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 rate
2021
Bariatric-Metabolic Surgery Utilisation in Patients With and Without Diabetes: Data from the IFSO Global Registry 2015–2018
Welbourn R, Hollyman M, Kinsman R, Dixon J, Cohen R, Morton J, Ghaferi A, Higa K, Ottosson J, Pattou F, Al-Sabah S, Anvari M, Himpens J, Liem R, Våge V, Walton P, Brown W, Kow L. Bariatric-Metabolic Surgery Utilisation in Patients With and Without Diabetes: Data from the IFSO Global Registry 2015–2018. Obesity Surgery 2021, 31: 2391-2400. PMID: 33638756, PMCID: PMC8113173, DOI: 10.1007/s11695-021-05280-6.Peer-Reviewed Original ResearchConceptsBody mass indexType 2 diabetes mellitusMethodsCross-sectional analysisRates of T2DMBariatric-metabolic surgeryHigh rateGastric bypassPrimary surgerySleeve gastrectomyDiabetes mellitusMass indexGlobal RegistryBaseline ageNational registryInclusion criteriaT2DMType of operationPatientsOlder menWomenSurgeryRegistryMenHigher proportionCommon operation
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 consentSurgeryPandemic Recovery Using a COVID-Minimal Cancer Surgery Pathway
Boffa DJ, Judson BL, Billingsley KG, Galetta D, Fontanez P, Odermatt C, Lindner K, Mitchell MR, Henderson CM, Carafeno T, Pinto J, Wagner J, Ancuta M, Beley P, Turner AL, Banack T, Laurans MS, Johnson DC, Yoo P, Morton JM, Zurich H, Davis K, Ahuja N. Pandemic Recovery Using a COVID-Minimal Cancer Surgery Pathway. The Annals Of Thoracic Surgery 2020, 110: 718-724. PMID: 32417195, PMCID: PMC7227551, DOI: 10.1016/j.athoracsur.2020.05.003.Peer-Reviewed Original ResearchConceptsSurgery pathwayHospital-acquired COVID-19 infectionLarge academic medical centerCOVID-19 patientsCoronavirus disease 2019 (COVID-19) pandemicCOVID-19 infectionPatient care pathwayAcademic medical centerDisease 2019 pandemicHealth care deliveryOnly surgerySurgery populationElective surgeryPatient survivalRisk of exposureProtection of patientsCare pathwayNosocomial infectionsMedical CenterCare deliverySurgical activityHospitalPatientsSurgeryMost hospitalsPreventing 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
Cardiac 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 ResearchAdjuvant 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 ResearchUsing 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 modelsObesity 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 ResearchAssociation of Laparoscopic Gastric Bypass Surgery With Telomere Length in Patients With Obesity
Morton JM, Garg T, Leva N. Association of Laparoscopic Gastric Bypass Surgery With Telomere Length in Patients With Obesity. JAMA Surgery 2019, 154: 266-268. PMID: 30566188, PMCID: PMC6439632, DOI: 10.1001/jamasurg.2018.4830.Peer-Reviewed Original Research
2018
A140 Utilizing Low-Dose Phentermine for Preoperative Weight Loss Prior to Bariatric Surgery: A Prospective, Randomized, and Placebo-Controlled Trial
Morton J, Rivas H, Garcia L, Azagury D. A140 Utilizing Low-Dose Phentermine for Preoperative Weight Loss Prior to Bariatric Surgery: A Prospective, Randomized, and Placebo-Controlled Trial. Surgery For Obesity And Related Diseases 2018, 14: s33. DOI: 10.1016/j.soard.2018.09.053.Peer-Reviewed Original ResearchA331 Does systemic inflammation inhibit weight loss and diabetes remission following bariatric surgery?
Morton J, Azagury D, Garcia L, Rivas H. A331 Does systemic inflammation inhibit weight loss and diabetes remission following bariatric surgery? Surgery For Obesity And Related Diseases 2018, 14: s118-s119. DOI: 10.1016/j.soard.2018.09.254.Peer-Reviewed Original ResearchBariatric Surgery: Current State of Affairs
Blevins K, Azagury D, Morton J. Bariatric Surgery: Current State of Affairs. 2018, 17-20. DOI: 10.1007/978-3-319-93545-4_2.Peer-Reviewed Original ResearchAdvocacy for Bariatric and Metabolic Surgery
Scott J, Morton J. Advocacy for Bariatric and Metabolic Surgery. Current Surgery Reports 2018, 6: 17. DOI: 10.1007/s40137-018-0215-8.Peer-Reviewed Original ResearchRecommendations on the most suitable quality‐of‐life measurement instruments for bariatric and body contouring surgery: a systematic review
de Vries C, Kalff M, Prinsen C, Coulman K, Haan C, Welbourn R, Blazeby J, Morton J, van Wagensveld B. Recommendations on the most suitable quality‐of‐life measurement instruments for bariatric and body contouring surgery: a systematic review. Obesity Reviews 2018, 19: 1395-1411. PMID: 29883059, DOI: 10.1111/obr.12710.Peer-Reviewed Original ResearchConceptsBariatric surgerySystematic reviewCochrane database systematic reviewsPatient-reported outcome measuresHealth Measurement INstruments (COSMIN) checklistLife measurement instrumentsFuture clinical trialsMeasurement propertiesSystematic literature searchDegree of recommendationFurther validation studiesClinical trialsEligible studiesOutcome measuresLife instrumentsMethodological qualityLiterature searchSurgeryLife measurementsContent validityStrong evidencePoor qualityValidation studyEMBASEReviewChanges in Cerebral Cortical Thickness Related to Weight Loss Following Bariatric Surgery
Bohon C, Garcia LC, Morton JM. Changes in Cerebral Cortical Thickness Related to Weight Loss Following Bariatric Surgery. Obesity Surgery 2018, 28: 2578-2582. PMID: 29876838, PMCID: PMC6400222, DOI: 10.1007/s11695-018-3317-6.Peer-Reviewed Original ResearchConceptsCerebral cortical thicknessCortical thicknessBariatric surgeryWeight Loss Following Bariatric SurgeryGreater excess weight lossExcess weight lossCortical gray matterMagnetic resonance imaging dataBrain changesPatientsGray matterSurgeryWeight lossPreliminary evidenceNeurocognitive measuresFurther investigationMemory recallImaging dataPrevious studiesObesityGlobal measuresLarge sampleMonths