2017
The impact of capnography monitoring among children and adolescents in the postanesthesia care unit: a randomized controlled trial
Langhan ML, Li F, Lichtor JL. The impact of capnography monitoring among children and adolescents in the postanesthesia care unit: a randomized controlled trial. Pediatric Anesthesia 2017, 27: 385-393. PMID: 28177565, DOI: 10.1111/pan.13077.Peer-Reviewed Original ResearchConceptsPostanesthesia care unitPulse oximetryRespiratory depressionAdverse eventsCare unitRespiratory eventsControl groupPediatric postanesthesia care unitAddition of capnographyRates of hypoxemiaAdverse respiratory eventsStaff interventionsPACU staffOxygen desaturationCapnography monitoringElective surgerySupplemental oxygenGeneral anesthesiaHealthy childrenIntervention groupPatient interventionsAbsence of interventionCapnography monitorStandard monitoringVital signs
2016
Respiratory depression detected by capnography among children in the postanesthesia care unit: a cross‐sectional study
Langhan ML, Li FY, Lichtor JL. Respiratory depression detected by capnography among children in the postanesthesia care unit: a cross‐sectional study. Pediatric Anesthesia 2016, 26: 1010-1017. PMID: 27396979, DOI: 10.1111/pan.12965.Peer-Reviewed Original ResearchConceptsPostanesthesia care unitCross-sectional studyRespiratory depressionPulse oximetryOxygen desaturationCare unitSupplemental oxygenTertiary care hospitalNarcotic medicationsCapnography monitoringCare hospitalRoutine careHealthy childrenMedication administrationPatient interventionsOutcome measuresHypoventilationApneaCapnography monitorPatientsVital signsCapnographyPatient safetyOximetryIntervention
2013
Acute Alcohol Intoxication in Adolescents: Frequency of Respiratory Depression
Langhan ML. Acute Alcohol Intoxication in Adolescents: Frequency of Respiratory Depression. Journal Of Emergency Medicine 2013, 44: 1063-1069. PMID: 23485262, DOI: 10.1016/j.jemermed.2012.11.041.Peer-Reviewed Original ResearchConceptsAcute alcohol intoxicationRespiratory depressionAlcohol intoxicationAlcohol levelsProspective observational pilot studyEpisodes of hypoventilationIncidence of hypoventilationMean alcohol levelsObservational pilot studySerious adverse effectsPercent of subjectsHours of intoxicationYears of ageEffects of alcoholOxygen desaturationPatients 14Younger patientsHypoventilationLow dosesSecondary objectiveVital signsAdult counterpartsPatient safetyPilot studyIntoxication
2009
Portable Spirometry During Acute Exacerbations of Asthma in Children
Langhan ML, Spiro DM. Portable Spirometry During Acute Exacerbations of Asthma in Children. Journal Of Asthma 2009, 46: 122-125. PMID: 19253115, DOI: 10.1080/02770900802460522.Peer-Reviewed Original ResearchConceptsAcute exacerbationPediatric emergency departmentPortable spirometryEmergency departmentClinical signsAirway obstructionExpiratory volumeClinical scoresExpiratory flowUrban pediatric emergency departmentCorrelation of spirometryHistory of asthmaAssessment of asthmaPeak expiratory flowPercent of subjectsYears of ageBronchodilator treatmentMedian ageVital capacitySpirometryExacerbationOxygen saturationAsthmaRespiratory rateVital signs
2008
Quantitative End-Tidal Carbon Dioxide in Acute Exacerbations of Asthma
Langhan ML, Zonfrillo MR, Spiro DM. Quantitative End-Tidal Carbon Dioxide in Acute Exacerbations of Asthma. The Journal Of Pediatrics 2008, 152: 829-832. PMID: 18492526, DOI: 10.1016/j.jpeds.2007.11.032.Peer-Reviewed Original ResearchConceptsAcute exacerbationEnd-tidal carbon dioxidePediatric emergency departmentBronchodilator treatmentEmergency departmentControl subjectsSeverity of asthmaHealthy control subjectsHospital admissionPhysical examinationMetabolic disturbancesAsthmaExacerbationRespiratory rateVital signsPatientsChildrenTreatmentSeveritySubjectsDepartmentAdmission