Ambulatory Surgical ProceduresSurgicentersDroperidolCurrent Procedural TerminologyHernia, InguinalPostoperative ComplicationsAnesthesiaSurgical Procedures, ElectiveTreatment OutcomeSurgical Procedures, Minimally InvasiveOutpatientsPain, PostoperativeCholecystectomy, LaparoscopicPatient SatisfactionMedical AuditPatient ReadmissionLength of StayEnglandFeasibility StudiesProspective StudiesBariatric SurgeryHospitalizationQuestionnairesGeneral SurgeryThoracic SurgeryCardiac Surgical ProceduresRetrospective StudiesPostoperative PeriodSurgery, PlasticPreoperative CareThoracic Surgery, Video-AssistedCataract ExtractionFollow-Up StudiesSurgery, Computer-AssistedSurgical Procedures, OperativeTime FactorsPostoperative CareCoronary Artery BypassSurgery, OralLaparoscopyCardiopulmonary BypassColorectal SurgeryReoperationIntraoperative ComplicationsIntraoperative CareOrthopedic ProceduresPerioperative CareSurgery Department, HospitalNeurosurgical ProceduresThoracic Surgical ProceduresVascular Surgical ProceduresIntraoperative PeriodOphthalmologic Surgical ProceduresObesity, MorbidGynecologic Surgical ProceduresMonitoring, IntraoperativeRisk FactorsDigestive System Surgical ProceduresAnesthesia, GeneralVideo-Assisted SurgeryStapes SurgeryGastric Bypass