2020
Correlating 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 ResearchMeSH KeywordsBariatric SurgeryBody Mass IndexHumansObesityObesity, MorbidRetrospective StudiesRisk AssessmentTreatment OutcomeWeight LossConceptsHigher 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 consentSurgerySafety 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 method
2018
Which postoperative complications matter most after bariatric surgery? Prioritizing quality improvement efforts to improve national outcomes
Daigle CR, Brethauer SA, Tu C, Petrick AT, Morton JM, Schauer PR, Aminian A. Which postoperative complications matter most after bariatric surgery? Prioritizing quality improvement efforts to improve national outcomes. Surgery For Obesity And Related Diseases 2018, 14: 652-657. PMID: 29503096, DOI: 10.1016/j.soard.2018.01.008.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnastomotic LeakBariatric SurgeryCritical CareFemaleHealth PrioritiesHumansMaleMiddle AgedPatient ReadmissionPostoperative ComplicationsPostoperative HemorrhageProspective StudiesReoperationRisk AssessmentSurgical Wound InfectionTreatment OutcomeUrinary Tract InfectionsVenous ThromboembolismConceptsPopulation attributable fractionBariatric surgeryAttributable fractionSpecific complicationsIntensive care unit admissionQuality Improvement Program databaseBariatric surgery complicationsPrimary bariatric procedureCare unit admissionEnd-organ dysfunctionAdjustable gastric bandingImprovement Program databaseBariatric Surgery AccreditationUrinary tract infectionParticipant Use FileKey clinical outcomesKey surgical outcomesQuality improvement effortsUnit admissionGastric bandingGastric bypassPostoperative complicationsSleeve gastrectomyAdverse eventsBariatric proceduresPrevalence 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
2016
Influence of Weight Loss Attempts on Bariatric Surgery Outcomes
Deb S, Voller L, Palisch C, Ceja O, Turner W, Rivas H, Morton JM. Influence of Weight Loss Attempts on Bariatric Surgery Outcomes. The American Surgeon 2016, 82: 916-920. PMID: 27779973, DOI: 10.1177/000313481608201012.Peer-Reviewed Original ResearchConceptsBody mass indexWeight loss attemptsPreoperative body mass indexWeight loss outcomesWeight lossLoss outcomesLong-term weight loss outcomesPrior weight loss attemptsNonsurgical weight lossExcess weight lossBariatric surgery patientsBariatric surgery outcomesGraphPad Prism 6Spearman correlation testBariatric proceduresBariatric surgerySurgery patientsMass indexSurgery outcomesClinic assessmentPatient's chanceSignificant negative correlationAverage durationSurgeryMean number
2012
Determinants 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
Probiotics Improve Outcomes After Roux-en-Y Gastric Bypass Surgery: A Prospective Randomized Trial
Woodard GA, Encarnacion B, Downey JR, Peraza J, Chong K, Hernandez-Boussard T, Morton JM. Probiotics Improve Outcomes After Roux-en-Y Gastric Bypass Surgery: A Prospective Randomized Trial. Journal Of Gastrointestinal Surgery 2009, 13: 1198-1204. PMID: 19381735, DOI: 10.1007/s11605-009-0891-x.Peer-Reviewed Original ResearchMeSH KeywordsAdultBody Mass IndexConfidence IntervalsDose-Response Relationship, DrugDrug Administration ScheduleFemaleFollow-Up StudiesGastric BypassHumansMaleMiddle AgedObesity, MorbidPatient SatisfactionPostoperative CarePostoperative ComplicationsProbabilityProbioticsProspective StudiesReference ValuesRisk AssessmentTreatment OutcomeWeight LossConceptsGastric bypass surgeryBacterial overgrowthProbiotic groupControl groupWeight lossBypass surgeryGreater percent excess weight lossPercent excess weight lossY Gastric Bypass SurgeryExcess weight lossProspective randomized trialsVitamin B12 levelsMethodsForty-four patientsQuality of lifeEnduring treatmentGastric bypassMorbid obesityB12 levelsPostoperative changesResultsAt 6Randomized trialsVitamin B12 availabilityProbiotic administrationGastrointestinal floraGI microbiota
2005
Nitrous Oxide and Laparoscopic Bariatric Surgery
Brodsky J, Lemmens H, Collins J, Morton J, Curet M, Brock-Utne J. Nitrous Oxide and Laparoscopic Bariatric Surgery. Obesity Surgery 2005, 15: 494-496. PMID: 15946427, DOI: 10.1381/0960892053723286.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnesthesia Recovery PeriodAnesthesia, InhalationAnesthetics, InhalationBody Mass IndexDrug Therapy, CombinationFemaleGastric BypassHalothaneHumansLaparoscopyMaleMiddle AgedNitrous OxideObesity, MorbidOxygenProspective StudiesRisk AssessmentSensitivity and SpecificitySeverity of Illness IndexTreatment Outcome
2004
Introducing laparoscopic Roux-en-Y gastric bypass at a Veterans Affairs medical facility
Safadi B, Kieran J, Hall R, Morton J, Bellatorre N, Shinoda E, Johnson P, Curet M, Wren S. Introducing laparoscopic Roux-en-Y gastric bypass at a Veterans Affairs medical facility. The American Journal Of Surgery 2004, 188: 606-610. PMID: 15546580, DOI: 10.1016/j.amjsurg.2004.07.021.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnastomosis, Roux-en-YChi-Square DistributionCohort StudiesFemaleFollow-Up StudiesGastric BypassHospitals, VeteransHumansLaparoscopyLength of StayMaleMiddle AgedMinimally Invasive Surgical ProceduresObesity, MorbidPostoperative ComplicationsProbabilityRetrospective StudiesRisk AssessmentTreatment OutcomeWeight LossConceptsBody mass indexBariatric surgeryMorbid obesityLaparoscopic RYGBGastric bypassLaparoscopic RouxDiabetes mellitusVeterans Affairs Health Care SystemPercent excess weight lossAverage body mass indexGood short-term resultsVA patient populationExcess weight lossObstructive sleep apneaVeterans Affairs medical facilitiesShort-term resultsHealth care systemPreoperative comorbiditiesAcceptable morbidityHospital stayMean followLate complicationsImmediate complicationsRetrospective reviewFemale patients
2002
Gallbladder Function Before and After Fundoplication
Morton J, Bowers S, Lucktong T, Mattar S, Bradshaw W, Behrns K, Koruda M, Herbst C, McCartney W, Halkar R, Smith C, Farrell T. Gallbladder Function Before and After Fundoplication. Journal Of Gastrointestinal Surgery 2002, 6: 806-811. PMID: 12504218, DOI: 10.1016/s1091-255x(02)00087-2.Peer-Reviewed Original ResearchConceptsGastroesophageal reflux diseaseGallbladder ejection fractionChronic gastroesophageal reflux diseaseAnterior vagus nerveCCK-HIDA scanGallbladder functionVagus nerveHepatic branchGallbladder dysfunctionMotor dysfunctionAbnormal gallbladder ejection fractionGastrointestinal smooth muscle functionPreoperative gastroesophageal reflux diseaseLaparoscopic Nissen fundoplicationSmooth muscle functionBiliary dyskinesiaAntisecretory therapyReflux diseaseEjection fractionNissen fundoplicationGallbladder motilityScintigraphic criteriaRepeat evaluationFundoplicationMuscle function