Li Qin, PhD
Associate Research Scientist in Medicine (Cardiology)Cards
About
Research
Publications
2026
Use and Safety of Urgent vs Elective Catheter Ablation of Atrial Fibrillation in the United States
Sandhu A, Qin L, Polsinelli V, Minges K, Freeman J, Al-Khatib S, Walker A, Bradley S, Ho P, Tzou W, Varosy P, Hess P. Use and Safety of Urgent vs Elective Catheter Ablation of Atrial Fibrillation in the United States. JACC Clinical Electrophysiology 2026 PMID: 41649429, DOI: 10.1016/j.jacep.2025.12.030.Peer-Reviewed Original ResearchAF ablationElective ablationAtrial fibrillationHigher hospital volumeComplication rateHeart failureSafety of atrial fibrillationProcedure-related complication rateIn-hospital complication ratesIndex AF ablationProcedure-related complicationsRhythm control strategyCoronary artery diseaseRates of comorbiditiesAblation RegistryCatheter ablationHigher RatesArtery diseaseBlack patientsComorbid conditionsElective proceduresPatientsHigher oddsStudy periodAblation
2025
Use of Direct Oral Anticoagulants Following Cardiac Implantable Electronic Device Placement
Ashur C, Qin L, Minges K, Freeman J, Al‐Khatib S, Bradley S, Ho P, Tzou W, Varosy P, Hess P, Sandhu A. Use of Direct Oral Anticoagulants Following Cardiac Implantable Electronic Device Placement. Pacing And Clinical Electrophysiology 2025, 48: 859-869. PMID: 40743214, DOI: 10.1111/pace.70016.Peer-Reviewed Original ResearchConceptsDirect oral anticoagulantsCardiac implantable electronic device implantationCardiac implantable electronic devicesRate of pocket hematomasAF patientsPocket hematomaOral anticoagulantsDevice infectionDevice revisionAtrial fibrillationCardiac implantable electronic device placementDirect oral anticoagulant therapyRisk of device infectionDOAC prescriptionsReal-world practice patternsRate of strokeNational Cardiovascular Data RegistryImplantable electronic devicesDOAC usePost-discharge outcomesClinical outcomesPost-CIPatientsDevice placementPractice patternsSame‐Day Discharge After Catheter Ablation of Atrial Fibrillation in the United States
Sandhu A, Qin L, Minges K, Zimmerman S, Borne R, Polsinelli V, Ho P, Hsu J, Al‐Khatib S, Freeman J, Bradley S, Rao S, Hernandez A, Tzou W, Varosy P, Hess P. Same‐Day Discharge After Catheter Ablation of Atrial Fibrillation in the United States. Journal Of The American Heart Association 2025, 14: e039190. PMID: 40240938, PMCID: PMC12184264, DOI: 10.1161/jaha.124.039190.Peer-Reviewed Original ResearchConceptsSame-day dischargeRate of same-day dischargeAF ablationComplication rateAtrial fibrillationPersistent AFCatheter ablation of atrial fibrillationAblation of atrial fibrillationOvernight hospitalizationLikelihood of same-day dischargeSame-day discharge ratePostprocedural complication rateSame-day discharge patientsSubstantial hospital variationCatheter ablationDays postprocedureClinical factorsBlack raceIndex procedureComorbid conditionsPatientsHospital variationSame-dayHospitalComplicationsCE-495074-003 DIRECT ORAL ANTICOAGULANT MANAGEMENT AND OUTCOMES FOLLOWING CARDIAC IMPLANTABLE ELECTRONIC DEVICE PLACEMENT
Ashur C, Qin L, Minges K, Pantel S, Freeman J, Al-Khatib S, Bradley S, Ho M, Tzou W, Varosy P, Hess P, Sandhu A. CE-495074-003 DIRECT ORAL ANTICOAGULANT MANAGEMENT AND OUTCOMES FOLLOWING CARDIAC IMPLANTABLE ELECTRONIC DEVICE PLACEMENT. Heart Rhythm 2025, 22: s2. DOI: 10.1016/j.hrthm.2025.03.005.Peer-Reviewed Original Research
2024
Long-term outcomes of subcutaneous versus transvenous implantable cardioverter defibrillator use among patients on maintenance dialysis
Pun P, Qin L, Minges K, Al-Khatib S, Friedman D. Long-term outcomes of subcutaneous versus transvenous implantable cardioverter defibrillator use among patients on maintenance dialysis. Heart Rhythm 2024, 22: 2877-2886. PMID: 39615818, DOI: 10.1016/j.hrthm.2024.11.050.Peer-Reviewed Original ResearchHospital admissionAccess interventionsAssociated with decreased riskFee-for-serviceLongitudinal cohort studyMedicare claims dataAssociated with decreased risk of deathImplantable cardioverter defibrillator useNational Cardiovascular Data Registry ICD RegistryBurden of cardiac diseaseRisk of deathDialysis access interventionsDefibrillator useClaims dataElevated risk of sudden cardiac deathImplantable cardioverter defibrillatorLong-term outcomesRisk of sudden cardiac deathStabilized inverse probabilityDialysis patientsElevated riskInclusion criteriaTV-ICDS-ICDICD RegistryAssociation of Periodic Limb Movements and Obstructive Sleep Apnea With Risk of Cardiovascular Disease and Mortality
Zinchuk A, Srivali N, Qin L, Jeon S, Ibrahim A, Sands S, Koo B, Yaggi H. Association of Periodic Limb Movements and Obstructive Sleep Apnea With Risk of Cardiovascular Disease and Mortality. Journal Of The American Heart Association 2024, 13: e031630. PMID: 38240208, PMCID: PMC11056155, DOI: 10.1161/jaha.123.031630.Peer-Reviewed Original ResearchConceptsPeriodic limb movement indexApnea-hypopnea indexObstructive sleep apneaPeriodic limb movementsSleep apneaIncident cardiovascular diseasePrimary outcomeCardiovascular diseaseAssociation of apnea-hypopnea indexIncreased risk of primary outcomeIncreased riskRisk factorsRisk of primary outcomeAssociated with primary outcomeMedian Follow-UpBaseline risk of mortalityCox proportional hazards regressionRisk of cardiovascular diseaseLimb movement indexCharlson Comorbidity IndexFramingham risk scoreProportional hazards regressionRisk of mortalityCardiovascular disease eventsFollow-up
2023
Left ventricular lead implantation failure in an unselected nationwide cohort
Friedman D, Qin L, Freeman J, Singh J, Curtis J, Piccini J, Al-Khatib S, Jackson K. Left ventricular lead implantation failure in an unselected nationwide cohort. Heart Rhythm 2023, 20: 1420-1428. PMID: 37406870, DOI: 10.1016/j.hrthm.2023.06.023.Peer-Reviewed Original ResearchImplant failureIndependent predictorsSleep apneaBlack raceFemale sexQRS durationHispanic ethnicityNational Cardiovascular Data Registry ICD RegistryYounger ageLeft bundle branch blockCoronary sinus dissectionPredictors of LVUnselected nationwide cohortVentricular lead implantationCardiac resynchronization therapy (CRT) proceduresObstructive sleep apneaImplant failure rateSignificant independent predictorsBundle branch blockCoronary sinus accessCRT implantationDiaphragmatic stimulationNationwide cohortEjection fractionICD Registry
2016
Latent Variable Model for Weight Gain Prevention Data with Informative Intermittent Missingness
Qin L, Weissfeld L, Levine M, Marcus M, Dai F. Latent Variable Model for Weight Gain Prevention Data with Informative Intermittent Missingness. Journal Of Modern Applied Statistical Methods 2016, 15: 627-642. DOI: 10.22237/jmasm/1478003640.Peer-Reviewed Original ResearchModeling Longitudinal Obesity Data with Intermittent Missingness Using a New Latent Variable Model
Qin L, Weissfeld L, Marcus M, Levine M, Dai F. Modeling Longitudinal Obesity Data with Intermittent Missingness Using a New Latent Variable Model. Communications In Statistics - Simulation And Computation 2016, 45: 2018-2031. DOI: 10.1080/03610918.2014.889154.Peer-Reviewed Original ResearchLatent variable modelsFisher information matrixVariable modelLatent variablesGauss-Hermite quadratureComplete-case analysisIntermittent missingnessPearson residualsMarginal likelihoodInformation matrixEM algorithmClinical trial datasetBootstrap methodNormal distributionLongitudinal responseComplete-caseMissingness patternsMissingnessParameter estimationClass modelTrial datasetStandard errorEstimationBootstrapWeight gain prevention
2009
A Two-Latent-Class Model for Smoking Cessation Data with Informative Dropouts
Qin L, Weissfeld L, Shen C, Levine M. A Two-Latent-Class Model for Smoking Cessation Data with Informative Dropouts. Communication In Statistics- Theory And Methods 2009, 38: 2604-2619. PMID: 20523912, PMCID: PMC2879593, DOI: 10.1080/03610920802585849.Peer-Reviewed Original ResearchInformative dropoutMethod of maximum likelihood estimationNon-ignorable missing dataIgnorable missing dataMaximum likelihood estimationSmoking cessation dataMissingness processLikelihood estimationCessation dataConditional independenceLatent class modelLongitudinal responseLatent classesGEE modelClass modelCategorical dataMissingnessClassGEEDropoutParameter modelAssumptionsData patternsSimulation resultsEstimation
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