Resolution of left atrial spontaneous echocardiographic contrast after percutaneous mitral valvuloplasty: Implications for thromboembolic risk
| Autor: | Warren F. Walsh, Dominic Y. Leung, Gregory B. Cranney, Ian W. Black, Andrew P. Hopkins, R.Michael McCredie |
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| Rok vydání: | 1995 |
| Předmět: |
Adult
Male medicine.medical_specialty Percutaneous Catheterization Risk Factors Thromboembolism Internal medicine Mitral valve medicine Humans Mitral Valve Stenosis Heart Atria Prospective Studies Prospective cohort study Aged Mitral regurgitation Vascular disease business.industry Rheumatic Heart Disease Atrial fibrillation Middle Aged Prognosis medicine.disease Stenosis medicine.anatomical_structure Echocardiography Cardiology Mitral Valve Female Cardiology and Cardiovascular Medicine Complication business Echocardiography Transesophageal |
| Zdroj: | American Heart Journal. 129:65-70 |
| ISSN: | 0002-8703 |
| DOI: | 10.1016/0002-8703(95)90044-6 |
| Popis: | Left atrial spontaneous echocardiographic contrast (SEC) is an important marker of increased thromboembolic risk in patients with mitral stenosis. To evaluate the effect of percutaneous transseptal mitral valvuloplasty (PTMV) on SEC, we performed transesophageal echocardiography 1 day before and 3 months after PTMV on 88 consecutive patients. SEC was present in 65 (74%) patients before PTMV and was associated with absence of moderate or severe mitral regurgitation (p = 0.01), a smaller valve area (p = 0.02), an older age (p = 0.04), and atrial fibrillation (p = 0.05). At 3 months, PTMV resulted in a mean absolute and relative increase in valve area of 0.54 +/- 0.36 cm2 and 53% +/- 43%, respectively. SEC resolved in 37 patients but persisted in 28 (32%) patients at the 3-month study. The absolute and relative increase of valve area and worsened mitral regurgitation after PTMV were predictors of resolution of SEC, with the relative increase in valve area being the only significant predictor on multivariate analysis. PTMV frequently results in resolution of SEC, which may have important implications in reducing the thromboembolic risk in these patients. |
| Databáze: | OpenAIRE |
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