Effect of Rehabilitation on Ejection Fraction (FE) in Cardiopathic and Non Cardiopathic Patients Undergoing Major Orthopedic Surgery

Inclusion Criteria: * Age: \< or equal 18 and \> or equal 85 years * major orthopedic surgery * rehabilitation at our site * a positive history for the cardiopathic group Exclusion Criteria: * Age: \> 85 and \< 18 * impossibility to participate to the rehabilitative protocol or come to the follow up visit * lack of consensus * previous acute cerebrovascular and / or cardiological events within 6 months prior to enrollment * previous myocardial (percutaneous and / or surgical) revascularization interventions within the 6 months prior to enrollment * previous (even in pediatric age) interventions of surgical correction of congenital heart disease * severe heart failure * reimplantation of prosthesis