The goal of this observational study is to learn about the clinical outcomes after percutaneous mitral balloon commissurotomy (PMBC) for patients with mitral stenosis (MS) using nation-wide multicenter prospective registry including tertiary-referral hospitals in Korea.
The main question it aims to answer is:
What is the clinical outcomes after PMBC? Which method is appropriate to determine inflated Inoue balloon size?
Patients with mitral stenosis undergoing PMBC
Patients who cannot understand this study due to mental illness
Serious comorbidity limiting life expectancy within 1 year
Limited activity (NYHA class III or IV) due to non-cardiac disease