Mitral Leaflet Separation Index in Assessing the Severity of Mitral Stenosis
Open Access
- 19 May 2011
- journal article
- Published by Hindawi Limited in ISRN Cardiology
- Vol. 2011, 1-4
- https://doi.org/10.5402/2011/768097
Abstract
Determining the severity of mitral stenosis (MS) is important for both prognostic and therapeutic reasons. The mitral valve area (MVA) can be measured by planimetry, pressure half-time, continuity equation, and proximal isovelocity surface area methods. In this study, we propose a novel yet simple, independent measure of MS severity–the mitral leaflet separation (MLS) index. This new index could be a useful surrogate measure of the MVA. This index would also help when there is a discrepancy between severities of MS estimated by existing methods, in the presence of atrial fibrillation and in the presence of mitral regurgitation.Keywords
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