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An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat
Published on: May 19, 2020
[The evolution of severe postvalvuloplasty mitral insufficiency]
A Osa1, L Almenar, A Rincón de Arellano
1Servicio de Cardiología, Hospital Universitario La Fe, Valencia. anaosa@servitel.es
Revista Espanola De Cardiologia
|February 16, 1999
Summary
Severe mitral regurgitation after percutaneous mitral valvuloplasty (PMV) can necessitate mitral valve replacement (MVR). A suboptimal PMV result, indicated by mitral valve area < 1.5 cm², independently predicted the need for MVR in patients who developed severe mitral regurgitation.
Area of Science:
- Cardiology
- Interventional Cardiology
- Cardiac Surgery
Background:
- Percutaneous mitral valvuloplasty (PMV) is a primary treatment for mitral stenosis with suitable anatomy.
- Mitral regurgitation remains a significant complication of PMV, even with the Inoue technique.
Purpose of the Study:
- To evaluate clinical and echocardiographic outcomes of patients experiencing severe mitral regurgitation post-PMV.
- To identify predictors for mitral valve replacement (MVR) in this patient cohort.
Main Methods:
- Retrospective analysis of 20 patients with severe mitral regurgitation after Inoue PMV.
- Follow-up duration averaged 28 months.
- Univariate and multivariate analyses were used to assess predictors of MVR.
Main Results:
- Ten of 20 patients required mitral valve replacement during follow-up.
- Suboptimal PMV result (mitral valve area < 1.5 cm²) was the sole independent predictor for MVR.
- No other pre-procedural or procedural variables predicted the need for MVR.
Conclusions:
- The need for mitral valve replacement in patients developing severe mitral regurgitation after PMV is linked to a suboptimal procedural outcome.
- Achieving an optimal mitral valve area during PMV is crucial for long-term success and avoiding MVR.
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