Blood TransfusionBlood Transfusion, AutologousErythrocyte TransfusionTransplantation, AutologousPlatelet TransfusionExchange Transfusion, Whole BloodBlood Loss, SurgicalBlood Component TransfusionBlood Transfusion, IntrauterineBlood BanksBlood DonorsBlood Grouping and CrossmatchingOperative Blood SalvageFetofetal TransfusionAnemiaPostoperative HemorrhageHemoglobinsTranexamic AcidTreatment OutcomeIntraoperative CareAntifibrinolytic AgentsJehovah's WitnessesBlood PreservationRetrospective StudiesBlood Group IncompatibilityTime FactorsLeukocyte TransfusionHemodilutionBlood SafetyAnemia, NeonatalProspective StudiesPlateletpheresisPerioperative CarePostoperative ComplicationsHematopoietic Stem Cell TransplantationBlood Substitutesbeta-ThalassemiaIsoantibodiesErythropoietinRisk FactorsBone Marrow TransplantationErythroblastosis, FetalHemostaticsAnemia, Sickle CellHemorrhageLeukocyte Reduction ProceduresPreoperative CareHemostasis, SurgicalRed CrossSurgical Procedures, ElectiveCombined Modality TherapySubcellular FractionsPostoperative CareCardiopulmonary BypassTransplantation, HomologousFetomaternal TransfusionPlatelet CountBlood-Borne PathogensFollow-Up StudiesHepatitis CAprotininPlasmaArthroplasty, Replacement, KneeCardiac Surgical ProceduresHematinicsRh IsoimmunizationLength of StayGastrointestinal HemorrhageThrombocytopeniaInfant, NewbornIron OverloadChelation TherapyPostpartum HemorrhageLymphoma, Non-HodgkinSurgical Procedures, OperativeErythrocytesThalassemiaHematocritStem Cell TransplantationHepatitis C AntibodiesBlood Coagulation DisordersChi-Square DistributionSurvival RateReticulocyte CountPregnancyPhlebotomyGraft SurvivalHepatectomySurvival AnalysisRisk AssessmentRecombinant ProteinsBlood Cell CountArthroplasty, Replacement, HipAntineoplastic Combined Chemotherapy ProtocolsMelphalanAminocaproic AcidHepatitis, Viral, HumanRecurrenceMultivariate AnalysisCreutzfeldt-Jakob Syndrome