DOI: http://dx.doi.org/10.18203/2349-3933.ijam20202105

An analysis of percutaneous balloon mitral valvotomy: a tertiary care centre study

Prem Kumar Thota, Rajesh Dake

Abstract


Background: The prevalence of rheumatic heart disease (RHD) has markedly decreased in several countries but is still present in underdeveloped and developing countries, 33 million people around the world affected by RHD. Percutaneous balloon mitral valvotomy (PBMV) or valvotomy via femoral cut down using a balloon dilating catheter used in a small number of patients` as an alternative to surgical mitral commissurotomy.

Methods: A retrospective, observational study included 37 patients who were diagnosed to have severe mitral stenosis between October 2017 and October 2019 were included in the study. Primary endpoint was considered as in-hospital mortality and secondary endpoint was considered as 6 months clinical outcomes. All patients were evaluated clinically by the same investigator who performed PBMV.

Results: The mean age of the study population was 36.6±11.37 years. There was a female predominance 27 (72.97%) patients. Out of total patients; an optimal result was achieved in 33 (89.19%) patients, 1patient developed pericardial effusion and for 3 (8.1%) patients wire cannot be crossed. Although the mitral valve area calculated by cardiac catheterization increased significantly from immediately before 1.003±0.12cm2 to immediately after PBMV 1.73±0.23cm2 there was a no significant decrease in the mitral valve area at 6 months follow-up 1.66±0.22cm2 by Echocardiography.

Conclusions: PBMV is an effective treatment for acquired mitral stenosis, as demonstrated by the immediate hemodynamic results in 37 consecutive procedures. PBMV is effective therapy with good midterm results for selected patients with mitral stenosis.


Keywords


Echocardiography, Mitral valve area, Mitral stenosis, Percutaneous balloon mitral valvotomy, Rheumatic heart disease, Transseptal cardiac catheterization

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