Investigation of the Optimum PEEP Mechanical Power Relationship

Inclusion Criteria: * within the appropriate age range * agreeing to participate in the study * again receiving lancetesthesia * volume controlled ventilation * no known lung disease * no known coronary artery disease * ASA class 1-2 patients Exclusion Criteria: * . Patients who do not want to be included in the study will not be included * Patients with intraoperative deep hypotension (mean arterial pressure \<50) will be excluded. * Those who develop intraoperative hypothermia or have other anesthesia complications will be excluded. * Patients who will not be extubated postoperatively will be excluded from the study. * Those with neurological diseases or those using psychiatric medications will also be excluded from the study.