2022
Benefits and harms of oral anticoagulants for atrial fibrillation in nursing home residents with advanced dementia
Ouellet GM, O'Leary JR, Leggett CG, Skinner J, Tinetti ME, Cohen AB. Benefits and harms of oral anticoagulants for atrial fibrillation in nursing home residents with advanced dementia. Journal Of The American Geriatrics Society 2022, 71: 561-568. PMID: 36310367, PMCID: PMC9957933, DOI: 10.1111/jgs.18108.Peer-Reviewed Original ResearchConceptsNursing home residentsAtrial fibrillationAdvanced dementiaHome residentsStroke riskLong-stay nursing home residentsMedicare Part D claimsDementia-related mortalityGuideline-recommended thresholdHarms of anticoagulationRetrospective cohort studyMultivariable survival analysisValvular heart diseaseRisk of deathPart D claimsMonths of lifeMinimum Data SetAnticoagulant discontinuationAnticoagulated individualsMean CHAVASc scoreCause mortalityMultivariable adjustmentOral anticoagulantsCohort study
2021
Anticoagulant Use for Atrial Fibrillation Among Persons With Advanced Dementia at the End of Life
Ouellet GM, Fried TR, Gilstrap LG, O’Leary J, Austin AM, Skinner JS, Cohen AB. Anticoagulant Use for Atrial Fibrillation Among Persons With Advanced Dementia at the End of Life. JAMA Internal Medicine 2021, 181: 1121-1123. PMID: 33970197, PMCID: PMC8111560, DOI: 10.1001/jamainternmed.2021.1819.Peer-Reviewed Original ResearchPresentation, Treatment, and Outcomes of Older Adults Hospitalized for Acute Myocardial Infarction According to Cognitive Status: The SILVER-AMI Study
Hajduk AM, Saczynski JS, Tsang S, Geda ME, Dodson JA, Ouellet GM, Goldberg RJ, Chaudhry SI. Presentation, Treatment, and Outcomes of Older Adults Hospitalized for Acute Myocardial Infarction According to Cognitive Status: The SILVER-AMI Study. The American Journal Of Medicine 2021, 134: 910-917. PMID: 33737057, PMCID: PMC8243828, DOI: 10.1016/j.amjmed.2021.03.003.Peer-Reviewed Original ResearchConceptsSevere cognitive impairmentAcute myocardial infarctionMyocardial infarctionCognitive impairmentOlder acute myocardial infarction patientsCognitive statusMultivariable-adjusted logistic regressionAcute myocardial infarction patientsOlder adultsRoutine cognitive screeningRisk of readmissionMedical record reviewRisk of deathPost-discharge periodMyocardial infarction patientsMyocardial infarction survivorsSILVER-AMI StudyComorbidity burdenHospital readmissionPoor outcomeRecord reviewFunctional statusInfarction patientsUnadjusted analysesInfarction survivors180-day readmission risk model for older adults with acute myocardial infarction: the SILVER-AMI study
Dodson JA, Hajduk AM, Murphy TE, Geda M, Krumholz HM, Tsang S, Nanna MG, Tinetti ME, Ouellet G, Sybrant D, Gill TM, Chaudhry SI. 180-day readmission risk model for older adults with acute myocardial infarction: the SILVER-AMI study. Open Heart 2021, 8: e001442. PMID: 33452007, PMCID: PMC7813425, DOI: 10.1136/openhrt-2020-001442.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionReadmission risk modelSelf-reported health statusMyocardial infarctionFunctional mobilityOlder adultsHealth statusDays of AMIFirst diastolic blood pressureChronic obstructive pulmonary diseaseIschemic ECG changesProspective cohort studyDiastolic blood pressureObstructive pulmonary diseaseLength of stayInitial heart rateFinal risk modelSILVER-AMI StudyRisk modelInitial hemoglobinCohort studyReadmission ratesBlood pressureEjection fractionHeart failure
2020
Clinician Perspectives on Incorporating Patients' Values‐Based Health Priorities in Decision‐Making
Ouellet GM, Kiwak E, Costello DM, Green AR, Geda M, Naik AD, Tinetti ME. Clinician Perspectives on Incorporating Patients' Values‐Based Health Priorities in Decision‐Making. Journal Of The American Geriatrics Society 2020, 69: 267-269. PMID: 33165913, PMCID: PMC7839399, DOI: 10.1111/jgs.16914.Peer-Reviewed Original ResearchRisk Model for Decline in Activities of Daily Living Among Older Adults Hospitalized With Acute Myocardial Infarction: The SILVER‐AMI Study
Hajduk AM, Dodson JA, Murphy TE, Tsang S, Geda M, Ouellet GM, Gill TM, Brush JE, Chaudhry SI. Risk Model for Decline in Activities of Daily Living Among Older Adults Hospitalized With Acute Myocardial Infarction: The SILVER‐AMI Study. Journal Of The American Heart Association 2020, 9: e015555. PMID: 33000681, PMCID: PMC7792390, DOI: 10.1161/jaha.119.015555.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionDaily living declineSILVER-AMI StudyDaily livingOlder patientsMonths postdischargeMyocardial infarctionFunctional declineImportant patient-centered outcomesPoor long-term outcomesLonger hospital stayLong-term outcomesPatient-centered outcomesGeriatric impairmentsHospital stayAMI survivorsClinical variablesMean ageMedical recordsRisk factorsRestorative therapyPhysical activityAMI hospitalizationPsychosocial factorsUS hospitals
2019
Challenges and strategies in patients’ health priorities-aligned decision-making for older adults with multiple chronic conditions
Tinetti M, Dindo L, Smith CD, Blaum C, Costello D, Ouellet G, Rosen J, Hernandez-Bigos K, Geda M, Naik A. Challenges and strategies in patients’ health priorities-aligned decision-making for older adults with multiple chronic conditions. PLOS ONE 2019, 14: e0218249. PMID: 31181117, PMCID: PMC6557523, DOI: 10.1371/journal.pone.0218249.Peer-Reviewed Original ResearchConceptsPatients' health prioritiesMultiple chronic conditionsHealth priorityChronic conditionsPatient prioritiesPatient Priorities CarePrimary care cliniciansCare of patientsCare cliniciansPrimary carePatient outcomesCardiology practicePatientsCare optionsCare PilotCliniciansOlder adultsSerial trialsCarePriority careImplementation teamQualitative studyMultiple conditionsAdditional settingsMultiplicity of problemsFunctional Outcomes After Hip Fracture in Independent Community‐Dwelling Patients
Ouellet JA, Ouellet GM, Romegialli AM, Hirsch M, Berardi L, Ramsey CM, Cooney LM, Walke LM. Functional Outcomes After Hip Fracture in Independent Community‐Dwelling Patients. Journal Of The American Geriatrics Society 2019, 67: 1386-1392. PMID: 30964203, PMCID: PMC6941577, DOI: 10.1111/jgs.15870.Peer-Reviewed Original ResearchConceptsNumber of medicationsHospital deliriumCare hoursADL disabilityHip fractureCommunity-dwelling adults 65Community-Dwelling PatientsNew ADL disabilityHip fracture surgeryRetrospective cohort studyDaily living (ADL) disabilityHip fracture patientsProportion of patientsCharacteristics of hospitalizationsIndependent older adultsChart reviewCohort studyFracture patientsFracture surgeryPatient chartsPoor outcomeFunctional outcomeAcademic hospitalOpiate useDelirium
2018
National Prescribing Trends for High‐Risk Anticholinergic Medications in Older Adults
Rhee TG, Choi YC, Ouellet GM, Ross JS. National Prescribing Trends for High‐Risk Anticholinergic Medications in Older Adults. Journal Of The American Geriatrics Society 2018, 66: 1382-1387. PMID: 29582410, PMCID: PMC6097908, DOI: 10.1111/jgs.15357.Peer-Reviewed Original ResearchConceptsNational Ambulatory Medical Care SurveyAnticholinergic prescriptionsPhysician specialtyDrug classesPrescribing trendsOffice-based outpatient visitsOffice-based physician visitsAmbulatory Medical Care SurveyMultivariable logistic regression analysisOlder adultsNational prescribing trendsCommon drug classesLogistic regression analysisCross-sectional analysisSpecific physician specialtiesAnticholinergic medicationsPhysician visitsOutpatient visitsQuality prescribingCare SurveyFemale sexStratified analysisSouthern geographic regionsGreater oddsTotal visits
2017
Prehospital Delay in Older Adults with Acute Myocardial Infarction: The ComprehenSIVe Evaluation of Risk Factors in Older Patients with Acute Myocardial Infarction Study
Ouellet GM, Geda M, Murphy TE, Tsang S, Tinetti ME, Chaudhry SI. Prehospital Delay in Older Adults with Acute Myocardial Infarction: The ComprehenSIVe Evaluation of Risk Factors in Older Patients with Acute Myocardial Infarction Study. Journal Of The American Geriatrics Society 2017, 65: 2391-2396. PMID: 29044463, PMCID: PMC5681402, DOI: 10.1111/jgs.15102.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionAcute Myocardial Infarction StudyMyocardial Infarction StudyPrehospital delayOlder adultsOlder patientsHeart failureMyocardial infarctionRisk factorsFuture public health effortsContemporary national cohortMedical record abstractionPublic health effortsCross-sectional analysisAntiischemic therapyHospital presentationIndex hospitalizationHospital delaySymptom durationDiabetes mellitusClinical presentationComorbid conditionsRecord abstractionAtypical symptomsNonwhite race
2015
Prostate Cancer in Elderly Men Screening, Active Surveillance, and Definitive Therapy
Roussel B, Ouellet GM, Mohile SG, Dale W. Prostate Cancer in Elderly Men Screening, Active Surveillance, and Definitive Therapy. Clinics In Geriatric Medicine 2015, 31: 615-629. PMID: 26476120, DOI: 10.1016/j.cger.2015.07.004.Peer-Reviewed Original Research
2012
Effect of Cardiac Resynchronization Therapy on the Risk of First and Recurrent Ventricular Tachyarrhythmic Events in MADIT-CRT
Ouellet G, Huang DT, Moss AJ, Hall WJ, Barsheshet A, McNitt S, Klein H, Zareba W, Goldenberg I. Effect of Cardiac Resynchronization Therapy on the Risk of First and Recurrent Ventricular Tachyarrhythmic Events in MADIT-CRT. Journal Of The American College Of Cardiology 2012, 60: 1809-1816. PMID: 23040580, DOI: 10.1016/j.jacc.2012.05.057.Peer-Reviewed Original ResearchConceptsLeft bundle branch blockVentricular tachyarrhythmic eventsNon-LBBB patientsFirst arrhythmic eventCardiac resynchronization therapyMADIT-CRTResynchronization therapyArrhythmic riskTachyarrhythmic eventsArrhythmic eventsSubsequent heart failureCRT-D therapyBundle branch blockCox proportional hazardsRisk of FirstHeart failureActive treatmentEfficacy analysisBranch blockPatientsProportional hazardsMultivariate analysisTherapyRegression modelingRiskCombined assessment of sex- and mutation-specific information for risk stratification in type 1 long QT syndrome
Costa J, Lopes CM, Barsheshet A, Moss AJ, Migdalovich D, Ouellet G, McNitt S, Polonsky S, Robinson JL, Zareba W, Ackerman MJ, Benhorin J, Kaufman ES, Platonov PG, Shimizu W, Towbin JA, Vincent GM, Wilde AA, Goldenberg I. Combined assessment of sex- and mutation-specific information for risk stratification in type 1 long QT syndrome. Heart Rhythm 2012, 9: 892-898. PMID: 22293141, PMCID: PMC3358462, DOI: 10.1016/j.hrthm.2012.01.020.Peer-Reviewed Original ResearchConceptsCardiac eventsLife-threatening cardiac eventsSex-specific risk factorsSex-specific riskAge 40 yearsLife-threatening eventsType 1 long QT syndromeLong QT syndromeRisk stratificationRisk factorsQT intervalHigh riskTime-dependent differencesQT syndromeMultivariate analysisLQT1WomenCombined assessmentKCNQ1 geneDisease-causing mutationsMenRiskOnset of adolescenceMutation-specific informationSCDEffectiveness of Cardiac Resynchronization Therapy in Diabetic Patients with Ischemic and Nonischemic Cardiomyopathy
George J, Barsheshet A, Moss AJ, Martin D, Ouellet G, McNitt S, Goldenberg I. Effectiveness of Cardiac Resynchronization Therapy in Diabetic Patients with Ischemic and Nonischemic Cardiomyopathy. Annals Of Noninvasive Electrocardiology 2012, 17: 14-21. PMID: 22276624, PMCID: PMC6932461, DOI: 10.1111/j.1542-474x.2011.00476.x.Peer-Reviewed Original ResearchConceptsNonischemic cardiomyopathyDiabetes mellitusProportional hazards regression modelingCardiac resynchronization therapyMADIT-CRTClinical responseEchocardiographic responseNonischemic patientsDiabetic patientsDM patientsResynchronization therapyClinical benefitCardiomyopathyPatientsRegression modelingCRTMellitusResponseTherapyDefibrillator
2011
Mutation and gender-specific risk in type 2 long QT syndrome: Implications for risk stratification for life-threatening cardiac events in patients with long QT syndrome
Migdalovich D, Moss AJ, Lopes CM, Costa J, Ouellet G, Barsheshet A, McNitt S, Polonsky S, Robinson JL, Zareba W, Ackerman MJ, Benhorin J, Kaufman ES, Platonov PG, Shimizu W, Towbin JA, Vincent GM, Wilde AA, Goldenberg I. Mutation and gender-specific risk in type 2 long QT syndrome: Implications for risk stratification for life-threatening cardiac events in patients with long QT syndrome. Heart Rhythm 2011, 8: 1537-1543. PMID: 21440677, PMCID: PMC4028036, DOI: 10.1016/j.hrthm.2011.03.049.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultChildChild, PreschoolChi-Square DistributionDeath, Sudden, CardiacERG1 Potassium ChannelEther-A-Go-Go Potassium ChannelsFemaleHeart ArrestHumansInfantInfant, NewbornLong QT SyndromeMaleMutationProbabilityProportional Hazards ModelsRegistriesRisk AssessmentSex FactorsStatistics, NonparametricSurvival AnalysisConceptsLife-threatening cardiac eventsCardiac eventsLong QT syndromeGender-specific riskRisk stratificationQT syndromeKCNH2 channelsImproved risk stratificationType 2 long QT syndromeAge 40 yearsLife-threatening eventsLQT2 womenFemale patientsHigh riskLQT2 patientsTime-dependent differencesMultivariate analysisPatientsCombined assessmentCumulative probabilityWomenDisease-causing mutationsLoop mutationsMenRisk
2010
Long QT Syndrome in African‐Americans
Fugate T, Moss AJ, Jons C, McNitt S, Mullally J, Ouellet G, Goldenberg I, Zareba W, Robinson JL, Investigators F. Long QT Syndrome in African‐Americans. Annals Of Noninvasive Electrocardiology 2010, 15: 73-76. PMID: 20146785, PMCID: PMC4028024, DOI: 10.1111/j.1542-474x.2009.00342.x.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdrenergic beta-AntagonistsAdultAge DistributionBlack or African AmericanChildChild, PreschoolDeath, Sudden, CardiacFemaleHeart ArrestHumansInfantInfant, NewbornKaplan-Meier EstimateLong QT SyndromeMaleProportional Hazards ModelsRegistriesRisk FactorsSyncopeUnited StatesWhite PeopleYoung AdultConceptsLong QT syndromeClinical courseRisk factorsQT syndromeAfrican AmericansBeta-blocker therapyCardiac event rateComparable risk factorsKaplan-Meier timeSudden cardiac deathAge 40 yearsAfrican American patientsCox regression modelInternational LQTS RegistryOccurrence of syncopeRisk factor evaluationDecade of birthCardiac eventsCardiac deathCox analysisCardiac arrestLQTS RegistryMedical historyRacial groupsLQTS patients
2009
Influence of Diabetes Mellitus on Outcome in Patients Over 40 Years of Age With the Long QT Syndrome
Ouellet G, Moss AJ, Jons C, McNitt S, Mullally J, Fugate T, Goldenberg I, Zareba W, Robinson JL, Registry I. Influence of Diabetes Mellitus on Outcome in Patients Over 40 Years of Age With the Long QT Syndrome. The American Journal Of Cardiology 2009, 105: 87-89. PMID: 20102896, PMCID: PMC2813216, DOI: 10.1016/j.amjcard.2009.08.657.Peer-Reviewed Original ResearchConceptsYears of ageFirst cardiac eventLong QT syndromeCardiac eventsQTc intervalRisk factorsAdult patientsDiabetes mellitusQT syndromeEnd pointIndependent mortality riskOral diabetic medicationsProlonged QTc intervalImpact of diabetesDevelopment of diabetesBeats/minInternational Long QT Syndrome RegistryCause mortalityDiabetic medicationsOlder patientsStudy populationVentricular repolarizationMortality riskHeart rateCox modelClinical Implications for Patients With Long QT Syndrome Who Experience a Cardiac Event During Infancy
Spazzolini C, Mullally J, Moss AJ, Schwartz PJ, McNitt S, Ouellet G, Fugate T, Goldenberg I, Jons C, Zareba W, Robinson JL, Ackerman MJ, Benhorin J, Crotti L, Kaufman ES, Locati EH, Qi M, Napolitano C, Priori SG, Towbin JA, Vincent GM. Clinical Implications for Patients With Long QT Syndrome Who Experience a Cardiac Event During Infancy. Journal Of The American College Of Cardiology 2009, 54: 832-837. PMID: 19695463, PMCID: PMC3517782, DOI: 10.1016/j.jacc.2009.05.029.Peer-Reviewed Original ResearchConceptsSudden cardiac deathLong QT syndromeCardiac eventsQT syndromeHeart rateClinical implicationsFirst yearBeta-blocker therapyHigh-risk subsetInternational LQTS RegistryBeats/minAge 1 yearYears of lifeHazard ratioCardiac deathSyncopal episodesCardiac arrestLQTS RegistryFemale sexPrognostic aspectsQT intervalStudy populationHigh riskPatientsSyndrome
2008
Cross-talk between the Akt and NF-κB Signaling Pathways Inhibits MEHP-Induced Germ Cell Apoptosis
Rogers R, Ouellet G, Brown C, Moyer B, Rasoulpour T, Hixon M. Cross-talk between the Akt and NF-κB Signaling Pathways Inhibits MEHP-Induced Germ Cell Apoptosis. Toxicological Sciences 2008, 106: 497-508. PMID: 18755736, PMCID: PMC2581679, DOI: 10.1093/toxsci/kfn186.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsApoptosis Regulatory ProteinsBase SequenceBcl-X ProteinBlotting, WesternCarrier ProteinsDiethylhexyl PhthalateDNA PrimersMaleMiceMitochondrial ProteinsNF-kappa BPhosphorylationProto-Oncogene Proteins c-aktReverse Transcriptase Polymerase Chain ReactionSignal TransductionSpermatozoaSuperoxidesTestisConceptsGerm cell apoptosisMono-(2-ethylhexyl) phthalatePI3K/AktCell apoptosisI kappaB alpha proteinNF-kappaBNuclear factor kappa BWild-type miceFactor kappa BNF-kappaB subunitsTwofold increaseGerm cell survivalWild-type testesTesticular injuryLoss of Akt1MEHP exposureP50 mRNAKappa BP65 subunitPostnatal developmentOxidative stressPremature onsetAktMitochondrial target genesTestis