Dexamethasone, Olanzapine, Hemodynamics, and Ventilation in Cardiac Surgery

Inclusion Criteria: 1. Adult, i.e., above 18 years of age 2. Scheduled for CABG and/or AVR, irrespective of other concomitant valve surgery. Exclusion Criteria: 1. Acute surgery (i.e. off hours surgery) 2. Pregnancy or currently breastfeeding. Pregnancy in all fertile women will be ruled out by pregnancy testing prior to randomization. 3. Known endocarditis at time of screening 4. Previous participation in the trial 5. Active infection, including bacterial, viral, and/or fungal infection 6. Known hepatic cirrhosis 7. Known severe thrombocytopenia with thrombocyte levels \< 50 x 109/L 8. Known severe neutropenia with neutrocyte levels \< 2 x 109/L 9. On the waiting list for a heart transplant 10. Recipient of any major organ transplant 11. Obstructive hypertrophic cardiomyopathy, active myocarditis, constrictive pericarditis, untreated hypothyroidism or hyperthyroidism 12. Having received cytotoxic/cytostatic chemotherapy or radiation therapy for treatment of malignancy within the last 6 months. 13. Clinical evidence of current malignancy except for basal or localized squamous cell carcinoma, cervical intraepithelial neoplasia or stable prostate cancer. 14. Known narrow-angle glaucoma 15. Known phenylketonuria 16. Type I diabetes 17. Known long QT syndrome 18. Known allergy for any of the included study drugs 19. Any condition, where participation in the study, in the investigator's opinion could put the subject at risk, confound the study results or interfere significantly with participation in the study Patients with extracardiac arteriopathy (assessed as part of the pre-operative EuroSCORE) will be excluded from the intervention 'flow-targeted vs. pressure-targeted hemodynamic management during CPB'.