Clinical TrialObservational StudyHighlightedCombined Administration of Nitric Oxide and Hydrogen into Extracorporeal Circuit of Cardiopulmonary Bypass as a Method of Organ Protection during Cardiac SurgeryMHID-0894811PMID: 399679162023Sovremennye tehnologii v medicineV.V. Pichugin, A.V. Derugina, S.E. Domnin, A.S. Shirshin, S.A. Fedorov, S.N. Buranov, et al.The aim is to study the effect of combined introduction of nitric oxide and hydrogen into the extracorporeal circuit of cardiopulmonary bypass (CPB) for antioxidant activity and organ damage during cardiac surgery. Materials and Methods. The study included 91 patients who underwent heart surgery under CPB. The patients were randomized into 3 groups: group 1 comprised 30 patients (control); group