2024
Intensive care unit interventions to promote sleep and circadian biology in reducing incident delirium: a scoping review
Wilcox M, Burry L, Englesakis M, Coman B, Daou M, van Haren F, Ely E, Bosma K, Knauert M. Intensive care unit interventions to promote sleep and circadian biology in reducing incident delirium: a scoping review. Thorax 2024, thorax-2023-220036. PMID: 38350730, DOI: 10.1136/thorax-2023-220036.Peer-Reviewed Original ResearchSeverity of deliriumIntensive care unitIncident deliriumCare bundleReducing incident deliriumSensitive search of electronic databasesSearch of electronic databasesEnglish-language studiesPromote sleepPromotion interventionsEvaluate interventionsIntensive care unit interventionsElectronic databasesNon-pharmacologicalInclusion criteriaIntervention strategiesDeliriumInterventionCare unitEye maskConference proceedingsVariable reportingSleepPharmacological interventionsAssociation
2022
Sleep in Critical Illness: Future Directions
Knauert M, Parthasarathy S. Sleep in Critical Illness: Future Directions. 2022, 291-309. DOI: 10.1007/978-3-031-06447-0_17.ChaptersIntensive care unitCritical illnessSleep disruptionSleep promotionCircadian disruptionAcute illness factorsCritical care outcomesCritical illness outcomesAspects of sleepICU sleepCare unitICU cliniciansIllness factorsPatient outcomesMethodologic limitationsIllness outcomesSleep interventionsCare outcomesClinical practiceSleep measuresSleep deficiencyNatural historyLimited evidenceSleepIllnessBest Practice for Improving Sleep in the ICU. Part I: Non-pharmacologic
Korwin A, Knauert M. Best Practice for Improving Sleep in the ICU. Part I: Non-pharmacologic. 2022, 231-248. DOI: 10.1007/978-3-031-06447-0_14.ChaptersIntensive care unitICU patientsNormal sleepCritical care treatmentNon-pharmacologic therapiesNon-pharmacologic interventionsMost ICU patientsAbnormal circadian rhythmPoor quality sleepCircadian functionAcute illnessCritical illnessPatient characteristicsIll adultsCare unitChronotherapeutic interventionsCare treatmentSleep preferenceCurrent evidencePatient careCircadian disruptionSleepPatientsFuture interventionsPractice change
2021
Light Levels in ICU Patient Rooms: Dimming of Daytime Light in Occupied Rooms
Lusczek ER, Knauert MP. Light Levels in ICU Patient Rooms: Dimming of Daytime Light in Occupied Rooms. Journal Of Patient Experience 2021, 8: 23743735211033104. PMID: 34368424, PMCID: PMC8312159, DOI: 10.1177/23743735211033104.Peer-Reviewed Original Research
2019
Circadian Biology and Its Importance to Intensive Care Unit Care and Outcomes
Gao C, Knauert M. Circadian Biology and Its Importance to Intensive Care Unit Care and Outcomes. Seminars In Respiratory And Critical Care Medicine 2019, 40: 629-637. PMID: 31826263, DOI: 10.1055/s-0039-1698394.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsIll patientsIntensive care unit careIntensive care unit practiceCircadian rhythmCurrent ICU practiceLow-risk interventionNumerous adverse outcomesUnit careCritical illnessImmune compromiseCardiovascular instabilityMetabolic derangementsAdverse outcomesICU practiceUnit practicesSleep disruptionCare improvementPatientsOutcomesSleepRhythmBright lightDaysCircadian biologyDeliriumChapter 19 Sleep in Hospitalized Patients
Knauert M, Pisani M. Chapter 19 Sleep in Hospitalized Patients. 2019, 411-437. DOI: 10.1016/b978-0-12-813014-8.00019-6.ChaptersHospitalized patientsSleep disturbancesSleep disruptionSeverity of illnessLong-term health impactsPatient care activitiesMedical comorbiditiesCritical illnessPatient factorsCommon complaintSleep historyPatientsCare activitiesSleep deprivationIllnessLittle dataCircadian misalignmentHealth impactsAvailable literatureComorbiditiesHospitalSleepComplaintsTrialsSeverity
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
2015
Sleep Loss and Circadian Rhythm Disruption in the Intensive Care Unit
Knauert MP, Haspel JA, Pisani MA. Sleep Loss and Circadian Rhythm Disruption in the Intensive Care Unit. Clinics In Chest Medicine 2015, 36: 419-429. PMID: 26304279, DOI: 10.1016/j.ccm.2015.05.008.BooksConceptsCritical illnessSleep disruptionAppropriate administrative supportIntensive care unit environmentIntensive care unitCircadian rhythm disruptionDelirium reductionIll patientsCare unitPharmacologic interventionsSleep disturbancesRhythm disruptionCare deliveryMultidisciplinary strategyUnit environmentSleep lossIllnessDisruptionPatientsEffective strategySleepEnvironmental factors
2014
Sleep and Sleep Disordered Breathing in Hospitalized Patients
Knauert MP, Malik V, Kamdar BB. Sleep and Sleep Disordered Breathing in Hospitalized Patients. Seminars In Respiratory And Critical Care Medicine 2014, 35: 582-592. PMID: 25353103, DOI: 10.1055/s-0034-1390080.BooksConceptsHospitalized patientsPoor sleep qualityPatient care activitiesInpatient deliriumAcute illnessPatients' sleepAdverse outcomesModifiable factorsPoor sleepBreathing increasesHospital settingSleep qualityPatientsMetabolic consequencesMultidisciplinary teamEarly identificationCare activitiesSleep deprivationSleepBreathingCurrent knowledgeFundamental physiological processesPhysiological processesDeliriumMedicationsFeasibility 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