Global circumferential left ventricular strain impairment in hypertrophic cardiomyopathy: comparison to left ventricular hypertrophy and late gadolinium enhancement by Macron Laurent, Redheuil Alban, Ashrafpoor Golmehr, Kachenoura Nadjia, Bollache Emilie, Hagège Albert A, Desnos Michel, Croisille Pierre, Clarysse Patrick, Mousseaux Elie