Application of Remote Ischemic Preconditioning in Patients Undergoing Open Heart Surgeries

Inclusion Criteria: * Patients older than 18 years * Scheduled for coronary artery bypass grafting with or without valve replacement associated * Use of blood cardioplegia * EuroSCORE II greater than or equal to 1.0% Exclusion Criteria: * History of cardiogenic shock * Complications in the admission * Pregnant patients * Severe peripheral arterial disease affecting the upper limbs * Liver failure (bilirubin ˃ 20 mmol / L, INR 2.0 ˃) * Significant pulmonary disease (˂ FEV1 40%) * Renal failure with glomerular filtration rate ˂ ml/min/1,73 m² * Concomitant treatment with glibenclamide or nicorandil (medications that interfere with cardioprotection induced by IPCR)