Cardiopulmonary BypassHypothermia, InducedCirculatory Arrest, Deep Hypothermia InducedHeart Arrest, InducedJugular VeinsFentanylPartial PressureCerebrovascular CirculationRewarmingCardiopulmonary ResuscitationCardiac Surgical ProceduresHypothermiaMonitoring, IntraoperativePostoperative ComplicationsHeart Defects, CongenitalExtracorporeal CirculationTreatment OutcomeAortic Aneurysm, ThoracicTime FactorsBody TemperatureHeart ArrestCoronary Artery BypassOxygenatorsAorta, ThoracicAneurysm, DissectingEndarterectomyBlood Gas AnalysisAortic AneurysmSwineHypoxia, BrainBlood Gas Monitoring, TranscutaneousCoronary Artery Bypass, Off-PumpPostoperative PeriodOxygenBlood Vessel Prosthesis ImplantationPerfusionGastric BypassIntraoperative CareSternotomyCardioplegic SolutionsRetrospective StudiesIntraoperative PeriodSpectroscopy, Near-InfraredBrainHemodynamicsAprotininHeparin AntagonistsProspective StudiesIntraoperative ComplicationsPostoperative HemorrhageCardiovascular Surgical Procedures