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
2018
Non-circadian signals in the intensive care unit: Point prevalence morning, noon and night
Altman MT, Pulaski C, Mburu F, Pisani MA, Knauert MP. Non-circadian signals in the intensive care unit: Point prevalence morning, noon and night. Heart & Lung 2018, 47: 610-615. PMID: 30143362, PMCID: PMC6234066, DOI: 10.1016/j.hrtlng.2018.07.011.Peer-Reviewed Original ResearchConceptsSleep promotion interventionsIntensive care unitICU patient roomsQuality improvement initiativesCare unitSleep disturbancesObservational studyICU roomAbnormal lightPatient roomsSound exposureImprovement initiativesDoor curtainsInterventionPrevalenceEnvironmental factorsBright lightRoom doorICUFactors
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