| Summary: | An observational and descriptive study that included 46 patients treated with mitral percutaneous balloon valvuloplasty, was carried out in "Saturnino Lora Torres" Provincial Hospital in Santiago de Cuba, from July, 2008 to December, 2015, in order to evaluate the immediate result of the procedure that was used. Clinical epidemiological, echocardiographic and hemodynamic variables were analyzed. There was a prevalence of the young patients aged 15-44 (63.0%), women with history of rheumatic fever (87.0%), the class III, according to the functional classification of heart failure (76.1%) and the sinus rhythm (84.8%). A 100.0% increase from the upper valvular area and an approximately 50.0% reduction of the atrial pressure were achieved. The treatment was satisfactory in 93.5% of the affected patients. There was a significant association between the patients with an 8 or less Wilkins scale and the female sex, with a favorable result of the procedure.
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