COMMISURAL FUSION AS ETIOLOGY OF SEVERE EARLY STENOSIS OF BIOPROSTHETIC MITRAL VALVE IN A WOMAN WITH RHEUMATIC HEART DISEASE

Early (<5 years) structural valve degeneration (SVD) causing stenosis is rare and is caused by leaflet fibrosis and/or calcification. We report a unique case of severe early SVD due to commissural fusion in a bioprosthetic valve in a woman with rheumatic mitral valve stenosis (RMS). A 59 year-old