Blood TransfusionPlatelet CountBlood PlateletsBlood Transfusion, AutologousErythrocyte TransfusionPlatelet TransfusionPlatelet AggregationThrombocytopeniaExchange Transfusion, Whole BloodBlood Component TransfusionPlatelet AdhesivenessBlood Loss, SurgicalBlood Transfusion, IntrauterinePlatelet Membrane GlycoproteinsBlood Cell CountThrombocytosisBlood DonorsBlood BanksBlood Grouping and CrossmatchingPlatelet Factor 4Leukocyte CountPurpura, Thrombocytopenic, IdiopathicPlatelet Function TestsOperative Blood SalvageHemoglobinsAnemiaFetofetal TransfusionBlood PreservationPostoperative HemorrhageRetrospective StudiesMegakaryocytesAntifibrinolytic AgentsTreatment OutcomePlatelet Glycoprotein GPIIb-IIIa ComplexHemorrhageBleeding TimePlatelet Glycoprotein GPIb-IX ComplexTranexamic AcidPlateletpheresisThrombopoietinIntraoperative CarePlatelet Activating FactorAntigens, Human PlateletTime FactorsSplenectomyPurpura, ThrombocytopenicJehovah's WitnessesErythrocyte CountBlood Coagulation DisordersProspective StudiesThrombinBlood Group IncompatibilityFibrinogenHemostasisThrombopoiesisIsoantibodiesHematocritBlood CoagulationRisk FactorsErythropoietinAdenosine DiphosphateThrombosisBlood SafetyAnemia, NeonatalLeukocyte TransfusionReticulocyte CountPostoperative ComplicationsBlood Coagulation Testsbeta-ThalassemiaHemodilutionDisseminated Intravascular CoagulationPerioperative CareP-SelectinProthrombin TimeCD4 Lymphocyte CountThrombelastographyAnemia, Sickle CellBlood SubstitutesPreoperative CareHemostasis, SurgicalErythroblastosis, Fetalvon Willebrand FactorCardiopulmonary BypassLeukocyte Reduction ProceduresHematologic TestsPlasmaAspirinHemostaticsHematologyInfant, NewbornThrombocythemia, EssentialRecombinant ProteinsHELLP SyndromeHepatitis CReceptors, ThrombopoietinPlatelet Membrane Glycoprotein IIbRed CrossHypersplenismFollow-Up StudiesHeparin