1. Patient with hypertrophic cardiomyopathy (defined in accordance with the ESC guidelines for the diagnosis and management of cardiomyopathy and hypertrophy in 2014): thickness ≥ 15 mm of one or more segments of the left ventricular wall measured using any imaging technique [echocardiography, cardiac magnetic resonance or computed tomography] which can not be explained solely by the left ventricular loading conditions) without left ventricular outflow tract obstruction at rest: gradient <30 mmHg.