2016
Localizing Acute Lower Gastrointestinal Hemorrhage: CT Angiography Versus Tagged RBC Scintigraphy.
Feuerstein J, Ketwaroo G, Tewani S, Cheesman A, Trivella J, Raptopoulos V, Leffler D. Localizing Acute Lower Gastrointestinal Hemorrhage: CT Angiography Versus Tagged RBC Scintigraphy. American Journal Of Roentgenology 2016, 207: 578-84. PMID: 27303989, DOI: 10.2214/ajr.15.15714.Peer-Reviewed Original ResearchConceptsAcute lower gastrointestinal bleedingLower gastrointestinal bleedingLower gastrointestinal hemorrhageCT angiographyRBC scintigraphyScintigraphic scansGastrointestinal bleedingGastrointestinal hemorrhageActive lower gastrointestinal bleedingAcute lower gastrointestinal hemorrhageUtility of CTAAcute kidney injuryBlood transfusion requirementsTertiary care hospitalAverage hospital lengthSite of bleedingActive gastrointestinal bleedingActive bleedingHospital lengthHospital mortalityKidney injuryTransfusion requirementsCare hospitalRetrospective reviewScintigraphic examination
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