HematocritBlood TransfusionErythrocyte TransfusionPlatelet TransfusionExchange Transfusion, Whole BloodBlood Transfusion, AutologousBlood Component TransfusionBlood Transfusion, IntrauterineFetofetal TransfusionHemodilutionAnemiaHemoglobinsBlood ViscosityBlood Loss, SurgicalErythropoietinErythrocyte CountBlood Grouping and CrossmatchingLeukocyte TransfusionAnemia, NeonatalBlood BanksBlood PreservationBlood DonorsPlasma VolumeBlood Group IncompatibilityPolycythemiaBlood VolumeBlood SubstitutesPostoperative HemorrhageErythroblastosis, FetalOperative Blood SalvageErythrocytesPlateletpheresisPlatelet CountErythrocyte VolumeIntraoperative CareIsoantibodiesRetrospective StudiesPhlebotomyAnemia, Sickle CellPlasma SubstitutesHemoglobinometryTranexamic AcidBloodlettingBlood Cell CountRh IsoimmunizationTime FactorsTreatment OutcomePlasmaHemorrhageThrombocytopeniaIronErythrocyte IndicesHematologic TestsAntifibrinolytic AgentsReticulocyte CountBlood SafetyHematinicsCardiopulmonary BypassFetomaternal TransfusionProspective StudiesHemostaticsErythrocyte AggregationInfant, NewbornJehovah's WitnessesLeukocyte Reduction ProceduresOxygenFetoscopybeta-ThalassemiaErythropoiesisBlood Chemical AnalysisHemostasis, SurgicalIsotonic SolutionsHydroxyethyl Starch DerivativesRisk FactorsPregnancyRenal DialysisThrombelastographyBlood Volume DeterminationPerioperative CareCardiac Surgical ProceduresBlood PressureErythrocyte DeformabilityPostoperative ComplicationsSplenectomyHemorheologyPreoperative CareBlood Specimen CollectionRecombinant ProteinsBlood PlateletsKidney Failure, ChronicHemolysisBlood Coagulation DisordersFerritinsBlood ProteinsAnemia, HypochromicSurgical Procedures, ElectiveIron OverloadAprotininSerum AlbuminErythrocyte Aging