Key result
Mitral valve replacement is linked to ~12-point higher rate of severe insufficiency vs valve repair.
Why the study?
Diagnostic data features influencing the choice of surgical tactics for mitral valve correction in ischemic mitral insufficiency were not well established.
Observational (n=140)
Absolute Event Rate: 85.5% vs 97.2%
p-value: p=0.03
In patients with ischemic mitral regurgitation, severe structural valve changes on echocardiography and a history of myocardial infarction are strongly associated with the need for mitral valve replacement rather than repair.
Severe mitral changes may guide prosthetic choice over plasticity; leaves open prospective validation of selection thresholds in ischemic regurgitation.
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Moroz et al. (2024) conducted an observational in Ischemic mitral regurgitation and coronary heart disease (n=140). Mitral valve plasticity (organ-preserving) vs. Mitral valve prosthetics was evaluated on Severe mitral valve insufficiency (p=0.03). Patients who required mitral valve prosthetics exhibited significantly more severe structural and anatomical changes, including a higher rate of severe mitral insufficiency (97.2% vs 85.5%), compared to those undergoing valve plasticity.
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