2018
Sorafenib prescribed by gastroenterologists and hepatologists for hepatocellular carcinoma
Kaplan DE, Mehta R, D’Addeo K, Valderrama A, Taddei TH. Sorafenib prescribed by gastroenterologists and hepatologists for hepatocellular carcinoma. Medicine 2018, 97: e9757. PMID: 29369224, PMCID: PMC5794408, DOI: 10.1097/md.0000000000009757.Peer-Reviewed Original ResearchConceptsAdvanced hepatocellular carcinomaHepatocellular carcinomaOverall survivalBarcelona Clinic Liver Cancer (BCLC) systemManagement of HCCVeterans Health Administration hospitalsRetrospective cohort studyFirst-line therapySimilar survival outcomesChild-TurcottePugh scoreComorbidity indexChart abstractionCohort studySurvival benefitSystemic therapyBCLC stagePrimary outcomePrescriber typeSurvival outcomesAdministration HospitalMultivariable modelProvider specialtyCancer stagingHCC diagnosis
2017
Healthcare Costs Related to Treatment of Hepatocellular Carcinoma Among Veterans With Cirrhosis in the United States
Kaplan DE, Chapko MK, Mehta R, Dai F, Skanderson M, Aytaman A, Baytarian M, D’Addeo K, Fox R, Hunt K, Pocha C, Valderrama A, Taddei TH, Group V. Healthcare Costs Related to Treatment of Hepatocellular Carcinoma Among Veterans With Cirrhosis in the United States. Clinical Gastroenterology And Hepatology 2017, 16: 106-114.e5. PMID: 28756056, PMCID: PMC5735018, DOI: 10.1016/j.cgh.2017.07.024.Peer-Reviewed Original ResearchConceptsMultivariable generalized linear modelsMultidisciplinary tumor boardHepatocellular carcinomaIntegrated health systemCancer-related costsHealthcare costsLiver transplantationBCLC stageLiver diseaseTumor boardBarcelona Clinic Liver Cancer stageVeterans Affairs Corporate Data WarehouseHealth systemCases of HCCBasis of receiptLiver disease cohortReceipt of transplantationLiver disease etiologyChronic liver diseaseLiver Cancer stageLiver cancer surveillanceBasis of severityHospital academic affiliationCorporate Data WarehouseCirrhosis controlsAssociation of Provider Specialty and Multidisciplinary Care With Hepatocellular Carcinoma Treatment and Mortality
Serper M, Taddei TH, Mehta R, D’Addeo K, Dai F, Aytaman A, Baytarian M, Fox R, Hunt K, Goldberg DS, Valderrama A, Kaplan DE, Group V. Association of Provider Specialty and Multidisciplinary Care With Hepatocellular Carcinoma Treatment and Mortality. Gastroenterology 2017, 152: 1954-1964. PMID: 28283421, PMCID: PMC5664153, DOI: 10.1053/j.gastro.2017.02.040.Peer-Reviewed Original ResearchMeSH KeywordsAgedCarcinoma, HepatocellularChi-Square DistributionDelivery of Health Care, IntegratedFemaleGastroenterologistsHumansKaplan-Meier EstimateLiver NeoplasmsLogistic ModelsMaleMiddle AgedMultivariate AnalysisOdds RatioOncologistsPatient Care TeamPractice Patterns, Physicians'Proportional Hazards ModelsRetrospective StudiesRisk AssessmentRisk FactorsSpecializationSurgeonsTime FactorsTreatment OutcomeUnited StatesUnited States Department of Veterans AffairsConceptsRetrospective cohort studyMultidisciplinary tumor boardHealth system factorsHepatocellular carcinomaHCC therapyCohort studyOverall survivalTumor boardTime-varying Cox proportional hazards modelsCox proportional hazards modelActive hepatocellular carcinomaOutcomes of patientsProportional hazards modelHepatocellular carcinoma treatmentVeterans Administration HospitalSystem factorsLiver transplantationActive therapyLiver resectionTransarterial therapiesMedical oncologistsMultidisciplinary careSubspecialist carePatient survivalAblative therapyIdentifying barriers to hepatocellular carcinoma surveillance in a national sample of patients with cirrhosis
Goldberg DS, Taddei TH, Serper M, Mehta R, Dieperink E, Aytaman A, Baytarian M, Fox R, Hunt K, Pedrosa M, Pocha C, Valderrama A, Kaplan DE. Identifying barriers to hepatocellular carcinoma surveillance in a national sample of patients with cirrhosis. Hepatology 2017, 65: 864-874. PMID: 27531119, DOI: 10.1002/hep.28765.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedCarcinoma, HepatocellularCohort StudiesEarly Detection of CancerFemaleHumansLinear ModelsLiver CirrhosisLiver NeoplasmsMagnetic Resonance ImagingMaleMiddle AgedMultimodal ImagingPopulation SurveillancePrevalenceProportional Hazards ModelsRisk AssessmentSeverity of Illness IndexSex FactorsTomography, X-Ray ComputedUltrasonography, DopplerUnited StatesUnited States Department of Veterans AffairsConceptsHCC surveillanceHepatocellular carcinomaPatients 75 yearsHepatocellular carcinoma surveillancePrimary care physiciansHigh-risk populationVeterans Health AdministrationOverall health care systemVeterans Administration CenterHealth care systemAbdominal ultrasoundCirrhosis patientsPrimary outcomeCare physiciansInverse associationCirrhosis diagnosisLeading causeOdds ratioPercentage of timeSurveillance ratesNumber of visitsHealth AdministrationPatientsCirrhosisCare system
2016
Recalibrating the Child–Turcotte–Pugh Score to Improve Prediction of Transplant-Free Survival in Patients with Cirrhosis
Kaplan DE, Dai F, Skanderson M, Aytaman A, Baytarian M, D’Addeo K, Fox R, Hunt K, Knott A, Mehta R, Pedrosa M, Pocha C, Valderrama A, Taddei T, for the VOCAL Study Group. Recalibrating the Child–Turcotte–Pugh Score to Improve Prediction of Transplant-Free Survival in Patients with Cirrhosis. Digestive Diseases And Sciences 2016, 61: 3309-3320. PMID: 27405990, PMCID: PMC5067291, DOI: 10.1007/s10620-016-4239-6.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedBilirubinCreatinineDisease ProgressionEnd Stage Liver DiseaseEvidence-Based MedicineFemaleHumansInternational Normalized RatioLiver CirrhosisLiver TransplantationMaleMiddle AgedOdds RatioPrognosisProportional Hazards ModelsRetrospective StudiesSerum AlbuminSeverity of Illness IndexUnited StatesVeteransConceptsTransplant-free survivalHarrell's C-statisticC-statisticPugh scoreChild-TurcotteCTP scoreHighest Harrell's C-statisticsCox proportional hazards modelEvidence-based cutpointProportional hazards modelLong-term survivalEtiology subgroupsSerum creatinineVeteran patientsLaboratory variablesRisk ratioTotal bilirubinHazards modelCirrhosisPatientsLower cutpointsDisease etiologySurvivalCutpointsScores
2015
Development and Performance of an Algorithm to Estimate the Child-Turcotte-Pugh Score From a National Electronic Healthcare Database
Kaplan DE, Dai F, Aytaman A, Baytarian M, Fox R, Hunt K, Knott A, Pedrosa M, Pocha C, Mehta R, Duggal M, Skanderson M, Valderrama A, Taddei TH, Group V. Development and Performance of an Algorithm to Estimate the Child-Turcotte-Pugh Score From a National Electronic Healthcare Database. Clinical Gastroenterology And Hepatology 2015, 13: 2333-2341.e6. PMID: 26188137, PMCID: PMC4655141, DOI: 10.1016/j.cgh.2015.07.010.Peer-Reviewed Original ResearchConceptsCTP scoreAdministrative databasesChild-TurcottePugh scoreVeterans Health Administration Corporate Data WarehouseLaboratory dataCox proportional hazards regressionSeverity of ascitesTransplant-free survivalSeverity IndexInternational normalized ratioClinical laboratory valuesHarrell's C-statisticProportional hazards regressionDiseases version 9U.S. Veterans Health AdministrationVeterans Health AdministrationMulticenter collaborative studyLarge administrative databaseLong-term survivalDisease severity scoreValidity of diagnosesCorporate Data WarehouseElectronic healthcare databasesCommon Procedural Terminology