Why the study?
Does complete preservation of the mitral valve apparatus improve left ventricular function and geometry compared to partial preservation in patients with rheumatic mitral regurgitation and an enlarged left ventricular chamber undergoing MVR?
Population
128 patients with an enlarged left ventricular chamber suffering from severe rheumatic mitral regurgitation…
Comparison
Complete preservation of the anterior and… vs Excision of the anterior leaflet and subvalvular…
Design
Cohort
Follow-up
3 years
Authors
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May support complete preservation in rheumatic MR with enlarged LV; hypothesis-generating and requires randomized confirmation before practice change.
Does complete preservation of the mitral valve apparatus improve left ventricular function and geometry compared to partial preservation in patients with rheumatic mitral regurgitation and an enlarged left ventricular chamber undergoing MVR?
Complete preservation of the mitral valve apparatus during MVR in patients with rheumatic mitral regurgitation and enlarged left ventricles is feasible and provides superior preservation of left ventricular geometry and function compared to posterior leaflet preservation alone.
Chen et al. (2013) studied this question.
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