2024
Identification of hepatic steatosis among persons with and without HIV using natural language processing
Torgersen J, Skanderson M, Kidwai-Khan F, Carbonari D, Tate J, Park L, Bhattacharya D, Lim J, Taddei T, Justice A, Re V. Identification of hepatic steatosis among persons with and without HIV using natural language processing. Hepatology Communications 2024, 8: e0468. PMID: 38896066, PMCID: PMC11186806, DOI: 10.1097/hc9.0000000000000468.Peer-Reviewed Original ResearchConceptsImaging ReportingSteatotic liver diseaseHIV statusHepatic steatosisPrevalence of metabolic comorbiditiesImaging studiesVeterans Aging Cohort StudyCompare patient characteristicsPositive predictive valueAlcohol use disorderAging Cohort StudyIdentification of hepatic steatosisHIV infectionHepatitis BMetabolic comorbiditiesNatural language processing algorithmsRadiological studiesCohort studyPatient characteristicsClinical reviewLiver diseaseHIVPredictive valueUse disorderClinical image reports
2023
Performance of an automated deep learning algorithm to identify hepatic steatosis within noncontrast computed tomography scans among people with and without HIV
Torgersen J, Akers S, Huo Y, Terry J, Carr J, Ruutiainen A, Skanderson M, Levin W, Lim J, Taddei T, So‐Armah K, Bhattacharya D, Rentsch C, Shen L, Carr R, Shinohara R, McClain M, Freiberg M, Justice A, Re V. Performance of an automated deep learning algorithm to identify hepatic steatosis within noncontrast computed tomography scans among people with and without HIV. Pharmacoepidemiology And Drug Safety 2023, 32: 1121-1130. PMID: 37276449, PMCID: PMC10527049, DOI: 10.1002/pds.5648.Peer-Reviewed Original ResearchMeSH KeywordsCross-Sectional StudiesDeep LearningFatty LiverHIV InfectionsHumansRetrospective StudiesTomography, X-Ray ComputedConceptsSevere hepatic steatosisHepatic steatosisHIV statusLiver attenuationHounsfield unitsPredictive valueRadiologist assessmentUS Veterans Health AdministrationNoncontrast abdominal CTVeterans Health AdministrationCross-sectional studySample of patientsNegative predictive valueReal-world studyPositive predictive valueAbdominal CTLiver fatTomography scanSteatosisCT imagesHealth AdministrationPharmacoepidemiologic studiesRadiologist reviewHIVPercent agreement
2020
Brief Report: Accuracy of FIB-4 for Cirrhosis in People Living With HIV and Hepatocellular Carcinoma.
Torgersen J, Kallan MJ, Carbonari DM, Park LS, Mehta RL, D'Addeo K, Tate JP, Lim JK, Goetz MB, Rodriguez-Barradas MC, Bräu N, Brown ST, Taddei TH, Justice AC, Lo Re V. Brief Report: Accuracy of FIB-4 for Cirrhosis in People Living With HIV and Hepatocellular Carcinoma. JAIDS Journal Of Acquired Immune Deficiency Syndromes 2020, 85: 530-534. PMID: 33185999, PMCID: PMC8353543, DOI: 10.1097/qai.0000000000002510.Peer-Reviewed Original ResearchConceptsSetting of HCCFIB-4Receiver-operating characteristic curveHepatocellular carcinomaHCC diagnosisPredictive valueVeterans Aging Cohort StudyEvidence of cirrhosisSetting of HIVAbsence of cirrhosisFIB-4 scoreFibrosis-4 indexIncident hepatocellular carcinomaMedical record reviewPrevalence of cirrhosisAging Cohort StudyCross-sectional studyCharacteristic curveNegative predictive valuePositive predictive valueCirrhosis statusCohort studyMechanisms of carcinogenesisRecord reviewPlatelet countDifferences in Pathology, Staging, and Treatment between HIV+ and Uninfected Patients with Microscopically Confirmed Hepatocellular Carcinoma
Torgersen J, Taddei TH, Park LS, Carbonari DM, Kallan MJ, Richards K, Zhang X, Jhala D, Bräu N, Homer R, D'Addeo K, Mehta R, Skanderson M, Kidwai-Khan F, Justice AC, Re V. Differences in Pathology, Staging, and Treatment between HIV+ and Uninfected Patients with Microscopically Confirmed Hepatocellular Carcinoma. Cancer Epidemiology Biomarkers & Prevention 2020, 29: 71-78. PMID: 31575557, PMCID: PMC6980754, DOI: 10.1158/1055-9965.epi-19-0503.Peer-Reviewed Original ResearchMeSH KeywordsAblation TechniquesCarcinoma, HepatocellularFemaleHepatectomyHIV InfectionsHospitals, VeteransHumansImmunologic SurveillanceKaplan-Meier EstimateLiverLiver CirrhosisLiver NeoplasmsLiver TransplantationMaleMiddle AgedNeoplasm StagingRetrospective StudiesRisk FactorsTreatment OutcomeUnited StatesConceptsBarcelona Clinic Liver Cancer stageHIV statusHepatocellular carcinomaUninfected patientsHIV infectionTumor characteristicsUninfected personsPathology reportsVeterans Aging Cohort StudyLiver tissue samplingCohort of HIVMultivariable Cox regressionAdvanced hepatic fibrosisAging Cohort StudyLiver Cancer stageRisk of deathBackground hepatic parenchymaCohort studyHazard ratioLymphovascular invasionBCLC stageImproved survivalCox regressionHistologic featuresHepatic fibrosis
2019
HIV RNA, CD4+ Percentage, and Risk of Hepatocellular Carcinoma by Cirrhosis Status
Torgersen J, Kallan MJ, Carbonari DM, Park LS, Mehta RL, D’Addeo K, Tate JP, Lim JK, Goetz MB, Rodriguez-Barradas MC, Gibert CL, Bräu N, Brown ST, Roy JA, Taddei TH, Justice AC, Re V. HIV RNA, CD4+ Percentage, and Risk of Hepatocellular Carcinoma by Cirrhosis Status. Journal Of The National Cancer Institute 2019, 112: 747-755. PMID: 31687755, PMCID: PMC7357318, DOI: 10.1093/jnci/djz214.Peer-Reviewed Original ResearchConceptsRisk of HCCHigher HIV RNAHCC risk factorsHIV RNAHIV viremiaHepatocellular carcinomaBaseline cirrhosisCirrhosis statusCohort studyRisk factorsCell percentageVeterans Aging Cohort StudyDevelopment of HCCCurrent HIV RNADetectable HIV viremiaHepatitis C coinfectionAging Cohort StudyDiagnosis of cirrhosisLonger durationDetectable HIVLow CD4C coinfectionCurrent CD4Hazard ratioCancer RegistryComparison of the prevalence, severity, and risk factors for hepatic steatosis in HIV-infected and uninfected people
Torgersen J, So-Armah K, Freiberg MS, Goetz MB, Budoff MJ, Lim JK, Taddei T, Butt AA, Rodriguez-Barradas MC, Justice AC, Kostman JR, Lo Re V. Comparison of the prevalence, severity, and risk factors for hepatic steatosis in HIV-infected and uninfected people. BMC Gastroenterology 2019, 19: 52. PMID: 30987601, PMCID: PMC6466708, DOI: 10.1186/s12876-019-0969-1.Peer-Reviewed Original ResearchConceptsAdvanced hepatic fibrosisSeverity of steatosisHepatic steatosisHIV infectionHIV statusHepatic fibrosisLiver attenuationCardiovascular diseaseSteatosis severityUninfected individualsGreater severityVeterans Aging Cohort StudyNoncontrast abdominal CTAging Cohort StudySpleen attenuation ratioHepatic steatosis severityCross-sectional studyMultivariable linear regressionUninfected participantsAntiretroviral therapyCohort studyAbdominal CTUninfected personsOverall prevalenceRisk factors
2016
HIV, Aging, and Viral Coinfections: Taking the Long View
Taddei TH, Re V, Justice AC. HIV, Aging, and Viral Coinfections: Taking the Long View. Current HIV/AIDS Reports 2016, 13: 269-278. PMID: 27614654, DOI: 10.1007/s11904-016-0327-7.Books