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Updated: Jun 27, 2026
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A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
Published on: October 16, 2021
Evaluation of mitral stenosis in 2008
David Messika-Zeitoun1, Bernard Iung, Eric Brochet
1Cardiovascular Department, Bichat Hospital, AP-HP, 46, rue Henri-Huchard, 75018 Paris, France. david.messika-zeitoun@bch.ap-hop-paris.fr
Archives of Cardiovascular Diseases
|December 6, 2008
Summary
Percutaneous mitral valve commissurotomy (PMC) is ideal for mitral stenosis (MS) with favorable anatomy. Accurate assessment of mitral valve area (MVA) using echocardiography is crucial for determining PMC suitability and success.
Area of Science:
- Cardiology
- Echocardiography
- Interventional Cardiology
Background:
- Percutaneous mitral valve commissurotomy (PMC) is the primary treatment for mitral stenosis (MS) in select patients.
- Accurate assessment of MS severity and valve suitability for PMC is essential.
Purpose of the Study:
- To review the echocardiographic methods for evaluating mitral stenosis (MS) severity and valve suitability for percutaneous mitral valve commissurotomy (PMC).
- To discuss the role of various imaging modalities and patient factors in guiding PMC decisions.
Main Methods:
- Echocardiographic assessment of mitral valve area (MVA) using planimetry, pressure half-time (PHT), continuity equation, and PISA method.
- Evaluation of valve morphology (leaflet thickness, mobility, calcification, subvalvular involvement) via 2D-echocardiography.
- Transesophageal echocardiography for excluding left atrial thrombus and significant mitral regurgitation.
Main Results:
- Planimetry is the reference for MVA but requires experienced operators; 3D-echocardiography, MRI, and CT may reduce operator dependence.
- PHT is simple but should be used cautiously; PHT < 130 msec suggests good opening.
- Unfavorable valve anatomy correlates with lower PMC success, but decisions require a global approach considering patient characteristics.
Conclusions:
- Accurate echocardiographic evaluation of MS severity and valve anatomy is critical for successful PMC.
- A comprehensive approach integrating imaging data with patient factors (age, rhythm, comorbidities) optimizes PMC decision-making.
- While unfavorable anatomy can predict lower success, it should not solely preclude PMC when patient factors are favorable.
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