Exercise gas exchange analysis in obstructive hypertrophic cardiomyopathy before and after myectomy (cardiopulmonary exercise test combined with exercise-

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Exercise gas exchange analysis in obstructive hypertrophic cardiomyopathy before and after myectomy (cardiopulmonary exercise test combined with exercise- echocardiography in HCM) F. Bandera, G. Generati, M. Pellegrino, F. Secchi, L. Menicanti, M. Guazzi International Journal of Cardiology Volume 178, Pages 282-283 (January 2015) DOI: 10.1016/j.ijcard.2014.11.104 Copyright © 2014 Elsevier Ireland Ltd Terms and Conditions

Fig. 1 A: Exercise echocardiography and changes in gradients from rest to peak exercise. B: cardiac magnetic resonance with morphological (top) and late-enhancement (bottom) images showing turbulent flow at left ventricular outflow tract, mitral regurgitation secondary to mitral leaflet anterior movement (harrow) and gadolinium deposit in hypertrophic regions. International Journal of Cardiology 2015 178, 282-283DOI: (10.1016/j.ijcard.2014.11.104) Copyright © 2014 Elsevier Ireland Ltd Terms and Conditions

Fig. 2 ΔVO2/ΔWork Rate and VE/VCO2 slopes before and 6-months after surgery: the ΔVO2/ΔWork Rate flattening disappeared after surgery as well as ventilatory efficiency significantly improved. International Journal of Cardiology 2015 178, 282-283DOI: (10.1016/j.ijcard.2014.11.104) Copyright © 2014 Elsevier Ireland Ltd Terms and Conditions