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. 1991 Jul;66(1):22–25. doi: 10.1136/hrt.66.1.22

Intracardiac mobile thrombus and D-dimer fragment of fibrin in patients with mitral stenosis.

M Yasaka 1, K Miyatake 1, M Mitani 1, S Beppu 1, S Nagata 1, T Yamaguchi 1, T Omae 1
PMCID: PMC1024560  PMID: 1854571

Abstract

OBJECTIVE--To investigate the relation between intracardiac thrombus and blood coagulability in patients with mitral stenosis. DESIGN--Prospective study. Cross sectional echocardiography and plasma concentrations of the D-dimer fragment of fibrin were used concurrently to detect intracardiac thrombus in patients with mitral stenosis. SETTING--Department of Medicine, National Cardiovascular Centre, Osaka, Japan. PATIENTS--63 patients with mitral stenosis. None of them had been receiving any anticoagulants or antiplatelet agents. MAIN OUTCOME MEASURES--Plasma concentrations of D-dimer in patients with a mobile intracardiac thrombus, those in patients with a non-mobile intracardiac thrombus, and those in patients without an intracardiac thrombus. RESULTS--A mobile intracardiac thrombus was found in 10 patients and a non-mobile thrombus in eight. The remaining 45 patients had no intracardiac thrombi. Plasma concentrations of D-dimer in the 10 patients with a mobile thrombus were all greater than 300 ng/ml (mean 983.3, 95% confidence interval 498.9 to 1467.7 ng/ml) and they were significantly higher than those in the patients with a non-mobile thrombus (226.2, 33.6 to 418.8 ng/ml) and the patients without an intracardiac thrombus (147.2, 110.4 to 184 ng/ml). CONCLUSIONS--A high plasma concentration of D-dimer seemed to reflect a hypercoagulable intracardiac state and may be a helpful indicator of the possible presence of mobile intracardiac thrombus in patients with mitral stenosis.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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