Featured Publications
Cognitive Aging Trajectories and Burdens of Disability, Hospitalization and Nursing Home Admission Among Community-living Older Persons
Han L, Gill TM, Jones BL, Allore HG. Cognitive Aging Trajectories and Burdens of Disability, Hospitalization and Nursing Home Admission Among Community-living Older Persons. The Journals Of Gerontology Series A 2015, 71: 766-771. PMID: 26511011, PMCID: PMC4888384, DOI: 10.1093/gerona/glv159.Peer-Reviewed Original ResearchConceptsNursing home admissionBurden of disabilityCommunity-living older personsHome admissionOlder personsGreater burdenCognitive trajectoriesMini-Mental State ExaminationCommunity-living personsCognitive aging trajectoriesNursing home placementPrecipitating Events ProjectLow incidence rateEquation Poisson modelsRapid cognitive declineBaseline cognitive functionAging trajectoriesGroup-based trajectory modelsThird of participantsADL disabilityHigher baseline cognitive functionInstrumental ADLIncidence rateDaily livingHospitalization
2017
Joint Trajectories of Cognition and Frailty and Associated Burden of Patient-Reported Outcomes
Liu Z, Han L, Gahbauer EA, Allore HG, Gill TM. Joint Trajectories of Cognition and Frailty and Associated Burden of Patient-Reported Outcomes. Journal Of The American Medical Directors Association 2017, 19: 304-309.e2. PMID: 29146224, PMCID: PMC6054444, DOI: 10.1016/j.jamda.2017.10.010.Peer-Reviewed Original ResearchConceptsPatient-reported outcomesNursing home admissionException of hospitalizationMini-Mental State ExaminationFrailty groupHome admissionCumulative burdenSlower cognitive declineCognitive frailtyCognitive declineProgressive frailtyCommunity-living older personsGreater burdenJoint trajectory groupsHigh cumulative burdenCommunity-living personsIncidence density rateLow physical activitySlow walking speedTrajectory groupsEquation Poisson modelsRapid cognitive declineDistinct joint trajectoriesFried phenotypeMuscle weakness
2016
Dyspnea in Community‐Dwelling Older Persons: A Multifactorial Geriatric Health Condition
Miner B, Tinetti ME, Van Ness PH, Han L, Leo‐Summers L, Newman AB, Lee PJ, Fragoso C. Dyspnea in Community‐Dwelling Older Persons: A Multifactorial Geriatric Health Condition. Journal Of The American Geriatrics Society 2016, 64: 2042-2050. PMID: 27549914, PMCID: PMC5073004, DOI: 10.1111/jgs.14290.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAnkle Brachial IndexBody Mass IndexCausalityComorbidityCross-Sectional StudiesDyspneaEchocardiographyElectric ImpedanceFemaleGeriatric AssessmentHumansIndependent LivingMaleMental CompetencyRespiratory Function TestsRisk FactorsSeverity of Illness IndexStatistics as TopicUnited StatesConceptsBody mass indexSevere dyspneaOlder personsChair standCommunity-dwelling older personsMultivariable logistic regression modelHealth conditionsWhole body muscle massMini-Mental State ExaminationAnkle-brachial indexEpidemiologic Studies Depression ScaleRespiratory muscle weaknessMaximal inspiratory pressureVentricular ejection fractionCardiovascular Health StudyCommunity-dwelling personsDiastolic cardiac dysfunctionLogistic regression modelsGrip weaknessSerum hemoglobinBlood pressureDyspnea severityEjection fractionMedication useCardiac dysfunction
2011
Antidepressant Use and Cognitive Functioning in Older Medical Patients With Major or Minor Depression
Han L, McCusker J, Cole M, apek R, Abrahamowicz M. Antidepressant Use and Cognitive Functioning in Older Medical Patients With Major or Minor Depression. Journal Of Clinical Psychopharmacology 2011, 31: 429-435. PMID: 21694621, PMCID: PMC3558972, DOI: 10.1097/jcp.0b013e318221b2f8.Peer-Reviewed Original ResearchConceptsOlder medical patientsAntidepressant useMinor depressionMedical patientsAntidepressant medicationMini-Mental State Examination scoreHamilton Depression Rating ScaleMini-Mental State ExaminationProvincial prescription databasePsychotropic drug useDepression Rating ScaleAcute care hospitalsState Examination scoreComplex medical conditionsLong-term cognitive effectsSignificant cognitive impairmentSmall cognitive improvementsAntidepressant prescriptionsCare hospitalConcomitant benzodiazepinesMedical inpatientsPrescription databaseAntidepressant agentsDepression diagnosisMajor depression
2008
12-Month Cognitive Outcomes of Major and Minor Depression in Older Medical Patients
Han L, McCusker J, Cole M, Abrahamowicz M, Čapek R. 12-Month Cognitive Outcomes of Major and Minor Depression in Older Medical Patients. American Journal Of Geriatric Psychiatry 2008, 16: 742-751. PMID: 18757768, DOI: 10.1097/jgp.0b013e31817c6ad7.Peer-Reviewed Original ResearchConceptsMini-Mental State ExaminationOlder medical patientsMinor depressionPoor cognitive functionMedical patientsDepression diagnosisCognitive functionStudy entryIndependent risk factorProspective cohort studyApparent cognitive impairmentFourth Edition criteriaAcute care hospitalsDiagnostic Interview ScheduleMixed effects regression modelsAntidepressant treatmentCohort studyCare hospitalHospital admissionMedical inpatientsRegression modelsPhysical functionRisk factorsCardiovascular diseaseEdition criteria
2006
The Temporal Relationship Between Depression Symptoms and Cognitive Functioning in Older Medical Patients—Prospective or Concurrent?
Han L, McCusker J, Abrahamowicz M, Cole M, Capek R. The Temporal Relationship Between Depression Symptoms and Cognitive Functioning in Older Medical Patients—Prospective or Concurrent? The Journals Of Gerontology Series A 2006, 61: 1319-1323. PMID: 17234828, DOI: 10.1093/gerona/61.12.1319.Peer-Reviewed Original ResearchConceptsMini-Mental State ExaminationHamilton Depression Rating ScaleHDRS scoresDepression symptomsCognitive impairmentInpatients 65 yearsIndependent risk factorTime pointsOlder medical patientsDepression Rating ScaleOld-age depressionLower MMSE scoresSame time pointsCognitive functioningSubsequent time pointsOne-point increaseTemporal relationshipCardiovascular riskMMSE changeIllness severityMedical patientsRisk factorsMMSE scoresDepressive symptomsEpidemiological studiesRecoverable Cognitive Dysfunction at Hospital Admission in Older Persons During Acute Illness
Inouye SK, Zhang Y, Han L, Leo‐Summers L, Jones R, Marcantonio E. Recoverable Cognitive Dysfunction at Hospital Admission in Older Persons During Acute Illness. Journal Of General Internal Medicine 2006, 21: 1276-1281. PMID: 16965558, PMCID: PMC1924736, DOI: 10.1111/j.1525-1497.2006.00613.x.Peer-Reviewed Original ResearchMeSH KeywordsActivities of Daily LivingAcute DiseaseAgedAged, 80 and overCognition DisordersCohort StudiesDeliriumDementiaEducational StatusFemaleHospitalizationHumansIncidenceMalePredictive Value of TestsProspective StudiesPsychiatric Status Rating ScalesRecovery of FunctionSeverity of Illness IndexConceptsMini-Mental State ExaminationCognitive dysfunctionAcute illnessOlder personsProspective cohort studyAdjusted odds ratioHigher illness severityPotential clinical implicationsMajority of casesHigher educational levelCohort studyHospital admissionPrimary outcomeIllness severityMultivariable analysisConsecutive admissionsOdds ratioAcademic hospitalFunctional impairmentMMSE scoresState ExaminationDeliriumMMSE impairmentDysfunctionPatients
2000
Tracking Cognitive Decline in Alzheimer's Disease Using the Mini-Mental State Examination: A Meta-Analysis
Han L, Cole M, Bellavance F, McCusker J, Primeau F. Tracking Cognitive Decline in Alzheimer's Disease Using the Mini-Mental State Examination: A Meta-Analysis. International Psychogeriatrics 2000, 12: 231-247. PMID: 10937543, DOI: 10.1017/s1041610200006359.Peer-Reviewed Original ResearchConceptsMini-Mental State ExaminationAD patientsAlzheimer's diseaseCognitive declineInclusion criteriaStudy populationMMSE scoresState ExaminationCourse of ADPathological diagnostic criteriaEffect sizeInitial MMSE scoreNumber of assessmentsLongitudinal study designOutcome measuresDiagnostic criteriaPopulation characteristicsFollowing keywordsMeta-AnalysisPatientsStudy designDiseaseChange scoresRandom effects regression modelsSignificant heterogeneity