Surgical Procedures, ElectiveSurgical Procedures, OperativePostoperative ComplicationsPreoperative CareAnesthesia, GeneralPerioperative CareChannel IslandsOperating RoomsTreatment OutcomePreanesthetic MedicationIntubation, IntratrachealPostoperative PeriodLaryngoscopyProspective StudiesGeneral SurgeryRetrospective StudiesTime FactorsEmergenciesAnesthesiaPneumonia, AspirationAnesthetics, IntravenousCardiac Surgical ProceduresAmbulatory Surgical ProceduresSurgery Department, HospitalAnesthesia Recovery PeriodWaiting ListsDigestive System Surgical ProceduresLength of StayMonitoring, IntraoperativePreoperative PeriodAnesthetics, InhalationAnesthesia, InhalationColectomyIntraoperative PeriodFollow-Up StudiesHerniorrhaphyLaryngoscopesPropofolAortic Aneurysm, AbdominalPostoperative CareBlood Grouping and CrossmatchingBariatric SurgeryVascular Surgical ProceduresFentanylDiverticulitis, ColonicOrthopedic ProceduresLaryngeal MasksAnesthesia, IntravenousIsofluraneNeuromuscular Nondepolarizing AgentsIntraoperative CareBlood Transfusion, AutologousRisk FactorsPain, PostoperativeAtracuriumCholecystectomyMethyl EthersFiber Optic TechnologyThoracic SurgeryHospital MortalityAnesthesiologyBlood Loss, SurgicalDiverticulum, ColonPostoperative Nausea and VomitingThiopentalHospital CostsFluid TherapyNitrous OxideAbdomenRisk AssessmentAndrostanolsSurgical Wound InfectionBlood TransfusionNeuromuscular Blocking AgentsSurgical Procedures, Minimally InvasiveHospitalsAortic RuptureXenonSurgery, PlasticAorta, AbdominalCholecystectomy, LaparoscopicAge FactorsPatient SelectionAppointments and SchedulesDouble-Blind MethodAortic AneurysmSurgery, Computer-AssistedAnesthesia, SpinalAnesthetics, LocalReoperationLaparoscopyState MedicineRecurrenceThoracic Surgery, Video-AssistedNeurosurgical ProceduresCoronary Artery BypassCataract ExtractionHospitals, UniversityEnglandIntraoperative Complications