Habib Layoun

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About

Habib Layoun is a cardiovascular researcher whose work centers on valvular heart disease, with a particular focus on the tricuspid and mitral valves. His research addresses critical questions in cardiac surgery, especially regarding when to intervene on the tricuspid valve during mitral valve procedures. In his notable 2021 study, Layoun investigated tricuspid annular dimensions in patients with severe mitral regurgitation but without severe tricuspid regurgitation, providing essential data that supports guideline-directed concomitant tricuspid valve repair based on annular dilation rather than regurgitation severity alone. This work has accumulated 3 citations and contributes to the growing body of evidence refining surgical decision-making. Layoun’s research helps bridge the gap between imaging-based anatomical measurements and clinical outcomes, offering surgeons clearer thresholds for prophylactic tricuspid intervention. His findings are particularly relevant for improving long-term results in mitral valve surgery patients, potentially reducing the need for future reoperations. By quantifying normal and pathological tricuspid annular geometry, Layoun provides foundational knowledge that enhances preoperative planning and patient selection in complex valvular disease management.