1999
Preoperative anxiety and intraoperative anesthetic requirements.
Maranets I, Kain Z. Preoperative anxiety and intraoperative anesthetic requirements. Anesthesia & Analgesia 1999, 89: 1346-51. PMID: 10589606, DOI: 10.1097/00000539-199912000-00003.Peer-Reviewed Original ResearchConceptsIntraoperative anesthetic requirementsTrait anxietyMaintenance of anesthesiaAnesthetic requirementsAnxiety levelsLow trait anxietyPropofol doseHigh trait anxietyLaparoscopic tubal ligationIntraoperative propofol requirementsAnesthetic stateDoses of anestheticsCross-sectional studyTubal ligationInitial doseBaseline anxietyAnxious patientsHypnotic componentState anxietyLarger dosesAnxietyInduction doseBispectral index monitoringPatientsDose
1996
Parental Presence during Induction of Anesthesia
Kain Z, Mayes L, Caramico L, Silver D, Spieker M, Nygren M, Anderson G, Rimar S. Parental Presence during Induction of Anesthesia. Anesthesiology 1996, 84: 1060-1067. PMID: 8623999, DOI: 10.1097/00000542-199605000-00007.Peer-Reviewed Original ResearchConceptsInduction of anesthesiaSerum cortisol concentrationsLow baseline levelsParental presencePhysiologic measuresBaseline levelsCortisol concentrationsPreoperative behavioral interventionsMultivariate linear regression analysisOutpatient surgeryIntervention groupLinear regression analysisControl groupParent-absent groupBaseline temperamentAnesthesiaBehavioral interventionsChild's ageSignificant differencesChildrenRegression analysisInterventionLow trait anxietyTrait anxietyAnxiety