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
2020
S1234 Maintaining Continuity of Gastroenterology Services at a Large Private Academic Medical Center During the COVID-19 Pandemic
Sarvepalli S, Hu A, Tran V, Chang B, Lie M, Kumar D, Tong R, Ketwaroo G, Sheikh R, Mansour N. S1234 Maintaining Continuity of Gastroenterology Services at a Large Private Academic Medical Center During the COVID-19 Pandemic. The American Journal Of Gastroenterology 2020, 115: s619-s620. DOI: 10.14309/01.ajg.0000706984.46286.a8.Peer-Reviewed Original Research
2015
Risk Factors for Adverse Outcomes in Patients Hospitalized With Lower Gastrointestinal Bleeding
Sengupta N, Tapper E, Patwardhan V, Ketwaroo G, Thaker A, Leffler D, Feuerstein J. Risk Factors for Adverse Outcomes in Patients Hospitalized With Lower Gastrointestinal Bleeding. Mayo Clinic Proceedings 2015, 90: 1021-1029. PMID: 26141075, PMCID: PMC4770256, DOI: 10.1016/j.mayocp.2015.04.024.Peer-Reviewed Original ResearchConceptsRecurrent lower gastrointestinal bleedingLower gastrointestinal bleedingCharlson Comorbidity Index scoreComorbidity Index scoreActive malignancyRisk factorsGastrointestinal bleedingAdverse outcomesMultivariable Cox proportional hazards regression modelsHigher Charlson Comorbidity Index scoresIndex scoreCox proportional hazards regression modelProportional hazards regression modelsBeth Israel Deaconess Medical CenterProspective observational studyHazards regression modelsAssociation of variablesRecurrent bleedingHospital dischargeConsecutive patientsHospital readmissionObservational studyMedical CenterMortality riskPatients