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
2015
Salvage cryotherapy after failed radiofrequency ablation for Barrett’s esophagus–related dysplasia is safe and effective
Sengupta N, Ketwaroo G, Bak D, Kedar V, Chuttani R, Berzin T, Sawhney M, Pleskow D. Salvage cryotherapy after failed radiofrequency ablation for Barrett’s esophagus–related dysplasia is safe and effective. Gastrointestinal Endoscopy 2015, 82: 443-448. PMID: 25887715, DOI: 10.1016/j.gie.2015.01.033.Peer-Reviewed Original ResearchConceptsHigh-grade dysplasiaLow-grade dysplasiaRadiofrequency ablationIntramucosal carcinomaRecurrent dysplasiaEndoscopic therapyIntestinal metaplasiaBE dysplasiaEffective endoscopic therapyEradication of dysplasiaSafety of cryotherapyTertiary care centerBarrett's esophagus dysplasiaRFA sessionsSalvage cryotherapyCohort studySecondary outcomesHiatal herniaSingle centerInitial eradicationRetrospective natureEffective treatmentPatientsCryotherapyDysplasia