title: The authors reply.
authors.affiliation: Department of Cardiothoracic-Vascular Anesthesia and Intensive Care, IRCCS Policlinico San Donato, Milan, Italy Department of Cardiac Surgery, IRCCS Policlinico San Donato, Milan, Italy Department of Cardiothoracic-Vascular Anesthesia and Intensive Care, IRCCS Policlinico San Donato, Milan, Italy Department of Cardiac Surgery, IRCCS Policlinico San Donato, Milan, Italy.
authors.forename: Marco
authors.initials: M
authors.lastname: Ranucci
authors.forename: Serenella
authors.initials: S
authors.lastname: Castelvecchio
authors.forename: Andrea
authors.initials: A
authors.lastname: Biondi
authors.forename: Carlo
authors.initials: C
authors.lastname: De Vincentiis
authors.forename: Andrea
authors.initials: A
authors.lastname: Ballotta
authors.forename: Alessandro
authors.initials: A
authors.lastname: Varrica
authors.forename: Alessandro
authors.initials: A
authors.lastname: Frigiola
authors.forename: Lorenzo
authors.initials: L
authors.lastname: Menicanti
mesh_terms: D001026:Coronary Artery Bypass / Q000379:methods*; D005260:Female; D006801:Humans; D007423:Intra-Aortic Balloon Pumping / Q000379:methods*; D008297:Male; D018487:Ventricular Dysfunction, Left / Q000453:epidemiology*