Key result
Three-dimensional transthoracic echocardiography successfully diagnosed a rare case of posterior papillary muscle avulsion following balloon mitral valvotomy.
Why the study?
Papillary muscle avulsion is a rare but serious complication of balloon mitral valvotomy for rheumatic mitral stenosis.
Case Report (n=1)
No
Three-dimensional echocardiography provides detailed anatomical visualization to accurately diagnose rare complications like papillary muscle avulsion following balloon mitral valvotomy.
Alerts clinicians to rare papillary muscle avulsion post-BMV; leaves open the diagnostic role of 3D echocardiography in valvular complications.
BACKGROUND: Percutaneous balloon mitral valvotomy is a common therapeutic approach for rheumatic mitral stenosis. Avulsion of the papillary muscle is a rare but serious complication of balloon mitral valvotomy. The papillary muscles are derived from the trabecular layer of the developing ventricular walls. When subjected to a force, avulsion of papillary muscle from the trabecular layer may occur. CASE PRESENTATION: In this case report, we describe a patient with rheumatic mitral stenosis, who experienced avulsion of the mitral papillary muscle from the left ventricular wall after undergoing balloon mitral valvotomy. Papillary muscle alvusion resulted in severe mitral regurgitation, which was finally treated by mitral valve replacement. CONCLUSION: We successfully diagnosed avulsion of the papillary muscle following balloon mitral valvotomy. Three-dimensional transthoracic echocardiography provides more information on mitral apparatus structure than two-dimensional transthoracic echocardiography.
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Bai et al. (2022) conducted a case report in Rheumatic mitral stenosis (n=1). Balloon mitral valvotomy was evaluated on Papillary muscle avulsion. Three-dimensional transthoracic echocardiography successfully diagnosed a rare case of posterior papillary muscle avulsion following balloon mitral valvotomy.
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