Results: Majority of patients were female (81.3%), young (36.2 year old), average dyspnea and heart failure (NYHA II = 67%), average pulmonary hypertension (40 - 59 mmHg = 48%), severe mitral stenosis (77%), valvular characteristics feasible for PTMC (Wilkins score: 4 - 6 points = 77.9%), mild mitral regurgitation associated (67%) and still sinus rythms (83.25%).