Blood Transfusion, AutologousOperative Blood SalvageBlood Loss, SurgicalIntraoperative CareIntraoperative PeriodMonitoring, IntraoperativeIntraoperative ComplicationsSalvage TherapyPostoperative ComplicationsHepatectomyBlood TransfusionHemostasis, SurgicalOperative TimePolyvinyl AlcoholTreatment OutcomeRetrospective StudiesLaparoscopyLimb SalvageUterine MyomectomyAnastomotic LeakPreoperative CareSurgical Procedures, Minimally InvasivePancreaticoduodenectomyErythrocyte TransfusionPostoperative HemorrhageLiver TransplantationLength of StayProspective StudiesSpinal NeoplasmsPostoperative CareTime Factors