patients with planned minimally invasive or repeated cardiac surgery using standard methods of deaeration of cardiac cavities, supplemented with carbon dioxide insufflation during surgery + standard methods of deaeration of cardiac cavities

standard methods of deaeration of cardiac cavities: manual method, change in body position, through the cannula of the ascending aorta, through the drainage of the left ventricle

Carbon dioxide insufflation at a rate of 5 l / min. through the Redon drainage during cardiac surgery (minimally invasive or repeated) during cardiopulmonary bypass

positive test development of postoperative delirium: Richmond Agitation-Sedation Scale, Confusion Assessment Method-Intensive Care Unit (more than one error) - while in the intensive care unit; positive test the 3-Minute Diagnostic Interview for Confusion Assessment Method (CAM) defined delirium - while in the ward of the department: The CAM algorithm is considered positive if the following features are present: Feature 1) Acute onset or fluctuating course and Feature 2) Inattention and either Feature 3) Disorganized thinking or Feature 4) Altered level of consciousness.

deaeration time according to transesophageal echocardiography data

development of neurocognitive dysfunction: Montreal Cognitive Assessment - two days before surgery and 7 days after surgery