Colegio Argentino de Cardioangiólogos Intervencionistas Revista Argentina de Cardioangiología intervencionista 2250-7531 2313-9307 12 4 2021 11 01 The evolution of auto-expandable Portico valve 0211 0212 ES Augusto Pichard Director Emeritus Cath Labs at Washington Hospital Center, DC. Former Medical Director Abbott Structural Heart Professor of Medicine, Georgetown University, Washington DC revista@caci.org.ar http://www.raci.com.ar/contenido/art.php?recordID=MjA1Ng== http://recursos.meducatium.com.ar/contenido/articulos/27302110212_2056/pdf/27302110212.pdf