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
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 operationThe 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
American 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 ResearchMeSH KeywordsBariatric SurgeryBiliopancreatic DiversionGastrectomyGastric BypassHumansObesity, MorbidUnited StatesConceptsBariatric 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
Employing 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 measuresConcerning Greater Social Contexts in Bariatric Surgery Availability and Telomere Length Outcomes—Reply
Morton J, Garg T, Leva N. Concerning Greater Social Contexts in Bariatric Surgery Availability and Telomere Length Outcomes—Reply. JAMA Surgery 2019, 154: 884-884. PMID: 31188413, DOI: 10.1001/jamasurg.2019.1727.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
Heterogeneity 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 index
2017
Surgical Anti-Reflux Options Beyond Fundoplication
Azagury D, Morton J. Surgical Anti-Reflux Options Beyond Fundoplication. Current Gastroenterology Reports 2017, 19: 35. PMID: 28725999, DOI: 10.1007/s11894-017-0582-9.Peer-Reviewed Original ResearchConceptsGastroesophageal reflux diseaseSurgical managementEffective surgical optionMagnetic sphincter augmentationFuture surgical interventionGastric bypassReflux diseaseSphincter augmentationSymptom recurrenceGas bloatingMedical therapySurgical optionsSurgical interventionPotential complicationsCurrent indicationsSurgical proceduresPrior interventionsFundoplicationElectrical stimulationReviewThis paperInterventionOptionsIndicationsDysphagiaRouxButtressing 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
Characterizing 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 dataLRYGBDaysGastrectomyRouxStayBariatric Surgery Overview of Procedures and Outcomes
Azagury DE, Morton JM. Bariatric Surgery Overview of Procedures and Outcomes. Endocrinology And Metabolism Clinics Of North America 2016, 45: 647-656. PMID: 27519136, DOI: 10.1016/j.ecl.2016.04.013.Peer-Reviewed Original ResearchConceptsBariatric surgeryType 2 diabetic patientsWeight loss therapyMultiple randomized control trialsDiabetes-related mortalityAdvent of laparoscopyRandomized control trialGastric bypassDiabetic patientsLoss therapyObservational studyControl trialMortality ratePatientsSurgeryRemissionBMIDiabetesLaparoscopyBypassTherapyMortalityTrialsNational 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 File
2014
Mesenteric defect closure in laparoscopic Roux-en-Y gastric bypass: a randomized controlled trial
Rosas U, Ahmed S, Leva N, Garg T, Rivas H, Lau J, Russo M, Morton JM. Mesenteric defect closure in laparoscopic Roux-en-Y gastric bypass: a randomized controlled trial. Surgical Endoscopy 2014, 29: 2486-2490. PMID: 25480607, DOI: 10.1007/s00464-014-3970-3.Peer-Reviewed Original ResearchConceptsMesenteric defect closureInternal herniaMesenteric defectDefect closureLaparoscopic RouxGastric bypassComplication rateSignificant differencesPercent excess weight lossExcess weight lossQOL index scoresGI QOLMethods105 patientsGastrointestinal QualityGeneral complicationsInternal herniationOperative timeQOL scoresOpen groupMedical recordsPotential complicationsLRYGBOutcome measuresHigh indexHerniaMetabolic surgery: Action via hormonal milieu changes, changes in bile acids or gut microbiota? A summary of the literature
Sweeney TE, Morton JM. Metabolic surgery: Action via hormonal milieu changes, changes in bile acids or gut microbiota? A summary of the literature. Best Practice & Research Clinical Gastroenterology 2014, 28: 727-740. PMID: 25194186, PMCID: PMC4399638, DOI: 10.1016/j.bpg.2014.07.016.Peer-Reviewed Original ResearchMeSH KeywordsBariatric SurgeryBile Acids and SaltsGastric BypassGastrointestinal HormonesGastrointestinal TractHumansMicrobiotaConceptsDifferent bariatric surgical techniquesGut microbiomeWeight lossBile acid changesDifferent bariatric proceduresBariatric surgical techniquesBile acid signalingType 2 diabetesDiabetes remissionDiabetes resolutionGastric bypassGut hormonesBariatric proceduresBariatric surgeryBile flowSurgical techniqueGLP-1Gut microbiotaMetabolic proceduresBile acidsSustained increaseBeneficial effectsMilieu changesGut bacteriaMultiple studiesIs Ambulatory Laparoscopic Roux-En-Y Gastric Bypass Associated With Higher Adverse Events?
Morton JM, Winegar D, Blackstone R, Wolfe B. Is Ambulatory Laparoscopic Roux-En-Y Gastric Bypass Associated With Higher Adverse Events? Annals Of Surgery 2014, 259: 286-292. PMID: 24169190, DOI: 10.1097/sla.0000000000000227.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAmbulatory Surgical ProceduresDatabases, FactualFemaleGastric BypassHumansLaparoscopyLength of StayLogistic ModelsLongitudinal StudiesMaleMiddle AgedMultivariate AnalysisObesity, MorbidOdds RatioPatient ReadmissionPostoperative ComplicationsTreatment OutcomeYoung AdultConceptsBody mass indexSerious complicationsGastric bypassMass indexMedian body mass indexLaparoscopic gastric bypass procedureHigher adverse eventsLaparoscopic Roux-EnY Gastric BypassGastric bypass proceduresLogistic regression analysisDistribution of LOSLogistic regression modelsLRYGB patientsLaparoscopic RouxRoux-enMedian LOSAdverse eventsMedian agePatient demographicsReadmission ratesBypass proceduresInsurance statusComplicationsClinical database
2013
Influence of Ethnicity on the Efficacy and Utilization of Bariatric Surgery in the USA
Sudan R, Winegar D, Thomas S, Morton J. Influence of Ethnicity on the Efficacy and Utilization of Bariatric Surgery in the USA. Journal Of Gastrointestinal Surgery 2013, 18: 130-136. PMID: 24101449, DOI: 10.1007/s11605-013-2368-1.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsBlack or African AmericanBody Mass IndexComorbidityDatabases, FactualDiabetes MellitusEthnicityFemaleFollow-Up StudiesGastric BypassGastroesophageal RefluxHealth Status DisparitiesHispanic or LatinoHumansHyperlipidemiasHypertensionLongitudinal StudiesMaleMiddle AgedObesitySleep Apnea, ObstructiveTreatment OutcomeUnited StatesWhite PeopleConceptsBaseline characteristicsThirty-day mortality rateBariatric Outcomes Longitudinal DatabaseGastric bypass surgerySerious adverse eventsPearson's chi-square testChi-square testPatterns of utilizationSmaller percent declineComorbidity burdenBariatric surgeryStudy patientsUnderwent surgeryAdverse eventsBypass surgeryMortality rateInfluence of ethnicityEthnic disparitiesHeavier BMIRYGBSurgeryCategorical variablesComorbiditiesBMIT-testThe Human Gut Microbiome: A Review of the Effect of Obesity and Surgically Induced Weight Loss
Sweeney TE, Morton JM. The Human Gut Microbiome: A Review of the Effect of Obesity and Surgically Induced Weight Loss. JAMA Surgery 2013, 148: 563-569. PMID: 23571517, PMCID: PMC4392891, DOI: 10.1001/jamasurg.2013.5.Peer-Reviewed Original ResearchMeSH KeywordsGastric BypassHumansIntestinesMetagenomeObesityProbioticsTissue Array AnalysisWeight LossConceptsGastric bypassDistal gut microbiomeGut microbiomeWeight lossSurgically Induced Weight LossSurgical weight lossEffect of obesityInduced Weight LossBody mass indexRatio of FirmicutesGut microbiome compositionInfectious colitisBariatric surgeryUlcerative colitisMetabolic syndromeCrohn's diseaseMass indexFurther clinical applicationObese phenotypeWestern dietPubMed searchGut microbiotaEnergy intakeMicrobiome changesHuman gut microbiome
2012
Laparoscopic vs Open Gastric Bypass Surgery: Differences in Patient Demographics, Safety, and Outcomes
Banka G, Woodard G, Hernandez-Boussard T, Morton JM. Laparoscopic vs Open Gastric Bypass Surgery: Differences in Patient Demographics, Safety, and Outcomes. JAMA Surgery 2012, 147: 550-556. PMID: 22786543, DOI: 10.1001/archsurg.2012.195.Peer-Reviewed Original ResearchConceptsLRYGB patientsGastric bypassMore complicationsOpen gastric bypass surgeryQuality Patient Safety IndicatorsRetrospective cohort studyGastric bypass surgeryHigh-volume hospitalsLonger median lengthNationwide Inpatient SamplePopulation-based studyLength of stayPatient safety indicatorsLower odds ratioHigher total chargesNumber of proceduresLRYGB cohortsNonroutine dispositionLaparoscopic RouxOpen RouxBypass surgeryPatient demographicsCohort studyComorbidity differencesMedian lengthEffect of Roux-en-Y gastric bypass on testosterone and prostate-specific antigen
Woodard G, Ahmed S, Podelski V, Hernandez-Boussard T, Presti J, Morton J. Effect of Roux-en-Y gastric bypass on testosterone and prostate-specific antigen. British Journal Of Surgery 2012, 99: 693-698. PMID: 22302466, DOI: 10.1002/bjs.8693.Peer-Reviewed Original ResearchConceptsProstate-specific antigenBody mass indexPSA levelsObese menGastric bypassSerum levelsWeight lossTestosterone levelsPSA massPercentage excess weight lossPlasma volumeExcess weight lossEffects of RouxSerum PSA levelsLow serum levelsSerum testosterone levelsConsecutive menMass indexSerum testosteroneProstate cancerMAIN OUTCOMETestosteroneDHEARYGBLongitudinal study