2023
The Association Between Homelessness and Key Liver-Related Outcomes in Veterans With Cirrhosis
Pulaski M, Bittermann T, Taddei T, Kaplan D, Mahmud N. The Association Between Homelessness and Key Liver-Related Outcomes in Veterans With Cirrhosis. The American Journal Of Gastroenterology 2023, 119: 297-305. PMID: 37782293, DOI: 10.14309/ajg.0000000000002535.Peer-Reviewed Original ResearchInverse probability treatmentCause mortalityCohort studyCox regressionHepatocellular carcinomaProbability treatmentVeterans Health Administration patientsLiver-related outcomesTime-updated variablesLiver-related mortalityRetrospective cohort studyCause-specific mortality analysesVeterans Health AdministrationRisk regression modelsCirrhosis decompensationCirrhosis diagnosisPatient outcomesPatientsHomeless patientsHealth AdministrationMortality analysisCirrhosisMortalityDrivers of mortalityDecompensation
2022
Nonselective beta blockers, hepatic decompensation, and mortality in cirrhosis: A national cohort study
Serper M, Kaplan DE, Taddei TH, Tapper EB, Cohen JB, Mahmud N. Nonselective beta blockers, hepatic decompensation, and mortality in cirrhosis: A national cohort study. Hepatology 2022, 77: 489-500. PMID: 35984731, PMCID: PMC9877112, DOI: 10.1002/hep.32737.Peer-Reviewed Original ResearchConceptsNonselective beta blockersSelective beta blockersLiver-related mortalityHepatic decompensationBeta blockersCTP classPlatelet countSubgroup analysisLiver disease etiologyLower hazardNational cohort studyNew-user designInverse probability treatmentRoutine clinical settingPrior decompensationViremia statusChild-TurcotteHCV viremiaClinical confoundersComposite outcomeCohort studyPrimary outcomeActive comparatorNational cohortDecompensationThe Association Between Proton Pump Inhibitor Exposure and Key Liver-Related Outcomes in Patients With Cirrhosis: A Veterans Affairs Cohort Study
Mahmud N, Serper M, Taddei TH, Kaplan DE. The Association Between Proton Pump Inhibitor Exposure and Key Liver-Related Outcomes in Patients With Cirrhosis: A Veterans Affairs Cohort Study. Gastroenterology 2022, 163: 257-269.e6. PMID: 35398042, PMCID: PMC10020994, DOI: 10.1053/j.gastro.2022.03.052.Peer-Reviewed Original ResearchConceptsLiver-related mortalityPPI exposureGastrointestinal bleedingCause mortalityProton pump inhibitor exposurePrior gastrointestinal bleedingTime-updated variablesCause-specific mortality analysesLarge national cohortVeterans Health AdministrationRisk of infectionCardiovascular comorbiditiesPPI useCohort studyStatin exposureCox regressionRetrospective studyAdverse outcomesAppropriate indicationsNational cohortInhibitor exposureSevere infectionsCirrhosis diagnosisAdditional adjustmentAdjusted model
2021
Male Sex Is Associated With Higher Rates of Liver‐Related Mortality in Primary Biliary Cholangitis and Cirrhosis
John BV, Aitcheson G, Schwartz KB, Khakoo NS, Dahman B, Deng Y, Goldberg D, Martin P, Taddei T, Levy C, Kaplan DE. Male Sex Is Associated With Higher Rates of Liver‐Related Mortality in Primary Biliary Cholangitis and Cirrhosis. Hepatology 2021, 74: 879-891. PMID: 33636012, DOI: 10.1002/hep.31776.Peer-Reviewed Original ResearchConceptsPrimary biliary cholangitisLiver-related deathHepatocellular carcinomaBiliary cholangitisMale sexTime-updated Cox proportional hazards modelsCox proportional hazards modelUrsodeoxycholic acid responseLiver-related mortalityHigher unadjusted ratesRisk of deathVeterans Health AdministrationProportional hazards modelAssociation of sexImpact of sexPBC cirrhosisMale patientsUnadjusted ratesWorse outcomesTotal bilirubinCirrhosisLarge cohortHigh riskHazards modelTransplantationImpact of Obeticholic acid Exposure on Decompensation and Mortality in Primary Biliary Cholangitis and Cirrhosis
John BV, Schwartz K, Levy C, Dahman B, Deng Y, Martin P, Taddei TH, Kaplan DE. Impact of Obeticholic acid Exposure on Decompensation and Mortality in Primary Biliary Cholangitis and Cirrhosis. Hepatology Communications 2021, 5: 1426-1436. PMID: 34430786, PMCID: PMC8369937, DOI: 10.1002/hep4.1720.Peer-Reviewed Original ResearchPrimary biliary cholangitisLiver-related mortalityHepatic decompensationOCA useOCA usersPBC cirrhosisObeticholic acidPropensity score modelBiliary cholangitisScore modelRetrospective cohort studySerious liver injuryTreatment of patientsEffect of treatmentCohort studyPartial respondersLiver injuryMultivariable analysisPotential confoundersC-statisticUS veteransUrsodeoxycholic acidBaseline riskCirrhosisDecompensationUrsodeoxycholic Acid Response Is Associated With Reduced Mortality in Primary Biliary Cholangitis With Compensated Cirrhosis
John BV, Khakoo NS, Schwartz KB, Aitchenson G, Levy C, Dahman B, Deng Y, Goldberg DS, Martin P, Kaplan DE, Taddei TH. Ursodeoxycholic Acid Response Is Associated With Reduced Mortality in Primary Biliary Cholangitis With Compensated Cirrhosis. The American Journal Of Gastroenterology 2021, 116: 1913-1923. PMID: 33989225, PMCID: PMC8410631, DOI: 10.14309/ajg.0000000000001280.Peer-Reviewed Original ResearchConceptsLiver-related deathPrimary biliary cholangitisUDCA responseHepatic decompensationHepatocellular carcinomaUrsodeoxycholic acidUDCA respondersPortal hypertensionPartial respondersBiliary cholangitisTime-updated Cox proportional hazards modelsCox proportional hazards modelUrsodeoxycholic acid responseLiver-related mortalityRetrospective cohort studyProportional hazards modelPBC cirrhosisCompensated cirrhosisCohort studyMale patientsClinical benefitUnadjusted ratesCirrhosisReduced mortalityDecompensation
2012
Cholesterol and nonalcoholic fatty liver disease: Renewed focus on an old villain
Kerr T, Davidson N, Groszmann R, Iwakiri Y, Taddei T. Cholesterol and nonalcoholic fatty liver disease: Renewed focus on an old villain. Hepatology 2012, 56: 1995-1998. PMID: 23115010, PMCID: PMC3627394, DOI: 10.1002/hep.26088.Peer-Reviewed Original ResearchHMG-CoA reductasePhosphorylation of HMG-CoA reductaseExpression of cholesterol metabolism genesHMG-CoA reductase expressionDysregulated cholesterol metabolismFree cholesterolCholesterol metabolism genesHistological severity of NAFLDMetabolic genesAMP kinaseCoA reductaseLDL receptor expressionCholesterol ester hydrolaseDecreased phosphorylationDisease phenotypeLiver-related mortalitySeverity of NAFLDCholesterol metabolismEster hydrolaseCholesterol synthesisNonalcoholic fatty liver diseaseACAT-2Fatty liver diseaseSirtuin 1Receptor expression