2019
The 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 DatabasePrevalence 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
Obesity in America
Rosenthal RJ, Morton J, Brethauer S, Mattar S, De Maria E, Benz JK, Titus J, Sterrett D. Obesity in America. Surgery For Obesity And Related Diseases 2017, 13: 1643-1650. PMID: 28935198, DOI: 10.1016/j.soard.2017.08.002.Peer-Reviewed Original ResearchConceptsPrevalence of obesityDisease of obesityBest treatment modalityTreatment of obesityUS household populationConsequences of obesityGeneral US populationSerious health problemHIV infectionExcess weightObesity treatmentTreatment modalitiesTreatment optionsUniversity HospitalHeart diseaseObese AmericansEarly deathObesityHealth problemsUS populationMental illnessDiseaseWeight lossProbability-based panelOversamples of blacks
2016
The Impact of Different Surgical Techniques on Outcomes in Laparoscopic Sleeve Gastrectomies
Berger ER, Clements RH, Morton JM, Huffman KM, Wolfe BM, Nguyen NT, Ko CY, Hutter MM. The Impact of Different Surgical Techniques on Outcomes in Laparoscopic Sleeve Gastrectomies. Annals Of Surgery 2016, 264: 464-473. PMID: 27433904, DOI: 10.1097/sla.0000000000001851.Peer-Reviewed Original ResearchConceptsLaparoscopic sleeve gastrectomyStaple line reinforcementBougie sizeSurgical techniqueSleeve gastrectomyWeight lossSurgeon levelMBSAQIP data registryLow morbidity rateGood surgical techniqueDifferent surgical techniquesPercent of surgeonsLeak rateLogistical regression modelLSG operationsMorbidity rateClinical effectivenessSafe procedurePatient levelStaple lineHigher leak rateData registryLine reinforcementSurgeonsGastrectomy
2014
Does Hospital Accreditation Impact Bariatric Surgery Safety?
Morton JM, Garg T, Nguyen N. Does Hospital Accreditation Impact Bariatric Surgery Safety? Annals Of Surgery 2014, 260: 504-509. PMID: 25115426, DOI: 10.1097/sla.0000000000000891.Peer-Reviewed Original ResearchConceptsLength of stayBariatric surgery outcomesNationwide Inpatient SampleBariatric surgerySurgery outcomesHigher mean LOSMean LOSShorter LOSHospital accreditationMultivariable logistic regression analysisHospital accreditation statusNinth Revision codesLogistic regression analysisLower total chargesBariatric centerRevision codesPatient dischargeAccredited centersInpatient SampleUnique hospitalsAmerican CollegeICD9 codesInternational ClassificationSurgery safetyHospitalIs 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
2012
The Effect of Positive and Negative Verbal Feedback on Surgical Skills Performance and Motivation
Kannappan A, Yip DT, Lodhia NA, Morton J, Lau JN. The Effect of Positive and Negative Verbal Feedback on Surgical Skills Performance and Motivation. Journal Of Surgical Education 2012, 69: 798-801. PMID: 23111049, DOI: 10.1016/j.jsurg.2012.05.012.Peer-Reviewed Original ResearchConceptsNegative verbal feedbackVerbal feedbackTransfer taskPeg transfer taskSkill performanceSurgical skills performanceNumber of errorsTask timeEffect of feedbackDelivery of feedbackLearner motivationNegative feedbackInterpersonal dynamicsLaparoscopic Surgery (FLS) box trainerPositive feedbackMotivationTaskNF groupPerformance preStudentsFirst-year medical studentsGreater improvementFurther researchFeedbackMedical studentsLaparoscopic 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 lengthDeterminants of Adverse Events in Vascular Surgery
Hernandez-Boussard T, McDonald KM, Morton JM, Dalman RL, Bech FR. Determinants of Adverse Events in Vascular Surgery. Journal Of The American College Of Surgeons 2012, 214: 788-797. PMID: 22425449, PMCID: PMC4890555, DOI: 10.1016/j.jamcollsurg.2012.01.045.Peer-Reviewed Original ResearchConceptsPatient safety indicatorsAbdominal aortic aneurysm repairAortic aneurysm repairPotential adverse eventsAdverse eventsRisk-adjusted ratesVascular surgeryAneurysm repairVascular proceduresOpen abdominal aortic aneurysm repairEndovascular abdominal aortic aneurysm repairICD-9-CM codesLow-volume hospitalsPublic payersNationwide Inpatient SamplePatient safety eventsHospital stayNonwhite patientsPatient characteristicsPain patientsVascular patientsCarotid endarterectomyLower risk-adjusted rateOverall high rateProcedure indication
2009
Differential Intra-abdominal Adipose Tissue Profiling in Obese, Insulin-resistant Women
Liu A, McLaughlin T, Liu T, Sherman A, Yee G, Abbasi F, Lamendola C, Morton J, Cushman SW, Reaven GM, Tsao PS. Differential Intra-abdominal Adipose Tissue Profiling in Obese, Insulin-resistant Women. Obesity Surgery 2009, 19: 1564. PMID: 19711137, PMCID: PMC3181138, DOI: 10.1007/s11695-009-9949-9.Peer-Reviewed Original ResearchConceptsVisceral adipose tissueSubcutaneous adipose tissueBody mass indexInflammatory activityAdipose tissueIR individualsAbdominal subcutaneous adipose tissueOmental visceral adipose tissueInsulin-resistant womenInsulin suppression testDegree of adiposityInsulin-sensitive individualsReal-time polymerase chain reactionQuantitative real-time polymerase chain reactionAdipocyte differentiation genesRegional fat storageIR womenBeckman Coulter MultisizerSmall adipose cellsBariatric surgeryObese womenObese/Mass indexLarge cellsAdipocyte hypertrophy