In this retrospective cohort study, out of 220 patients who had undergone successful PTMC between 2006 and 2018, the clinical course of 186 patients could be successfully followed. Peri-procedural clinical and echocardiographic data were collected for these patients. Cardiac-related death, undergoing a second PTMC or mitral valve replacement (MVR) were considered adverse cardiac events in follow-up for the purpose of this study. Patients with no history of these events were contacted and asked to undergo echocardiographic imaging, in order to assess the prevalence of mitral valve restenosis, defined as mitral valve area (MVA) \< 1.5 cm2 and loss of ≥50% of initial area gain
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mitral stenosis
Timeframe: 5.6 years