantly higher (P<0.05) and AT Ⅲ was significantly lower (P<0.05) in patients with MS. Compared with the patients with MS and spontaneous left atrial echocontrast (LASEC)≤1, the patients with MS and LASEC≥2 had significantly higher levels of GMP-140 in plasma (P<0.05), and significantly lower levels of AT Ⅲ (P<0.05) and PC (P<0.01) levels in the left atrium. However, there were no significant differences between patients with atrial fibrillation and those with sinus rhythm regarding amounts of plasma coagulation markers in the left atrium. Univariate regression analysis revealed that LASEC was negatively correlated with plasma levels of blood from the left atria in the patients with MS. Conclusion Coagulability is increased in the left atria of patients with MS and is positively correlated with LASEC. 【总页数】5页(1198-1202) 【

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mitral

valve

stenosis;atrial

function;echocardiography;coagulation 【作者】王建安;谢鑫友;何红;黄金文;鲁端;杨倩

【作者单位】Department of Cardiology, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou 310016, China ;Department of

Cardiology, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou 310016, China ;Department of Cardiology, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou 310016, China ;Department of Cardiology, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou 310016, China ;Department of Cardiology, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou 310016, China ;Department of Cardiology, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou 310016, China 【正文语种】中文 【中图分类】R54 【文献来源】

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