2022
Long-term comparative effectiveness of gastric bypass and sleeve gastrectomy on use of antireflux medication: a difference-in-differences analysis
Howard R, Yang J, Thumma J, Arterburn D, Ryan A, Chao G, Telem D, Dimick J. Long-term comparative effectiveness of gastric bypass and sleeve gastrectomy on use of antireflux medication: a difference-in-differences analysis. Surgery For Obesity And Related Diseases 2022, 18: 1033-1041. PMID: 35649735, DOI: 10.1016/j.soard.2022.04.016.Peer-Reviewed Original ResearchConceptsLong-term comparative effectivenessGERD medication useCommon bariatric operationGastric bypassMedication useSleeve gastrectomyAntireflux medicationComparative effectivenessBariatric surgeryBariatric operationsAntireflux medication useInpatient bariatric surgeryLong-term effectivenessGastroesophageal refluxRetrospective studyNational cohortGastrectomyTreatment decisionsMedicare beneficiariesPatientsSurgeryBypassMedicationsGreater reductionDifferential changesComparative effectiveness of sleeve gastrectomy vs Roux-en-Y gastric bypass in patients giving birth after bariatric surgery: reinterventions and obstetric outcomes
Chao G, Yang J, Peahl A, Thumma J, Dimick J, Arterburn D, Telem D. Comparative effectiveness of sleeve gastrectomy vs Roux-en-Y gastric bypass in patients giving birth after bariatric surgery: reinterventions and obstetric outcomes. Surgical Endoscopy 2022, 36: 6954-6968. PMID: 35099628, DOI: 10.1007/s00464-022-09063-7.Peer-Reviewed Original ResearchConceptsAdverse obstetric outcomesGastric bypassObstetric outcomesBariatric surgerySleeve gastrectomyComparative effectivenessRisk of reinterventionLaparoscopic sleeve gastrectomyRetrospective cohort studyMultivariable logistic regressionSignificant differencesCommon procedure todayResultsFrom 2011Reintervention rateBariatric proceduresCohort studyIBM MarketScanNational cohortInverse probability weightingGastrectomyReinterventionRouxSurgeryPatientsBypass
2020
Bariatric Surgery in Medicare Patients
Chao G, Chhabra K, Yang J, Thumma J, Arterburn D, Ryan A, Telem D, Dimick J. Bariatric Surgery in Medicare Patients. Annals Of Surgery 2020, 276: 133-139. PMID: 33214440, PMCID: PMC8126578, DOI: 10.1097/sla.0000000000004526.Peer-Reviewed Original ResearchConceptsBariatric surgeryED utilizationHealthcare utilizationClinical safety outcomesMedicare Evidence DevelopmentBariatric surgery patientsTreatment effectsGastric bypassSurgery patientsMedicare cohortBariatric outcomesMedicare patientsHernia repairMedicare claimsSafety outcomesMedicare beneficiariesComparative effectivenessBypassSurgeryInstrumental variable analysisEvidence developmentReinterventionRehospitalizationComplicationsPatients