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
First report from the American Society of Metabolic and Bariatric Surgery closed-claims registry: prevalence, causes, and lessons learned from bariatric surgery medical malpractice claims
Morton JM, Khoury H, Brethauer SA, Baker JW, Sweet WA, Mattar S, Ponce J, Nguyen NT, Rosenthal RJ, DeMaria EJ. First report from the American Society of Metabolic and Bariatric Surgery closed-claims registry: prevalence, causes, and lessons learned from bariatric surgery medical malpractice claims. Surgery For Obesity And Related Diseases 2022, 18: 943-947. PMID: 35595651, DOI: 10.1016/j.soard.2022.04.004.Peer-Reviewed Original ResearchConceptsBariatric surgeryMalpractice claimsClosed claimsClosed claim filesPostoperative careClinical complicationsVascular injuryUniversity HospitalCommon causeClinical summaryForeign bodyHospital statusSustained improvementMedical malpractice claimsSurgeryTreatment eventsExpert panelPrevalencePrivate practiceComplicationsMalpractice insurerAmerican SocietyRegistryHospitalHigh rateBenefits of weight loss of 10% or more in patients with overweight or obesity: A review
Tahrani AA, Morton J. Benefits of weight loss of 10% or more in patients with overweight or obesity: A review. Obesity 2022, 30: 802-840. PMID: 35333446, DOI: 10.1002/oby.23371.Peer-Reviewed Original ResearchConceptsObesity-related complicationsModest weight lossWeight lossBariatric surgeryLarge weight lossReduced cancer riskWeight-related complicationsCardiovascular risk factorsHealth-related qualityWeight management programType 2 diabetesGreater weight lossMain treatment targetsCost-effective interventionLifestyle modificationLifestyle interventionSevere obesityKnee osteoarthritisSleep apneaRisk factorsCancer riskGlucose metabolismPatientsOverweightTreatment targetsBeyond 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 ResearchConceptsLaparoscopic 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
The National Shift to Sleeve Gastrectomy: Long-Term Disappointment and Recidivism or Patient Preference?
Zhou R, Morton J. The National Shift to Sleeve Gastrectomy: Long-Term Disappointment and Recidivism or Patient Preference? Difficult Decisions In Surgery: An Evidence-Based Approach 2020, 231-246. DOI: 10.1007/978-3-030-55329-6_22.Peer-Reviewed Original ResearchSleeve gastrectomyGastric bypassDiabetes mellitusLaparoscopic sleeve gastrectomyLong-term outcomesAdvanced obesityLaparoscopic RouxBariatric proceduresBariatric surgeryDisease resolutionWeight recidivismPatient preferencesPrimary procedureGastrectomyAmerican SocietyMellitusRouxObesityPatientsSurgeryBypassAvailable dataCorrelating 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 ResearchConceptsHigher 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 consentSurgeryPreventing Nausea and Vomiting After Bariatric Surgery: Is the Apfel Risk Prediction Score Enough to Guide Prophylaxis?
Ziemann-Gimmel P, Schumann R, English W, Morton J, Wadhwa A. Preventing Nausea and Vomiting After Bariatric Surgery: Is the Apfel Risk Prediction Score Enough to Guide Prophylaxis? Obesity Surgery 2020, 30: 4138-4140. PMID: 32415631, DOI: 10.1007/s11695-020-04682-2.Peer-Reviewed Original ResearchConceptsBariatric surgeryGeneral surgical populationMultiple antiemetic drugsFrequent side effectsHigh-risk patientsRisk prediction scoreDifferent pharmacologic classesVariety of receptorsApfel scorePONV riskPostoperative nauseaSurgical populationBariatric proceduresPharmacologic classesAntiemetic drugsSide effectsTIVA techniquePatientsPrediction scoreNauseaVomitingSurgeryScoresPONVProphylaxisSafety and Efficacy of Bariatric and Metabolic Surgery
Ghiassi S, Morton JM. Safety and Efficacy of Bariatric and Metabolic Surgery. Current Obesity Reports 2020, 9: 159-164. PMID: 32253662, DOI: 10.1007/s13679-020-00377-y.Peer-Reviewed Original ResearchConceptsDurable weight lossBariatric surgeryRisk/benefit ratioWeight lossRisk of complicationsCurrent medical treatmentRisk of mortalityObesity-related diseasesReviewBariatric surgeryBariatric proceduresCause morbidityMetabolic surgeryObesity comorbiditiesMedical managementRelated comorbiditiesSafety profileCardiovascular diseaseGlobal prevalenceMedical treatmentSurgeryBenefit ratioMortalityComorbiditiesMorbidityDurable methodAmerican Society for Metabolic and Bariatric Surgery 2018 estimate of metabolic and bariatric procedures performed in the United States
English WJ, DeMaria EJ, Hutter MM, Kothari SN, Mattar SG, Brethauer SA, Morton JM. American Society for Metabolic and Bariatric Surgery 2018 estimate of metabolic and bariatric procedures performed in the United States. Surgery For Obesity And Related Diseases 2020, 16: 457-463. PMID: 32029370, DOI: 10.1016/j.soard.2019.12.022.Peer-Reviewed Original ResearchConceptsBariatric proceduresBariatric surgeryQuality Improvement ProgramNational Surgical Quality Improvement ProgramBariatric Outcomes Longitudinal DatabaseSurgical Quality Improvement ProgramIntragastric balloon placementBariatric Surgery AccreditationObesity treatment interventionsNationwide Inpatient SampleDuodenal switch procedureAmerican SocietyBiliopancreatic diversionSleeve gastrectomyAppropriate therapyUndergo surgeryBalloon placementDurable treatmentInpatient SampleOutpatient centerPrimary procedureSwitch procedureRevision proceduresSurgeryTreatment interventions
2019
Adjuvant Pharmaceutical Therapy for Perioperative Use in Bariatric Surgery
Morton J, Ghiassi S, Nadzam G. Adjuvant Pharmaceutical Therapy for Perioperative Use in Bariatric Surgery. 2019, 619-624. DOI: 10.1007/978-3-030-27021-6_56.Peer-Reviewed Original ResearchCardiac Risk Factor Improvement Following Bariatric Surgery
Kitamura R, Morton J, Eisenberg D. Cardiac Risk Factor Improvement Following Bariatric Surgery. 2019, 519-526. DOI: 10.1007/978-3-030-27021-6_46.Peer-Reviewed Original ResearchCoronary artery diseaseCardiovascular diseaseBariatric surgeryObese populationWeight lossCholesterol-lowering medicationsIntentional weight lossWeight loss surgeryRisk factor improvementsTreatment of obesityCause of deathSignificant weight lossMarkers of diseaseArtery diseaseBlood pressureCAD riskAsymptomatic populationCessation effortsHeart diseaseRisk factorsPredictive valueAdult menStrong dataDiseaseSurgeryAnesthetic Considerations
Lemmens H, Morton J, Ku C, Jones S. Anesthetic Considerations. 2019, 89-101. DOI: 10.1007/978-3-030-27021-6_8.Peer-Reviewed Original ResearchEmploying Enhanced Recovery Goals in Bariatric Surgery (ENERGY): a national quality improvement project using the Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program
Brethauer SA, Grieco A, Fraker T, Evans-Labok K, Smith A, McEvoy MD, Saber AA, Morton JM, Petrick A. Employing Enhanced Recovery Goals in Bariatric Surgery (ENERGY): a national quality improvement project using the Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program. Surgery For Obesity And Related Diseases 2019, 15: 1977-1989. PMID: 31640906, DOI: 10.1016/j.soard.2019.08.024.Peer-Reviewed Original ResearchConceptsBariatric Surgery AccreditationLength of stayBariatric surgeryReoperation rateNational quality improvement projectBariatric Surgery projectPrimary bariatric procedureOverall adverse eventsBariatric surgery patientsEnhanced recovery pathwayEnhanced recovery protocolQuality improvement projectQuality Improvement ProgramFinal analytic sampleBariatric proceduresOverall morbidityAdverse eventsReadmission ratesSurgery patientsPrivate practice programsSignificant associationRecovery pathwaysSurgery projectAnalytic sampleProcess measuresAssessment 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 procedureUsing Machine Learning Applied to Real-World Healthcare Data for Predictive Analytics: An Applied Example in Bariatric Surgery
Johnston SS, Morton JM, Kalsekar I, Ammann EM, Hsiao CW, Reps J. Using Machine Learning Applied to Real-World Healthcare Data for Predictive Analytics: An Applied Example in Bariatric Surgery. Value In Health 2019, 22: 580-586. PMID: 31104738, DOI: 10.1016/j.jval.2019.01.011.Peer-Reviewed Original ResearchConceptsLarge US healthcare claims databasesLaparoscopic metabolic surgeryHealthcare claims databasesType 2 diabetesStudy inclusion criteriaLogistic regression modelsDays postindexMedication cessationBariatric surgeryMetabolic surgeryT2D diagnosisCessation ratesPatient selectionMedication treatmentClaims databaseInclusion criteriaTreatment responseDiscriminative accuracyPatientsExternal validationSurgeryRegression modelsHealthcare dataTreatmentUseful predictive modelsPreoperative 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 ResearchConceptsBody 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 eventsObesity Disease Pandemic on Joint Disease and Longevity
Milla C, Lo Menzo E, Morton J, Rosenthal RJ. Obesity Disease Pandemic on Joint Disease and Longevity. The Journal Of Arthroplasty 2019, 34: s33-s35. PMID: 30954412, DOI: 10.1016/j.arth.2019.03.004.Peer-Reviewed Original ResearchThe 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 Database