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 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 data
2019
Preoperative 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 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
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 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
Buttressing 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 dataLRYGBDaysGastrectomyRouxStayNational 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 indexHerniaIs 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
Severe worsening of diabetic retinopathy following bariatric surgery.
Silva RA, Morton JM, Moshfeghi DM. Severe worsening of diabetic retinopathy following bariatric surgery. Ophthalmic Surgery Lasers And Imaging Retina 2013, 44 Online: e11-4. PMID: 24131131, DOI: 10.3928/23258160-20131009-01.Peer-Reviewed Original ResearchConceptsDiabetic retinopathyBariatric surgeryStable diabetic retinopathyGastric bypass surgeryHemoglobin A1c levelsMonths of surgeryUseful visual acuityShort-term worseningLaparoscopic RouxBypass surgeryA1c levelsDiabetes mellitusGlycemic controlLeft eyeRetinal evaluationVisual acuityRight eyeRapid worseningVisual functionLong-term reductionSevere worseningRetinopathySurgeryWorseningPatients
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 lengthPostoperative vitamin deficiencies in patients undergoing laparoscopic roux‐en‐y gastric bypass
Lodhia N, Almario L, Eltorai A, Kattan J, Nkansah M, Kerolus M, Kiely K, Morton J. Postoperative vitamin deficiencies in patients undergoing laparoscopic roux‐en‐y gastric bypass. The FASEB Journal 2012, 26: 809.2-809.2. DOI: 10.1096/fasebj.26.1_supplement.809.2.Peer-Reviewed Original ResearchGastric bypassLaparoscopic RouxVitamin deficiencyIron deficiencyCardiac risk factorsY Gastric BypassVitamin B12 deficiencySingle academic institutionHigher preoperative weightPreoperative weightObese patientsPatient demographicsB12 deficiencyMale patientsNutritional abnormalitiesRisk factorsVitamin levelsTranslational Science AwardsPatientsFolate deficiencyNutritional deficienciesPatient recordsVitamin B12Weight lossTime points
2011
PL-110 Is ambulatory laparoscopic roux-en-y gastric bypass from the bariatric outcomes longitudinal database (BOLD) associated with higher adverse events?
Morton J, DeMaria E, Winegar D, Sherif B, Hutcher N, Blackstone R, Wolfe B. PL-110 Is ambulatory laparoscopic roux-en-y gastric bypass from the bariatric outcomes longitudinal database (BOLD) associated with higher adverse events? Surgery For Obesity And Related Diseases 2011, 7: 342-343. DOI: 10.1016/j.soard.2011.04.189.Peer-Reviewed Original ResearchP-56 Does laparoscopic Roux-en-Y gastric bypass improve quality of life in both adolescents and adult morbidly obese patients?
Gwaltney D, Ahmed S, Faralles S, Albanese C, Morton J. P-56 Does laparoscopic Roux-en-Y gastric bypass improve quality of life in both adolescents and adult morbidly obese patients? Surgery For Obesity And Related Diseases 2011, 7: 391. DOI: 10.1016/j.soard.2011.04.057.Peer-Reviewed Original Research
2010
Cardiac Arrest During Laparoscopic Roux-en-Y Gastric Bypass in a Bariatric Patient with Drug-Associated Long QT Syndrome
Woodard G, Brodsky JB, Morton JM. Cardiac Arrest During Laparoscopic Roux-en-Y Gastric Bypass in a Bariatric Patient with Drug-Associated Long QT Syndrome. Obesity Surgery 2010, 21: 134-137. PMID: 20383601, DOI: 10.1007/s11695-010-0137-8.Peer-Reviewed Original ResearchConceptsLong QT syndromeLaparoscopic RouxObese patientsCardiac arrestQT syndromeIntraoperative cardiac arrestBariatric surgery patientsGastric bypass surgeryProlonged QTc intervalY Gastric BypassGastric bypassBariatric patientsBariatric surgeryBypass surgeryElectrolyte disturbancesObese womenSurgery patientsMedication useQTc intervalCase reportCardiac stressorsTreatment strategiesPatientsCardiac physiologyRoux
2008
Preoperative Endoscopic Screening for Laparoscopic Roux-en-Y Gastric Bypass has a Low Yield for Anatomic Findings
Mong C, Van Dam J, Morton J, Gerson L, Curet M, Banerjee S. Preoperative Endoscopic Screening for Laparoscopic Roux-en-Y Gastric Bypass has a Low Yield for Anatomic Findings. Obesity Surgery 2008, 18: 1067-1073. PMID: 18574642, DOI: 10.1007/s11695-008-9600-1.Peer-Reviewed Original ResearchConceptsLaparoscopic RouxBariatric surgeryClinical significanceStanford University Medical CenterY Gastric BypassRecords of patientsBody mass indexUniversity Medical CenterComplete patient recordsEGD findingsPreprocedure symptomsUGI symptomsErosive esophagitisGastric bypassEndoscopic findingsErosive gastritisDuodenal ulcerPreoperative evaluationMass indexEndoscopic screeningGastric carcinoidsGastric ulcerMean ageBarrett's esophagusPathological data
2007
Disappointing Weight Loss among Shift Workers after Laparoscopic Gastric Bypass Surgery
Ketchum ES, Morton JM. Disappointing Weight Loss among Shift Workers after Laparoscopic Gastric Bypass Surgery. Obesity Surgery 2007, 17: 581. PMID: 17658014, DOI: 10.1007/s11695-007-9100-8.Peer-Reviewed Original ResearchConceptsShift workersWeight lossBariatric surgeryExcess body weight lossLaparoscopic gastric bypass surgeryPostoperative excess weight lossShift workAltered sleep physiologyExcess weight lossBariatric surgery patientsGastric bypass surgeryPostoperative weight lossRetrospective chart reviewWeight loss outcomesBody weight lossRates of obesityT-testPatterns of sleepStudent's t-testPreoperative BMIGastric bypassLaparoscopic RouxBypass surgeryChart reviewPostoperative period