2024
0230 Comparing Subjective and Objective Measures of Chronotypes and Their Associations with Age in Older Adults
Pan Y, Cho G, Burzynski C, Polisetty L, Doyle M, Iannone L, Knauert M, Yaggi H, Gill T, Miner B. 0230 Comparing Subjective and Objective Measures of Chronotypes and Their Associations with Age in Older Adults. Sleep 2024, 47: a99-a99. DOI: 10.1093/sleep/zsae067.0230.Peer-Reviewed Original ResearchOlder adultsAssociated with ageCommunity-living older adultsSleep midpointSeven-daySelf-reported sleep complaintsDays of actigraphyChi-square testTwo-sample t-testActivity countsNo significant differencePearson correlation coefficientAdverse outcomesCT groupMinority raceVariability of chronotypeAdvanced ageObservational studyMorningness-Eveningness QuestionnaireMeasures of chronotypeDemographic factorsSleep onsetModerate correlationSleep disturbanceSignificant difference
2021
Influence of medical trainee sleep pattern (chronotype) on burn-out and satisfaction with work schedules: a multicentre observational study
Gohar A, Knauert M, Kalot M, Khan A, Sider D, Javed M, Wooldridge D, Eck L, Buckhold F, Colaco B, Bhat A, Castillo D, Newman R, Mustafa R. Influence of medical trainee sleep pattern (chronotype) on burn-out and satisfaction with work schedules: a multicentre observational study. Postgraduate Medical Journal 2021, 98: 936-941. PMID: 37062998, PMCID: PMC10074556, DOI: 10.1136/postgradmedj-2021-140975.Peer-Reviewed Original Research
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
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