2024
Collateral Benefit of Systematic Improvement in Bariatric Surgery Outcomes Following a Single Quality Improvement Project for Bleeding
Chao G, Nadzam G, Cheung M, Duffy A, Ghiassi S, Morton J. Collateral Benefit of Systematic Improvement in Bariatric Surgery Outcomes Following a Single Quality Improvement Project for Bleeding. Obesity Surgery 2024, 34: 1041-1044. PMID: 38280157, DOI: 10.1007/s11695-023-07037-9.Peer-Reviewed Original ResearchMeSH KeywordsAnticoagulantsBariatric SurgeryHemorrhageHumansObesity, MorbidPostoperative ComplicationsQuality ImprovementVenous ThromboembolismConceptsQuality improvement projectImprovement projectImprove patient careTargeted quality improvement projectsVenous thromboembolism prophylaxisPatient careRoot cause analysisBariatric surgery outcomesIndications conferencePatient outcomesPostoperative complicationsThromboembolism prophylaxisSurgery outcomesStudy aimCause analysisAdverse outcomesBleedingImprove outcomesOutcomesTechnique standardization
2023
The Degree of Preoperative Hypoalbuminemia Is Associated with Risk of Postoperative Complications in Metabolic and Bariatric Surgery Patients
Ying L, Chao G, Canner J, Graetz E, Ghiassi S, Schwartz J, Zolfaghari E, Schneider E, Gibbs K. The Degree of Preoperative Hypoalbuminemia Is Associated with Risk of Postoperative Complications in Metabolic and Bariatric Surgery Patients. Obesity Surgery 2023, 34: 51-70. PMID: 37994997, DOI: 10.1007/s11695-023-06944-1.Peer-Reviewed Original ResearchMeSH KeywordsBariatric SurgeryGastrectomyGastric BypassHumansHypoalbuminemiaObesity, MorbidPostoperative ComplicationsRetrospective StudiesTreatment OutcomeConceptsBariatric surgery patientsPostoperative complicationsOdds ratioRevision patientsSurgery patientsRevision surgeryIntensive care unit admissionQuality Improvement Program databaseDegree of hypoalbuminemiaImpact of hypoalbuminemiaPrevalence of hypoalbuminemiaCare unit admissionLaparoscopic sleeve gastrectomyGastric bypass patientsImprovement Program databaseBody mass indexInsulin-dependent diabetesMultivariable logistic regressionAnesthesia classMild hypoalbuminemiaPreoperative hypoalbuminemiaUnit admissionUnplanned intubationPrimary surgerySleeve gastrectomy
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 ResearchMeSH KeywordsBariatric SurgeryGastrectomyGastric BypassHumansLaparoscopyObesity, MorbidPostoperative ComplicationsPrevalenceRetrospective StudiesTreatment OutcomeWeight LossConceptsPreoperative 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-squarePositivity
2021
Comparative Safety of Sleeve Gastrectomy and Gastric Bypass Up to 5 Years After Surgery in Patients With Severe Obesity
Howard R, Chao G, Yang J, Thumma J, Chhabra K, Arterburn D, Ryan A, Telem D, Dimick J. Comparative Safety of Sleeve Gastrectomy and Gastric Bypass Up to 5 Years After Surgery in Patients With Severe Obesity. JAMA Surgery 2021, 156: 1160-1169. PMID: 34613354, PMCID: PMC8495604, DOI: 10.1001/jamasurg.2021.4981.Peer-Reviewed Original ResearchConceptsAdjusted hazard ratioSleeve gastrectomyGastric bypassRisk of mortalityCumulative incidenceLong-term riskBariatric surgerySurgical revisionComparative safetyMAIN OUTCOMEUnknown raceLower long-term riskHigher long-term riskUnderwent sleeve gastrectomyRetrospective cohort studyEmergency department useHealth care useLong-term safetyMedicare claims databaseTotal health care spendingCause hospitalizationLaparoscopic RouxCohort studyHazard ratioSecondary outcomesVenous thromboembolism: risk factors in the sleeve gastrectomy era
Chao G, Montgomery J, Abou Azar S, Telem D. Venous thromboembolism: risk factors in the sleeve gastrectomy era. Surgery For Obesity And Related Diseases 2021, 17: 1905-1911. PMID: 34389247, DOI: 10.1016/j.soard.2021.06.022.Peer-Reviewed Original ResearchMeSH KeywordsBariatric SurgeryGastrectomyHumansMalePostoperative ComplicationsRisk FactorsVenous ThromboembolismConceptsHistory of VTEPostoperative venous thromboembolismBody mass indexVenous thromboembolismRisk factorsBlack patientsPreoperative body mass indexHigh-risk patientsBariatric Surgery AccreditationMultivariable logistic regressionVenous stasis diseaseQuality Improvement ProgramProlonged prophylaxisBariatric surgeryMultivariable analysisOperative timeMass indexOperative lengthProcedure typeWhite racePrevious historyPatientsSurgery dataLogistic regressionHealth equityComment on: Unequal rates of postoperative complications in relatively healthy bariatric surgical patients of White and Black race
Chao G, Guerra M, Jean R. Comment on: Unequal rates of postoperative complications in relatively healthy bariatric surgical patients of White and Black race. Surgery For Obesity And Related Diseases 2021, 17: e38-e39. PMID: 34090819, DOI: 10.1016/j.soard.2021.05.016.Peer-Reviewed Original ResearchMeSH KeywordsBariatric SurgeryBariatricsBlack or African AmericanHumansObesity, MorbidPostoperative Complications
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 developmentReinterventionRehospitalizationComplicationsPatientsComparative Safety of Sleeve Gastrectomy and Gastric Bypass
Chhabra K, Telem D, Chao G, Arterburn D, Yang J, Thumma J, Ryan A, Blumenthal B, Dimick J. Comparative Safety of Sleeve Gastrectomy and Gastric Bypass. Annals Of Surgery 2020, 275: 539-545. PMID: 33201113, DOI: 10.1097/sla.0000000000004297.Peer-Reviewed Original ResearchMeSH KeywordsAdultCohort StudiesFemaleGastrectomyGastric BypassHumansMaleMiddle AgedObesity, MorbidPostoperative ComplicationsConceptsSleeve gastrectomyGastric bypassBariatric surgeryIBM MarketScanLarge cohortCommon bariatric operationBariatric surgery patientsSelection biasSuperior safety profileLong-term safetyOverall healthcare spendingGastroesophageal refluxSurgery patientsBariatric operationsSafety profileComparative safetyGastrectomyBACKGROUND DATAHigh riskInternational ClassificationPatientsSurgeryPayer decisionsBypassProcedural TerminologyPerioperative risks of bariatric surgery among patients with and without history of solid organ transplant
Montgomery JR, Cohen JA, Brown CS, Sheetz KH, Chao GF, Waits SA, Telem DA. Perioperative risks of bariatric surgery among patients with and without history of solid organ transplant. American Journal Of Transplantation 2020, 20: 2530-2539. PMID: 32243667, PMCID: PMC7838764, DOI: 10.1111/ajt.15883.Peer-Reviewed Original ResearchMeSH KeywordsBariatric SurgeryGastrectomyGastric BypassHumansLaparoscopyObesity, MorbidOrgan TransplantationPostoperative ComplicationsRetrospective StudiesTreatment OutcomeConceptsGlomerular filtration rateBariatric surgeryPrevious transplantSurgical complicationsPrimary outcomeMedical complicationsPatient populationFiltration rateLaparoscopic sleeve gastrectomySolid organ transplantsGastric bypass proceduresIncidence of deathLimited case seriesMultivariable logistic regressionIntraabdominal leakUnplanned reoperationDay readmissionInfectious complicationsPerioperative riskSleeve gastrectomyTransplant patientsBariatric proceduresPerioperative safetyIndividual complicationsCase series
2018
Revised cardiac risk index poorly predicts cardiovascular complications after adhesiolysis for small bowel obstruction
Asuzu DT, Chao GF, Pei KY. Revised cardiac risk index poorly predicts cardiovascular complications after adhesiolysis for small bowel obstruction. Surgery 2018, 164: 1198-1203. PMID: 29945781, DOI: 10.1016/j.surg.2018.05.012.Peer-Reviewed Original ResearchConceptsCardiac Risk IndexSmall bowel obstructionCardiovascular complicationsBowel obstructionRisk calculatorNational Surgical Quality Improvement Program risk calculatorNational Surgical Quality Improvement Program datasetSurgeons National Surgical Quality Improvement ProgramNational Surgical Quality Improvement ProgramSurgical Quality Improvement ProgramCardiac risk evaluationLarge surgical samplesPreoperative cardiac evaluationPreoperative risk stratificationNumber of patientsUnivariable logistic regressionQuality Improvement ProgramRisk indexSurgical subgroupsCardiac complicationsCardiac evaluationCardiac eventsLaparoscopic adhesiolysisSurgical patientsPreoperative testingExtensive Thrombus and Brain Microabscesses After Sleeve Gastrectomy.
Chao G, Hirji S, Shikora S. Extensive Thrombus and Brain Microabscesses After Sleeve Gastrectomy. Journal Of Radiology Case Reports 2018, 12: 10-17. PMID: 29875989, PMCID: PMC5965401, DOI: 10.3941/jrcr.v12i3.3227.Peer-Reviewed Original ResearchConceptsSleeve gastrectomyNew bariatric surgical procedureRight common iliac veinMultifocal brain abscessesLaparoscopic sleeve gastrectomyPortal vein thrombosisBariatric surgical proceduresCommon iliac veinStaple line leakBrain microabscessesSleeve strictureSeptic emboliBariatric surgeryExtensive thrombusBrain abscessesComplication rateVein thrombosisDangerous complicationIliac veinSurgical proceduresGastrectomyThrombosisAbscessComplicationsHemorrhage