Surgical Management of Valvular Endocarditis

This study aims to achieve the following objectives * objective 1 : To review the Investigators' experience of surgical management of infective endocarditis (IE) and analyze the outcomes and associated prognostic factors * objective 2 : To provides information on early and late clinical outcomes of patients undergoing surgery for IE * objective 3 : To evaluate the impact of perioperative clinical variables and identification of perioperative prognostic factors * objective 4 : To determine the indications of surgical intervention and the best time of the surgery