2023
An observational pilot study of sleep disruption and delirium in critically ill children
Kalvas L, Harrison T, Curley M, Ordway M, Redeker N, Happ M. An observational pilot study of sleep disruption and delirium in critically ill children. Heart & Lung 2023, 62: 215-224. PMID: 37591147, PMCID: PMC10592139, DOI: 10.1016/j.hrtlng.2023.08.005.Peer-Reviewed Original ResearchPediatric intensive care unitObservational pilot studySleep disruptionPICU environmentPilot studyMedian PICU lengthSleep promotion interventionsIntensive care unitAverage participant ageWorse sleep qualitySleep episode durationHours of sleepMinutes of sleepDaytime light levelsDelirium prevalencePICU admissionPICU lengthDelirium screeningRespiratory failureCare unitMore awakeningsIll childrenPromotion interventionsEpisode durationSleep quality0842 Feasibility of daytime bright light exposure and urinary 6-sulfatoxymelatonin profiling in the medical ICU: A pilot study
Intihar T, Doyle M, Lukas M, Wright K, Redeker N, Pisani M, Yaggi H, Knauert M. 0842 Feasibility of daytime bright light exposure and urinary 6-sulfatoxymelatonin profiling in the medical ICU: A pilot study. Sleep 2023, 46: a371-a371. DOI: 10.1093/sleep/zsad077.0842.Peer-Reviewed Original ResearchMedical intensive care unitMICU patientsDaytime bright light exposureStudy days 1Intensive care unitIllness severity scoresBright light exposureWarrants further investigationCircadian outcomesMedical ICUCritical illnessIll patientsOngoing RCTsCare unitCircadian timingMean ageMelatonin useCircadian phaseSeverity scorePilot trialSufficient urinePatientsStudy daysBright lightDay 1
2020
Pilot Observational Study to Detect Diurnal Variation and Misalignment in Heart Rate Among Critically Ill Patients
Knauert MP, Murphy TE, Doyle MM, Pisani MA, Redeker NS, Yaggi HK. Pilot Observational Study to Detect Diurnal Variation and Misalignment in Heart Rate Among Critically Ill Patients. Frontiers In Neurology 2020, 11: 637. PMID: 32760341, PMCID: PMC7373742, DOI: 10.3389/fneur.2020.00637.Peer-Reviewed Original ResearchMedical ICU admissionIntensive care unitHeart rateIll patientsICU admissionCircadian alignmentMedical record chart abstractionsProspective observational cohort studyCircadian disruptionMedical ICU patientsObservational cohort studyCritical illness outcomesPilot observational studyContinuous telemetric monitoringChart abstractionExploratory analysisCohort studyCritical illnessHospital admissionICU patientsCare unitPatient interviewsFrequent bloodOdds ratioObservational study
2018
Creating Naptime
Knauert MP, Redeker NS, Yaggi HK, Bennick M, Pisani MA. Creating Naptime. Journal Of Patient Experience 2018, 5: 180-187. PMID: 30214923, PMCID: PMC6134539, DOI: 10.1177/2374373517747242.Peer-Reviewed Original ResearchIntensive care unitLaboratory drawsICU deliriumPromotion protocolRest periodDuration of deliriumMedical ICU patientsMedical chart reviewBrief clustersChart reviewICU patientsRoutine careCare unitSleep promotionPatient anxietyProtocol violationsSleep disruptionUrgent carePilot protocolOvernight rest periodPatient disturbancePatient careDeliriumStakeholder feedbackCare
2017
Factors Influencing Patients' Sleep in the Intensive Care Unit: Perceptions of Patients and Clinical Staff.
Ding Q, Redeker NS, Pisani MA, Yaggi HK, Knauert MP. Factors Influencing Patients' Sleep in the Intensive Care Unit: Perceptions of Patients and Clinical Staff. American Journal Of Critical Care 2017, 26: 278-286. PMID: 28668912, PMCID: PMC5559223, DOI: 10.4037/ajcc2017333.Peer-Reviewed Original ResearchConceptsIntensive care unitMedical intensive care unitPatients' sleepCare unitSleep improvementIntensive care unit staffIntensive care unit environmentPerceptions of patientsAdequate sleep opportunityIll patientsBeliefs of staffClinical outcomesSleep qualityRestorative sleepUnit staffPatientsClinical staffPatient surrogatesSleepUnit environmentSleep opportunityOnly factorPatients' emotionsNonenvironmental factorsSemistructured interviews
2016
Comparing average levels and peak occurrence of overnight sound in the medical intensive care unit on A-weighted and C-weighted decibel scales
Knauert M, Jeon S, Murphy TE, Yaggi HK, Pisani MA, Redeker NS. Comparing average levels and peak occurrence of overnight sound in the medical intensive care unit on A-weighted and C-weighted decibel scales. Journal Of Critical Care 2016, 36: 1-7. PMID: 27546739, PMCID: PMC5097003, DOI: 10.1016/j.jcrc.2016.06.005.Peer-Reviewed Original ResearchConceptsIntensive care unitMedical intensive care unitCare unitWorld Health Organization recommendationsProspective observational studyICU patient roomsIllness severityPatient factorsMechanical ventilationObservational studyPeak occurrenceICU environmentSignificant discordanceCircadian disruptionPatient roomsDecibel scaleSound levelsEquivalent sound levelPeak measuresDeliriumLevelsMeaningful factorsSleepLow-frequency soundAverage level
2014
Feasibility study of unattended polysomnography in medical intensive care unit patients
Knauert MP, Yaggi HK, Redeker NS, Murphy TE, Araujo KL, Pisani MA. Feasibility study of unattended polysomnography in medical intensive care unit patients. Heart & Lung 2014, 43: 445-452. PMID: 25023504, PMCID: PMC4150840, DOI: 10.1016/j.hrtlng.2014.06.049.Peer-Reviewed Original ResearchConceptsMedical intensive care unitPortable polysomnographySleep efficiencyMedical intensive care unit patientsIntensive care unit patientsSleep deprivationOvernight sleep durationCare unit patientsObservational pilot studyIntensive care unitIndicators of feasibilityUnattended polysomnographyUnit patientsIll patientsPatients' sleepCare unitArousal indexPSG studiesSleep durationPatientsInterpretable qualityPilot studyGold standardSleepSleep stages
2004
Nocturnal care interactions with patients in critical care units.
Tamburri LM, DiBrienza R, Zozula R, Redeker NS. Nocturnal care interactions with patients in critical care units. American Journal Of Critical Care 2004, 13: 102-12; quiz 114-5. PMID: 15043238, DOI: 10.4037/ajcc2004.13.2.102.Peer-Reviewed Original ResearchConceptsCritical care unitsCare unitCare interactionsAcuity scoresCare activitiesSite of admissionSleep-promoting interventionsIntensive care unitPatient acuity scoresPatients' sleepIll patientsRetrospective reviewPatient morbidityMedical recordsPatient variablesDaily bathsLong-term effectsPatientsHealth outcomesSleep deprivationNocturnal careSleepMean numberMorbidityUninterrupted period