2019
Regional and Rural-Urban Differences in the Use of Direct-acting Antiviral Agents for Hepatitis C Virus
Njei B, Esserman D, Krishnan S, Ohl M, Tate JP, Hauser RG, Taddei T, Lim J, Justice AC. Regional and Rural-Urban Differences in the Use of Direct-acting Antiviral Agents for Hepatitis C Virus. Medical Care 2019, 57: 279-285. PMID: 30807449, PMCID: PMC6436819, DOI: 10.1097/mlr.0000000000001071.Peer-Reviewed Original ResearchConceptsDirect-acting antiviral agentsHepatitis C virus infectionVeterans Affairs Healthcare SystemRural-Urban Commuting Area codesCurative HCV treatmentRural-urban designationC virus infectionElectronic health record dataHepatitis C virusPrior treatment experienceLower odds ratioHealth record dataZone improvement plan codeEligible patientsHCV treatmentAntiretroviral medicationsRural-urban residenceLiver diseaseUnadjusted analysesC virusRural-urban differencesOdds ratioMultivariable modelLower incidenceObservational study
2018
Bariatric Surgery and Hepatocellular Carcinoma: a Propensity Score-Matched Analysis
Njei B, McCarty TR, Sharma P, Lange A, Najafian N, Ngu JN, Ngomba VE, Echouffo-Tcheugui JB. Bariatric Surgery and Hepatocellular Carcinoma: a Propensity Score-Matched Analysis. Obesity Surgery 2018, 28: 3880-3889. PMID: 30069863, PMCID: PMC6219901, DOI: 10.1007/s11695-018-3431-5.Peer-Reviewed Original ResearchConceptsBariatric surgeryHepatocellular carcinomaPrevalence ratiosOdds ratioLow prevalenceUnited States Nationwide Inpatient Sample databaseNationwide Inpatient Sample databaseOccurrence of HCCPropensity scorePrior bariatric surgeryHospital mortality rateMorbidly obese patientsAge-adjusted prevalenceMortality odds ratioRisk of deathLength of stayCross-sectional associationsHospital mortalityMorbid obesityBaseline characteristicsObese patientsSecondary outcomesBackgroundThe associationPrimary outcomePatient mortality
2015
Single-operator cholangioscopy and targeted biopsies in the diagnosis of indeterminate biliary strictures: a systematic review
Navaneethan U, Hasan MK, Lourdusamy V, Njei B, Varadarajulu S, Hawes RH. Single-operator cholangioscopy and targeted biopsies in the diagnosis of indeterminate biliary strictures: a systematic review. Gastrointestinal Endoscopy 2015, 82: 608-614.e2. PMID: 26071061, PMCID: PMC4826032, DOI: 10.1016/j.gie.2015.04.030.Peer-Reviewed Original ResearchConceptsMalignant biliary stricturesBiliary stricturesDiagnostic odds ratioIndeterminate biliary stricturesSpyBite biopsiesIntraductal biopsiesPeroral cholangioscopyPooled sensitivitySpyGlass cholangioscopySystematic reviewCholangioscopy-guided biopsyPrevious negative imagingRole of cholangioscopyDiagnosis of CCASingle-operator cholangioscopyTargeted biopsiesEmbase databasesBrush cytologyOdds ratioNegative imagingMAIN OUTCOMEBiopsyCholangioscopyStrictureStandard brushing
2014
Comparative effectiveness of biliary brush cytology and intraductal biopsy for detection of malignant biliary strictures: a systematic review and meta-analysis
Navaneethan U, Njei B, Lourdusamy V, Konjeti R, Vargo JJ, Parsi MA. Comparative effectiveness of biliary brush cytology and intraductal biopsy for detection of malignant biliary strictures: a systematic review and meta-analysis. Gastrointestinal Endoscopy 2014, 81: 168-176. PMID: 25440678, PMCID: PMC4824293, DOI: 10.1016/j.gie.2014.09.017.Peer-Reviewed Original ResearchConceptsMalignant biliary stricturesBiliary stricturesIntraductal biopsiesPooled diagnostic odds ratioDiagnostic odds ratioBrush cytologyOdds ratioComparative effectivenessMalignant-appearing biliary stricturesLow-quality studiesBiliary brush cytologyIndeterminate biliary stricturesReferral centerEmbase databasesEgger's testBiopsyStrictureSystematic reviewPublication biasAnalysis of tissuePooled sensitivityBegg-MazumdarCytologyDiagnostic correlationBrushing