The EU Hyprotect Registry

Inclusion Criteria: * Consenting adult patients (≥18 years) * Patient is scheduled for elective major non-cardiac surgery under general anesthesia that is expected to last at least 120 minutes and in whom blood pressure is monitored using an arterial catheter * Patients in whom the AcumenTM Hypotension Prediction Index software with the Acumen IQ sensor on the Hemosphere platform is used intraoperatively Exclusion Criteria: * Patients undergoing emergency surgery OR nephrectomy, liver and/or kidney transplantation * Patients suffering from atrial fibrillation and/or sepsis (according to current Sepsis-3 definition) * American Society of Anesthesiology (ASA) physical status classification V or VI * Disability and/or other circumstances under which the patient is not able to understand the nature, significance and scope of the investigation * Pregnancy at the time of surgery * Patients without signed informed consent / data protection statement * Patient participating in other interventional trials