2022
The role of preoperative toxicology screening in patients undergoing bariatric surgery
Chao G, Ying L, Chan S, Alturki N, Aravind P, Thaqi M, Mahmoud A, Morton J. The role of preoperative toxicology screening in patients undergoing bariatric surgery. Surgery For Obesity And Related Diseases 2022, 19: 187-193. PMID: 36443215, DOI: 10.1016/j.soard.2022.10.021.Peer-Reviewed Original ResearchConceptsPreoperative lengthBariatric surgeryToxicology testingWeight lossBariatric surgical populationBody mass indexImportant surgical outcomesAcademic health systemGastric bypassLack of evidenceSurgical populationPostoperative outcomesRetrospective reviewMass indexSurgical outcomesUrine testingPositivity rateMean changePositive testingPatientsNegative testingReadmissionHealth systemChi-squarePositivityVariation in pre-operative insurance requirements for bariatric surgery
Gomez-Rexrode A, Chhabra K, Telem D, Chao G. Variation in pre-operative insurance requirements for bariatric surgery. Surgical Endoscopy 2022, 36: 8358-8363. PMID: 35513536, DOI: 10.1007/s00464-022-09293-9.Peer-Reviewed Original ResearchConceptsBariatric surgeryInsurance typePoisson regressionInsurance plan typeBariatric surgery programLife-saving interventionsCross-sectional assessmentPlan typeBackgroundFor patientsSecondary outcomesPrimary outcomeU.S. Census regionSurgery programMedicaid plansPatientsSurgeryWeight lossMedicaidNumber of monthsInsurance plansCommercial plansCensus regionGreater frequencyInsurance requirementsGreater numberMedication Use for Obesity-Related Comorbidities After Sleeve Gastrectomy or Gastric Bypass
Howard R, Chao G, Yang J, Thumma J, Arterburn D, Telem D, Dimick J. Medication Use for Obesity-Related Comorbidities After Sleeve Gastrectomy or Gastric Bypass. JAMA Surgery 2022, 157: 248-256. PMID: 35019988, PMCID: PMC8756362, DOI: 10.1001/jamasurg.2021.6898.Peer-Reviewed Original ResearchConceptsTime of surgeryGastric bypassMedication discontinuationSleeve gastrectomyCumulative incidenceMedication useHyperlipidemia medicationsComorbidity resolutionLower incidenceCommon bariatric surgical proceduresLipid-lowering medication useComparative effectiveness research studyAdult Medicare beneficiariesDiabetes medication useAntihypertensive medication useLipid-lowering medicationsBariatric surgical proceduresSubset of patientsLong-term trialsAntihypertensive medicationsDiabetes medicationsLaparoscopic RouxBariatric surgeryPrimary outcomeMean ageComparative 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 weightingGastrectomyReinterventionRouxSurgeryPatientsBypassUnderstanding Racially Diverse Community Member Views of Obesity Stigma and Bariatric Surgery
Chao G, Diaz A, Ghaferi A, Dimick J, Byrnes M. Understanding Racially Diverse Community Member Views of Obesity Stigma and Bariatric Surgery. Obesity Surgery 2022, 32: 1216-1226. PMID: 35088253, PMCID: PMC8794039, DOI: 10.1007/s11695-022-05928-x.Peer-Reviewed Original ResearchQuestioning the legitimacy of bariatric surgery: a qualitative analysis of individuals from the community who qualify for bariatric surgery
Chao G, Diaz A, Ghaferi A, Dimick J, Byrnes M. Questioning the legitimacy of bariatric surgery: a qualitative analysis of individuals from the community who qualify for bariatric surgery. Surgical Endoscopy 2022, 36: 6733-6741. PMID: 34981224, PMCID: PMC8722749, DOI: 10.1007/s00464-021-08949-2.Peer-Reviewed Original ResearchMeSH KeywordsBariatric SurgeryFemaleHispanic or LatinoHumansMaleObesityObesity, MorbidQualitative ResearchWeight LossConceptsBariatric surgeryMedical treatmentWeight loss requirementsInterpretive description frameworkNIH criteriaMajority of participantsDurable therapySurgeryMajority of individualsHealthcare providersDiverse cohortDescriptive studyWeight lossFirst qualitative studyPacific IslandersTreatmentQualitative studyParticipantsDoctorsImportant contributorFinal themeIndividualsObesityPatientsMajor themes
2021
Association Between Validated Psychometric Scales and Follow-up Rates After Bariatric Surgery
Chao G, Bonham A, Stricklen A, Ross R, Ghaferi A. Association Between Validated Psychometric Scales and Follow-up Rates After Bariatric Surgery. Obesity Surgery 2021, 31: 5092-5095. PMID: 34494231, DOI: 10.1007/s11695-021-05705-2.Peer-Reviewed Original ResearchFinancial Incentives to Improve Patient Follow-up and Weight Loss After Bariatric Surgery
Chao G, Kullgren J, Ross R, Bonham A, Ghaferi A. Financial Incentives to Improve Patient Follow-up and Weight Loss After Bariatric Surgery. Annals Of Surgery 2021, 277: e70-e77. PMID: 34171878, DOI: 10.1097/sla.0000000000005013.Peer-Reviewed Original ResearchMeSH KeywordsBariatric SurgeryBody Mass IndexFollow-Up StudiesHumansMotivationObesity, MorbidWeight LossConceptsExcess weight lossBariatric surgeryWeight lossSurgery datePercent excess weight lossPostoperative months 1Financial incentive programsBody mass indexGreater weight lossPostintervention patientsPractice patientsPostoperative appointmentsContemporary patientsMass indexMonths 1Control practicesHistoric patientsPatientsSurgeryControl groupHealth outcomesHistoric groupPrior visitMonthsSignificant differencesPatient-reported Comorbidity Assessment After Bariatric Surgery
Chao G, Bonham A, Ross R, Stricklen A, Ghaferi A. Patient-reported Comorbidity Assessment After Bariatric Surgery. Annals Of Surgery 2021, 276: e792-e797. PMID: 33914479, DOI: 10.1097/sla.0000000000004841.Peer-Reviewed Original ResearchConceptsGastroesophageal reflux diseaseObstructive sleep apneaComorbidity assessmentPostoperative questionnaireBariatric surgerySleep apneaBariatric surgery patientsMedical chart auditLong-term outcomesLong-term efficacyCross-sectional studyPostoperative comorbiditiesGastric bypassReflux diseasePatient comorbiditiesSurgery patientsSurgical patientsChart auditPatient reportsBACKGROUND DATAComorbiditiesPatientsResponse rateΚ statisticMean difference
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