Mohamed Ahmed Sabry and Said Shalaby Montaser
Introduction: Mitral Stenosis (MS) is characterized by a decrease in Mitral Valve (MV) orifice area leading to compromised left ventricular filling. The consequence is stagnation of blood proximal to the MV that results in elevated left atrial, pulmonary venous, and pulmonary artery pressure. Aim of the work: Trace the complication of mitral regurgitation during the procedure percutaneous Balloon Mitral Valvuloplasty (PMV) by using multitrack balloon. Subjects and methods: This interventional non-randomized cohort study was conducted on 121 patients who presented with moderate to severe MS and subjected to PMV using multitrack balloon technique and were divided into 2 groups, according to resultant mitral regurgitation: Group A: included patients with no or mild mitral regurgitation and Group B: included patients with severe mitral regurgitation. Results: Multivariate regression identified MV balloon sizing (OR 3.877, CI 95% 1.131-13.289, P value 0.031), MV commissural asymmetry (OR 67.48, CI 95% 5.759-790.72, P value 0.001). Conclusion: Mitral valve calcification, balloon sizing and MV asymmetry are significant factors that can predict the development of severe MR after balloon valvuloplasty.
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