2022
External validation of a model determining risk of neoplastic progression of Barrett’s esophagus in a cohort of U.S. veterans
Nguyen T, Thrift A, Ketwaroo G, Du X, Leon Novelo L, George R, Rosen D, El-Serag H. External validation of a model determining risk of neoplastic progression of Barrett’s esophagus in a cohort of U.S. veterans. Gastrointestinal Endoscopy 2022, 95: 1113-1122. PMID: 34998796, PMCID: PMC9119926, DOI: 10.1016/j.gie.2021.12.034.Peer-Reviewed Original ResearchConceptsHigh-grade dysplasiaHigh-risk groupEsophageal adenocarcinomaBarrett's esophagusBE patientsDiscriminatory abilityHouston Veterans Affairs Medical CenterVeterans Affairs Medical CenterHGD/esophageal adenocarcinomaRetrospective cohort studyExternal validationExternal validation studyInitial EGDCohort studyConsecutive patientsSmoking statusDysplasia statusRisk groupsMedical CenterHigh riskGeneral populationNew diagnosisPatientsClinical practiceBiopsy sampling
2021
Prevalence and Predictors of Missed Dysplasia on Index Barrett’s Esophagus Diagnosing Endoscopy in a Veteran Population
Nguyen T, Thrift A, George R, Rosen D, El-Serag H, Ketwaroo G. Prevalence and Predictors of Missed Dysplasia on Index Barrett’s Esophagus Diagnosing Endoscopy in a Veteran Population. Clinical Gastroenterology And Hepatology 2021, 20: e876-e889. PMID: 33839273, PMCID: PMC8900254, DOI: 10.1016/j.cgh.2021.04.008.Peer-Reviewed Original ResearchConceptsBarrett's esophagusIndex esophagogastroduodenoscopyIndefinite dysplasiaBE diagnosisLong-segment Barrett's esophagusProportion of patientsSegment Barrett's esophagusDysplastic Barrett's esophagusLogistic regression modelsBE lengthDefinite dysplasiaHouston VANDBE patientsClose followInitial biopsyDysplasia surveillanceBE patientsEndoscopic samplingRisk factorsOdds ratioEsophagogastroduodenoscopyRetrospective analysisPatientsVeteran populationDysplasia