2022
Associations Between Vascular Diseases and Alzheimer’s Disease or Related Dementias in a Large Cohort of Men and Women with Colorectal Cancer
Du X, Song L, Schulz P, Xu H, Chan W. Associations Between Vascular Diseases and Alzheimer’s Disease or Related Dementias in a Large Cohort of Men and Women with Colorectal Cancer. Journal Of Alzheimer's Disease 2022, 90: 211-231. PMID: 36093703, PMCID: PMC9661325, DOI: 10.3233/jad-220548.Peer-Reviewed Original ResearchConceptsColorectal cancerVascular diseaseCardiovascular diseaseAlzheimer's diseaseRisk of ADSignificant dose-response relationshipRetrospective cohort studyCohort of patientsTypes of dementiaLong-term riskDose-response relationshipRisk of ADRDTumor factorsCohort studyCumulative incidenceOlder patientsLarge cohortPatientsRelated dementiaHypertensionCancerDiseaseDiabetesDementiaStrokeFactors Associated With COVID-19 Death in the United States: Cohort Study
Chen U, Xu H, Krause T, Greenberg R, Dong X, Jiang X. Factors Associated With COVID-19 Death in the United States: Cohort Study. JMIR Public Health And Surveillance 2022, 8: e29343. PMID: 35377319, PMCID: PMC9132142, DOI: 10.2196/29343.Peer-Reviewed Original ResearchConceptsCOVID-19-related deathsCohort studyPatient characteristicsElectronic health record data setsLarge national cohort studyNational cohort studyChronic respiratory diseasesProportional hazards modelCOVID-19COVID-19 deathsImmunosuppressive conditionsKidney functionMale sexLung cancerCOVID-19 casesRecent diagnosisRisk factorsRespiratory diseaseCardiac diseaseOrgan transplantsHigh incidenceHazards modelNeurological diseasesOlder ageDiseaseAnalysis of Dual Combination Therapies Used in Treatment of Hypertension in a Multinational Cohort
Lu Y, Van Zandt M, Liu Y, Li J, Wang X, Chen Y, Chen Z, Cho J, Dorajoo SR, Feng M, Hsu MH, Hsu JC, Iqbal U, Jonnagaddala J, Li YC, Liaw ST, Lim HS, Ngiam KY, Nguyen PA, Park RW, Pratt N, Reich C, Rhee SY, Sathappan SMK, Shin SJ, Tan HX, You SC, Zhang X, Krumholz HM, Suchard MA, Xu H. Analysis of Dual Combination Therapies Used in Treatment of Hypertension in a Multinational Cohort. JAMA Network Open 2022, 5: e223877. PMID: 35323951, PMCID: PMC8948532, DOI: 10.1001/jamanetworkopen.2022.3877.Peer-Reviewed Original ResearchConceptsDual combination therapyUse of ACEIAntihypertensive drug classesProportion of patientsKhoo Teck Puat HospitalCombination therapyUniversity Hospital databaseHospital databaseDrug classesDual combinationSouth Western Sydney Local Health DistrictWestern Sydney Local Health DistrictPatients age 65 yearsSydney Local Health DistrictElectronic health record databasePatients age 18Local Health DistrictAge 65 yearsTreatment of hypertensionHealth record databaseARB monotherapyTreatment escalationAdult patientsCohort studyCombination regimen
2021
Nonselective beta‐blockers are associated with a lower risk of hepatocellular carcinoma among cirrhotic patients in the United States
Wijarnpreecha K, Li F, Xiang Y, Xu X, Zhu C, Maroufy V, Wang Q, Tao W, Dang Y, Pham H, Zhou Y, Li J, Zhang X, Xu H, Taner C, Yang L, Tao C. Nonselective beta‐blockers are associated with a lower risk of hepatocellular carcinoma among cirrhotic patients in the United States. Alimentary Pharmacology & Therapeutics 2021, 54: 481-492. PMID: 34224163, DOI: 10.1111/apt.16490.Peer-Reviewed Original ResearchConceptsRisk of HCCBeta-blocker groupHepatocellular carcinomaCirrhotic patientsCerner Health Facts databaseCox proportional hazards regressionCumulative HCC incidenceRetrospective cohort studyHealth Facts databasePopulation-based studyProportional hazards regressionKaplan-Meier estimatesEligible patientsCohort studyHCC incidenceFinal cohortHazards regressionHCC riskLower riskPropensity scorePatientsCarvedilolRiskFacts databaseGroup
2020
Asthma Exacerbation Prediction and Risk Factor Analysis Based on a Time-Sensitive, Attentive Neural Network: Retrospective Cohort Study
Xiang Y, Ji H, Zhou Y, Li F, Du J, Rasmy L, Wu S, Zheng W, Xu H, Zhi D, Zhang Y, Tao C. Asthma Exacerbation Prediction and Risk Factor Analysis Based on a Time-Sensitive, Attentive Neural Network: Retrospective Cohort Study. Journal Of Medical Internet Research 2020, 22: e16981. PMID: 32735224, PMCID: PMC7428917, DOI: 10.2196/16981.Peer-Reviewed Original ResearchConceptsAttentive Neural NetworkAsthma exacerbationsRisk factorsNeural networkAdvanced deep learning modelsClinical variablesDeep learning modelsCerner Health Facts databaseLarge electronic health recordNeural network modelRetrospective cohort studyHealth Facts databasePotential risk factorsRisk factor analysisPersonalized risk factorsElectronic health recordsBaseline methodsLearning modelPersonalized risk scoreProgressive asthmaAsthma symptomsEsophageal refluxAdult patientsCohort studyTime-Sensitive
2018
Association of Hemoglobin A1c Levels With Use of Sulfonylureas, Dipeptidyl Peptidase 4 Inhibitors, and Thiazolidinediones in Patients With Type 2 Diabetes Treated With Metformin
Vashisht R, Jung K, Schuler A, Banda J, Park R, Jin S, Li L, Dudley J, Johnson K, Shervey M, Xu H, Wu Y, Natrajan K, Hripcsak G, Jin P, Van Zandt M, Reckard A, Reich C, Weaver J, Schuemie M, Ryan P, Callahan A, Shah N. Association of Hemoglobin A1c Levels With Use of Sulfonylureas, Dipeptidyl Peptidase 4 Inhibitors, and Thiazolidinediones in Patients With Type 2 Diabetes Treated With Metformin. JAMA Network Open 2018, 1: e181755. PMID: 30646124, PMCID: PMC6324274, DOI: 10.1001/jamanetworkopen.2018.1755.Peer-Reviewed Original ResearchConceptsDPP-4 inhibitorsDipeptidyl peptidase-4 inhibitorsFirst-line therapyPeptidase-4 inhibitorsSecond-line drugsType 2 diabetesMyocardial infarctionEye disordersKidney disordersDrug classesSecond-line treatment choiceTotal hemoglobinObservational Health Data SciencesSecond-line treatment optionNew-user cohort studyEffectiveness of sulfonylureasSecond-line treatmentHemoglobin A1c levelsUse of sulfonylureasHealth Data SciencesLarge international studyElectronic medical recordsRoutine medical practiceInsurance claims dataCohort study
2017
Risk of angioedema associated with levetiracetam compared with phenytoin: Findings of the observational health data sciences and informatics research network
Duke J, Ryan P, Suchard M, Hripcsak G, Jin P, Reich C, Schwalm M, Khoma Y, Wu Y, Xu H, Shah N, Banda J, Schuemie M. Risk of angioedema associated with levetiracetam compared with phenytoin: Findings of the observational health data sciences and informatics research network. Epilepsia 2017, 58: e101-e106. PMID: 28681416, PMCID: PMC6632067, DOI: 10.1111/epi.13828.Peer-Reviewed Original ResearchConceptsAngioedema riskAngioedema eventsHazard ratioObservational Health Data SciencesNew-user cohort studySummary hazard ratioRisk of angioedemaHealth Data SciencesAdverse event reportsPhenytoin usersResearch NetworkPhenytoin groupCohort studyTreat analysisAntiepileptic drugsComparator groupSeizure patientsLower riskLevetiracetamAngioedemaFurther studiesEvent reportsSignificant increaseRiskPhenytoin
2016
Evaluation of a Prediction Model for the Development of Atrial Fibrillation in a Repository of Electronic Medical Records
Kolek M, Graves A, Xu M, Bian A, Teixeira P, Shoemaker M, Parvez B, Xu H, Heckbert S, Ellinor P, Benjamin E, Alonso A, Denny J, Moons K, Shintani A, Harrell F, Roden D, Darbar D. Evaluation of a Prediction Model for the Development of Atrial Fibrillation in a Repository of Electronic Medical Records. JAMA Cardiology 2016, 1: 1007-1013. PMID: 27732699, PMCID: PMC5293184, DOI: 10.1001/jamacardio.2016.3366.Peer-Reviewed Original ResearchIncident atrial fibrillationElectronic medical recordsCHARGE-AF modelAtrial fibrillationRisk prediction modelMedical recordsEMR cohortHistory of AFInternal medicine outpatient clinicProspective cohort studyDiastolic blood pressureMedicine outpatient clinicIndividuals 40 yearsType 2 diabetesHigh-risk individualsVanderbilt University Medical CenterUniversity Medical CenterLow-risk individualsPoor calibrationAfrican AmericansFuture risk modelsHealth care expendituresAF managementCohort studyEchocardiographic variables