The investigators designed a study to assess whether there is any change in gut microbiota and postoperative sleep before and after heart valve surgery with cardiopulmonary bypass. Firstly, this study aims to characterize the gut microbiota in patients with valve disease treated with surgery. Secondly, it aims to evaluate microbiota and its influence on postoperative sleep.
The investigators designed a study to assess whether there is any change in gut microbiota and postoperative sleep before and after heart valve surgery with cardiopulmonary bypass.