2023
Laparoscopic Adjustable Gastric Band Colonization May Indicate Re-classification of Surgical Wounds
Ichter Z, Khoury H, Voller L, Deb S, Morton J. Laparoscopic Adjustable Gastric Band Colonization May Indicate Re-classification of Surgical Wounds. Obesity Surgery 2023, 34: 282-285. PMID: 37946013, DOI: 10.1007/s11695-023-06790-1.Peer-Reviewed Original ResearchConceptsSurgical site infectionRetrospective chart reviewGastric band removalLAGB removalChart reviewSite infectionSurgical woundsBand removalClean woundsLaparoscopic adjustable gastric band removalRate of SSIMethodsThis retrospective chart reviewSurgical site infection developmentCommon bariatric proceduresLaparoscopic bariatric surgerySource of morbidityHospital-acquired conditionsOutcomes of interestCoagulase-negative staphylococciBariatric surgeryDirty woundsBariatric proceduresGastric bandGastrointestinal tractPatients
2022
Beyond 5 years: a matched cohort of sleeve gastrectomy versus gastric bypass
Blevins KS, Garcia L, Forrester JD, Morton JM, Azagury DE. Beyond 5 years: a matched cohort of sleeve gastrectomy versus gastric bypass. Surgery For Obesity And Related Diseases 2022, 18: 789-793. PMID: 35484048, DOI: 10.1016/j.soard.2022.03.008.Peer-Reviewed Original ResearchMeSH KeywordsGastrectomyGastric BypassHumansLaparoscopyObesity, MorbidRetrospective StudiesTreatment OutcomeWeight LossConceptsLaparoscopic sleeve gastrectomyLSG patientsLRYGB patientsBody mass indexBody weight lossWeight lossGastric bypassSleeve gastrectomyMass indexExcess body weight lossPreoperative body mass indexShort-term favorable outcomesTotal body weight lossExcellent short-term outcomesLong-term weight lossCommon bariatric surgeryLong-term followShort-term outcomesLaparoscopic RouxAverage followBariatric surgeryLess weight lossPreoperative differencesPrimary outcomeIntestinal anatomy
2021
The Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program bariatric surgical risk/benefit calculator: 30-day risk
Grieco A, Huffman KM, Cohen ME, Hall BL, Morton JM, Ko CY. The Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program bariatric surgical risk/benefit calculator: 30-day risk. Surgery For Obesity And Related Diseases 2021, 17: 1117-1124. PMID: 33773930, DOI: 10.1016/j.soard.2021.02.005.Peer-Reviewed Original ResearchConceptsBariatric Surgery AccreditationLaparoscopic adjustable gastric bandCo-morbidity remissionLaparoscopic sleeve gastrectomyAdjustable gastric bandSurgical care teamQuality Improvement ProgramLogistic regression modelsClinical data registryMBSAQIP dataLaparoscopic RouxBariatric surgeryBiliopancreatic diversionGastric bandGastric bypassSleeve gastrectomyAdult patientsDuodenal switchPostoperative riskRisk calculatorCare teamAmerican CollegeData registryExcellent calibrationRisk features
2020
Correlating actual one-year weight loss with predicted weight loss by the MBSAQIP: bariatric surgical risk/benefit calculator
Zhou R, Ying L, Valle J, Moore J, Nadzam G, Roberts K, Ghiassi S, Morton J, Duffy A. Correlating actual one-year weight loss with predicted weight loss by the MBSAQIP: bariatric surgical risk/benefit calculator. Surgical Endoscopy 2020, 35: 5705-5708. PMID: 32968922, DOI: 10.1007/s00464-020-08030-4.Peer-Reviewed Original ResearchMeSH KeywordsBariatric SurgeryBody Mass IndexHumansObesityObesity, MorbidRetrospective StudiesRisk AssessmentTreatment OutcomeWeight LossConceptsHigher preoperative BMIBariatric surgeryWeight lossActual weight lossPreoperative BMIOne-year weight lossYale-New Haven HospitalNational databasePatient preoperative informationMethodsA retrospective reviewBody mass indexBackgroundThe American SocietyNew Haven HospitalUnpaired t-testObese patientsPatient factorsRetrospective reviewMass indexPreoperative discussionPreoperative informationBMI pointsBMIPatientsInformed consentSurgery
2019
Assessment of obesity prevalence and validity of obesity diagnoses coded in claims data for selected surgical populations
Ammann EM, Kalsekar I, Yoo A, Scamuffa R, Hsiao CW, Stokes AC, Morton JM, Johnston SS. Assessment of obesity prevalence and validity of obesity diagnoses coded in claims data for selected surgical populations. Medicine 2019, 98: e16438. PMID: 31335698, PMCID: PMC6709187, DOI: 10.1097/md.0000000000016438.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedArthroplasty, Replacement, KneeBariatric SurgeryBody Mass IndexCatheter AblationClinical CodingElectronic Health RecordsFemaleHerniorrhaphyHumansMaleMiddle AgedObesityOutcome Assessment, Health CarePatient SelectionPrevalencePrognosisReproducibility of ResultsRetrospective StudiesUnited StatesConceptsBody mass indexPositive predictive valueBariatric surgeryDiagnosis codesElectronic health recordsSurgical populationClaims dataHernia repairObesity diagnosisPrognostic factorsSurgical outcomesInterpretation of studiesCardiac ablationPatient body mass indexMeasured body mass indexHigh positive predictive valueImportant prognostic factorType of surgeryAdministrative healthcare dataAdministrative claims dataFalse positive patientsPatient ageMass indexPatient selectionIndex procedurePreoperative weight loss: is waiting longer before bariatric surgery more effective?
Eng V, Garcia L, Khoury H, Morton J, Azagury D. Preoperative weight loss: is waiting longer before bariatric surgery more effective? Surgery For Obesity And Related Diseases 2019, 15: 951-957. PMID: 31104959, DOI: 10.1016/j.soard.2019.03.012.Peer-Reviewed Original ResearchMeSH KeywordsBariatric SurgeryFemaleHumansMaleObesity, MorbidPostoperative ComplicationsPreoperative PeriodRetrospective StudiesTime-to-TreatmentWeight LossConceptsBody mass indexWeight lossBariatric surgeryMass indexConsultation visitSupervised weight loss programAverage body mass indexPreoperative wait timeSleeve gastrectomy patientsGastric bypass patientsPostoperative weight lossRate of complicationsDelay of treatmentWeight loss programSingle academic institutionInitial consultation visitAdverse surgical eventsSignificant long-term benefitWait timePreoperative percentageGastrectomy patientsGastric bypassLaparoscopic RouxBypass patientsAdverse eventsThe Impact of Ethnicity on Metabolic Outcomes after Bariatric Surgery
Valencia A, Garcia LC, Morton J. The Impact of Ethnicity on Metabolic Outcomes after Bariatric Surgery. Journal Of Surgical Research 2019, 236: 345-351. PMID: 30694776, DOI: 10.1016/j.jss.2018.09.061.Peer-Reviewed Original ResearchConceptsBody mass indexBariatric surgeryMetabolic outcomesDiabetic outcomesOral medicationsBlack patientsMass indexAsian patientsLaparoscopic sleeve gastrectomy procedureType II diabetes mellitusSignificant metabolic improvementSimilar metabolic outcomesSleeve gastrectomy procedureMajority of patientsAsian patient populationSingle academic institutionEthnic minority patientsNon-Hispanic whitesDiabetes remissionDiabetes resolutionGastric bypassLaparoscopic RouxPostoperative visitDiabetes mellitusMetabolic improvement
2018
Association of Bariatric Surgery and National Medication Use
Morton JM, Ponce J, Malangone-Monaco E, Nguyen N. Association of Bariatric Surgery and National Medication Use. Journal Of The American College Of Surgeons 2018, 228: 171-179. PMID: 30453056, DOI: 10.1016/j.jamcollsurg.2018.10.021.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overBariatric SurgeryCardiovascular AgentsDrug UtilizationFemaleHealth Care CostsHumansHypoglycemic AgentsLongitudinal StudiesMaleMatched-Pair AnalysisMiddle AgedObesity, MorbidPostoperative PeriodPropensity ScoreRetrospective StudiesUnited StatesYoung AdultConceptsNonsurgical control patientsBariatric surgical patientsControl patientsSurgical patientsMedication useControl groupSurgical groupPharmacy costsPropensity-matched control groupTruven Health Analytics MarketScan Commercial ClaimsBariatric surgical proceduresMarketScan Commercial ClaimsTotal pharmacy costsLower pharmacy costsNonsurgical control groupEnduring treatmentGastric bypassIndex dateBariatric surgeryObese patientsPostoperative periodSevere obesitySurgical cohortBariatric operationsEncounters DatabaseHeterogeneity of weight loss after gastric bypass, sleeve gastrectomy, and adjustable gastric banding
Azagury D, Mokhtari TE, Garcia L, Rosas US, Garg T, Rivas H, Morton J. Heterogeneity of weight loss after gastric bypass, sleeve gastrectomy, and adjustable gastric banding. Surgery 2018, 165: 565-570. PMID: 30316577, DOI: 10.1016/j.surg.2018.08.023.Peer-Reviewed Original ResearchConceptsLaparoscopic adjustable gastric bandingPercent excess weight lossAdjustable gastric bandingExcess weight lossLaparoscopic sleeve gastrectomySuccessful treatment effectGastric bandingLaparoscopic RouxGastric bypassSleeve gastrectomyOdds ratioWeight lossTreatment effectsMean percent excess weight lossLong-term weight lossLaparoscopic adjustable gastricBody mass indexSingle academic institutionSubstantial weight lossAdjustable gastricPostoperative BMIBariatric proceduresObese patientsConsecutive patientsMass indexPrevalence and Risk Factors for Bariatric Surgery Readmissions
Berger ER, Huffman KM, Fraker T, Petrick AT, Brethauer SA, Hall BL, Ko CY, Morton JM. Prevalence and Risk Factors for Bariatric Surgery Readmissions. Annals Of Surgery 2018, 267: 122-131. PMID: 27849660, DOI: 10.1097/sla.0000000000002079.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultBariatric SurgeryConfidence IntervalsFemaleFollow-Up StudiesHumansIncidenceLaparoscopyMaleMiddle AgedObesity, MorbidPatient ReadmissionPostoperative ComplicationsPrevalencePrognosisQuality ImprovementRetrospective StudiesRisk AssessmentRisk FactorsTime FactorsUnited StatesYoung AdultConceptsLaparoscopic adjustable gastric bandingLaparoscopic sleeve gastrectomyPrimary bariatric surgeryBariatric surgeryReadmission ratesNutritional depletionPrimary laparoscopic adjustable gastric bandingAdjustable gastric bandingCurrent Procedural Terminology codesNational readmission ratesProcedural Terminology codesType of procedureRelated readmissionsAbdominal painGastric bandingGastric bypassLaparoscopic RouxSleeve gastrectomyAnastomotic leakPrimary outcomePrimary procedureRisk factorsCommon causeReadmissionLRYGB
2017
A multidisciplinary approach to laparoscopic sleeve gastrectomy among multiethnic adolescents in the United States
Jaramillo JD, Snyder E, Farrales S, Stevens M, Wall JK, Chao S, Morton J, Pratt JS, Hammer L, Shepard WE, Bruzoni M. A multidisciplinary approach to laparoscopic sleeve gastrectomy among multiethnic adolescents in the United States. Journal Of Pediatric Surgery 2017, 52: 1606-1609. PMID: 28697852, DOI: 10.1016/j.jpedsurg.2017.06.021.Peer-Reviewed Original ResearchConceptsLaparoscopic sleeve gastrectomySleeve gastrectomyObese adolescentsPercent excess weight lossNonalcoholic fatty liver diseaseWeight lossComorbidity resolution rateMorbidly obese adolescentsResolution of comorbiditiesExcess weight lossExcess body weightSerious public health problemDescriptive case seriesFatty liver diseaseOccurrence of complicationsPublic health problemMorbid obesityProspective databaseSurgical complicationsPrimary outcomeCase seriesComorbid conditionsLiver diseaseRetrospective studyMean ageComparative effectiveness of primary bariatric operations in the United States
Sudan R, Maciejewski ML, Wilk AR, Nguyen NT, Ponce J, Morton JM. Comparative effectiveness of primary bariatric operations in the United States. Surgery For Obesity And Related Diseases 2017, 13: 826-834. PMID: 28236529, DOI: 10.1016/j.soard.2017.01.021.Peer-Reviewed Original ResearchConceptsBPD/DSPrimary bariatric operationsBariatric surgery centerBariatric operationsAdverse eventsSurgery centersBody mass index unitWeight lossCo-morbidity resolutionMore adverse eventsMultiple surgical centersSerious adverse eventsType 2 diabetesGreater weight lossLarge multisite cohortCurrent bariatric operationsT2D resolutionComorbidity resolutionBaseline characteristicsGastric bypassDuodenal switchSurgical centersInverse probability weightingMultisite cohortOdds ratioButtressing of the EEA stapler during gastrojejunal anastomosis decreases rate of bleeding-related complications for laparoscopic gastric bypass
Ichter ZA, Voeller L, Rivas H, Khoury H, Azagury D, Morton JM. Buttressing of the EEA stapler during gastrojejunal anastomosis decreases rate of bleeding-related complications for laparoscopic gastric bypass. Surgery For Obesity And Related Diseases 2017, 13: 802-806. PMID: 28325504, DOI: 10.1016/j.soard.2017.01.019.Peer-Reviewed Original ResearchConceptsBleeding-related complicationsGastric bypassBariatric surgerySignificant postoperative bleedingPostoperative weight lossLaparoscopic gastric bypassBody mass indexLength of staySingle academic institutionNew surgical techniqueLaparoscopic RouxPostoperative bleedingSleeve gastrectomySevere obesitySurgical characteristicsMass indexEEA staplerRetrospective studyGastrojejunal anastomosisStaple lineSurgical techniqueEffective treatmentComplicationsWeight lossTime points
2016
Mammography before and after bariatric surgery
Mokhtari TE, Rosas US, Downey JR, Miyake KK, Ikeda DM, Morton JM. Mammography before and after bariatric surgery. Surgery For Obesity And Related Diseases 2016, 13: 451-456. PMID: 27986574, DOI: 10.1016/j.soard.2016.10.021.Peer-Reviewed Original ResearchConceptsBariatric surgeryObese womenBreast cancerSurgical weight-loss patientsWeight lossAverage patient ageWeight loss patientsRadiology Breast Imaging ReportingBreast-imaging radiologistsData System (BI-RADS) densitySignificant reductionBreast Imaging ReportingPatient agePostoperative mammogramsWaist circumferenceMean ageAcademic hospitalFamily historyBreast thicknessAmerican CollegeSurgeryScreening mammogramsBreast densityImaging ReportingWomenInfluence of Weight Loss Attempts on Bariatric Surgery Outcomes
Deb S, Voller L, Palisch C, Ceja O, Turner W, Rivas H, Morton JM. Influence of Weight Loss Attempts on Bariatric Surgery Outcomes. The American Surgeon 2016, 82: 916-920. PMID: 27779973, DOI: 10.1177/000313481608201012.Peer-Reviewed Original ResearchConceptsBody mass indexWeight loss attemptsPreoperative body mass indexWeight loss outcomesWeight lossLoss outcomesLong-term weight loss outcomesPrior weight loss attemptsNonsurgical weight lossExcess weight lossBariatric surgery patientsBariatric surgery outcomesGraphPad Prism 6Spearman correlation testBariatric proceduresBariatric surgerySurgery patientsMass indexSurgery outcomesClinic assessmentPatient's chanceSignificant negative correlationAverage durationSurgeryMean numberCharacterizing Readmissions After Bariatric Surgery
Garg T, Rosas U, Rogan D, Hines H, Rivas H, Morton JM, Azagury D. Characterizing Readmissions After Bariatric Surgery. Journal Of Gastrointestinal Surgery 2016, 20: 1797-1801. PMID: 27613733, DOI: 10.1007/s11605-016-3247-3.Peer-Reviewed Original ResearchConceptsBariatric surgeryIndex hospital lengthAdjustable gastric bandMultivariable logistic regressionSingle academic institutionHospital lengthHospital LOSLaparoscopic RouxGastric bandGastric bypassIndex procedureImportant quality metricGastrointestinal issuesCommon causeReadmissionSurgeryLogistic regressionPatientsMean timeLaboratory dataLRYGBDaysGastrectomyRouxStayGeographic variation in surgical outcomes and cost between the United States and Japan.
Hurley MP, Schoemaker L, Morton JM, Wren SM, Vogt WB, Watanabe S, Yoshikawa A, Bhattacharya J. Geographic variation in surgical outcomes and cost between the United States and Japan. The American Journal Of Managed Care 2016, 22: 600-7. PMID: 27662222.Peer-Reviewed Original ResearchNational prevalence, causes, and risk factors for bariatric surgery readmissions
Garg T, Rosas U, Rivas H, Azagury D, Morton JM. National prevalence, causes, and risk factors for bariatric surgery readmissions. The American Journal Of Surgery 2016, 212: 76-80. PMID: 27133197, DOI: 10.1016/j.amjsurg.2016.01.023.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge DistributionBariatric SurgeryBody Mass IndexDatabases, FactualFemaleGastrectomyGastric BypassGastroplastyHumansLaparoscopyLogistic ModelsMaleMiddle AgedMultivariate AnalysisObesity, MorbidOutcome Assessment, Health CarePatient ReadmissionPostoperative ComplicationsPrevalencePrognosisRetrospective StudiesRisk FactorsSex DistributionUnited StatesConceptsLaparoscopic adjustable gastric bandingAdjustable gastric bandingLaparoscopic sleeve gastrectomyGastric bandingGastric bypassLaparoscopic RouxSleeve gastrectomyBariatric surgeryChronic obstructive pulmonary diseaseObstructive pulmonary diseaseBody mass indexAfrican American raceLength of stayCurrent Procedure Terminology codesCommon readmissionReadmitted patientsPulmonary diseaseMass indexOperative timeRisk factorsNational prevalenceReadmissionTerminology codesPatientsPublic Use FileA postoperative nutritional consult improves bariatric surgery outcomes
Garg T, Birge K, Rosas U, Azagury D, Rivas H, Morton JM. A postoperative nutritional consult improves bariatric surgery outcomes. Surgery For Obesity And Related Diseases 2016, 12: 1052-1056. PMID: 27220825, DOI: 10.1016/j.soard.2016.01.008.Peer-Reviewed Original ResearchConceptsInitial postoperative visitPostoperative visitBariatric surgeryPostoperative carePatient outcomesPercent excess weight lossHigh-density lipoprotein cholesterolExcess weight lossBariatric surgery outcomesHigh-density lipoproteinMultivariate logistic modelNutritional consultsSerum thiamineProspective databaseLipoprotein cholesterolMinor complicationsTotal cholesterolSurgery outcomesRetrospective analysisEffective treatmentSurgeryDemographic featuresPatientsSurgeonsWeight loss
2015
American Society for Metabolic and Bariatric Surgery estimation of bariatric surgery procedures in the United States, 2011-2014
Ponce J, Nguyen NT, Hutter M, Sudan R, Morton JM. American Society for Metabolic and Bariatric Surgery estimation of bariatric surgery procedures in the United States, 2011-2014. Surgery For Obesity And Related Diseases 2015, 11: 1199-1200. PMID: 26476493, DOI: 10.1016/j.soard.2015.08.496.Peer-Reviewed Original Research