2023
0841 Feasibility of Actigraphy during a Daytime Bright Pilot Study in the Medical ICU
Lukas M, Doyle M, Intihar T, Wright K, Redeker N, Pisani M, Yaggi H, Knauert M. 0841 Feasibility of Actigraphy during a Daytime Bright Pilot Study in the Medical ICU. Sleep 2023, 46: a370-a371. DOI: 10.1093/sleep/zsad077.0841.Peer-Reviewed Original ResearchRest-activity patternsCircadian quotientMICU patientsPilot studyCosinor analysisStudy days 1Illness severity scoresCritical illnessMedical ICUMethods PatientsOngoing RCTsMean ageSeverity scorePatient outcomesActigraphy recordingsPatientsDay 1Patient careCircadian disruptionResults ThirteenActigraphyTotal recordingCircadian alignmentCircadian misalignmentMesor
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
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