Postoperative Nausea and VomitingHeadacheAntiemeticsNauseaDroperidolOndansetronVomitingHeadache DisordersMetoclopramideTension-Type HeadacheCluster HeadacheAnesthesia, GeneralGynecologic Surgical ProceduresAcupressureAmbulatory Surgical ProceduresPain, PostoperativeNitrous OxideDouble-Blind MethodVascular HeadachesGranisetronAnalgesics, OpioidPreanesthetic MedicationAcupuncture PointsMigraine DisordersPropofolHeadache Disorders, SecondarySerotonin 5-HT3 Receptor AntagonistsAnesthetics, IntravenousAnalgesia, Patient-ControlledPostoperative ComplicationsAnesthesia, ConductionAnesthesia Department, HospitalFentanylAcupunctureAnesthesia Recovery PeriodObstetric Surgical ProceduresAnesthesia, IntravenousMyringoplastyMorphineAnesthesia, InhalationProspective StudiesAlfentanilStrabismusDexamethasoneIntraoperative PeriodSerotonin AntagonistsInjections, IntravenousAnesthesia, ObstetricalPruritusAnesthetics, InhalationIntraoperative CareQuinolizinesNeostigmineSufentanilTreatment OutcomeCholecystectomy, LaparoscopicLaparoscopyPain MeasurementAnesthetics, CombinedOxygen Inhalation TherapyAnalgesicsPiperidinesRandomized Controlled Trials as TopicDrug Administration ScheduleAnesthesiaAnesthesia, SpinalSingle-Blind MethodAnestheticsAnalgesia, EpiduralDrug Therapy, CombinationMethyl EthersHysterectomyPatient SatisfactionMotion SicknessIsofluraneDose-Response Relationship, DrugMigraine without AuraInfusions, IntravenousAnesthetics, LocalPostoperative PeriodRisk FactorsIncidence