2019
Association 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
2017
Multi-modality surgical treatment for an increasingly common patient with morbid obesity and papillary thyroid carcinoma
Ichter ZA, Parthasarathy M, Morton JM. Multi-modality surgical treatment for an increasingly common patient with morbid obesity and papillary thyroid carcinoma. Journal Of Surgical Case Reports 2017, 2017: rjw200. PMID: 28603603, PMCID: PMC5460003, DOI: 10.1093/jscr/rjw200.Peer-Reviewed Original ResearchGastric bypass surgeryCoronary artery diseasePapillary thyroid cancerProgression of diseasePapillary thyroid carcinomaMajority of casesMorbid obesityBypass surgeryMetastatic diseaseSurgical resectionArtery diseaseSurgical treatmentPostoperative carePatient presentsThyroid cancerCommon patientsRadiation therapyThyroid carcinomaTherapeutic radiationNew diagnosisHealth disordersPhysicians faceDiseaseObesityPatients
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 worseningRetinopathySurgeryWorseningPatientsInfluence 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-test
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 length
2011
Halo Effect for Bariatric Surgery: Collateral Weight Loss in Patients' Family Members
Woodard GA, Encarnacion B, Peraza J, Hernandez-Boussard T, Morton J. Halo Effect for Bariatric Surgery: Collateral Weight Loss in Patients' Family Members. JAMA Surgery 2011, 146: 1185-1190. PMID: 22006878, DOI: 10.1001/archsurg.2011.244.Peer-Reviewed Original ResearchConceptsGastric bypass surgeryBypass surgeryBody mass indexPatients' family membersAdult family membersHealthy behaviorsBariatric surgeryMass indexWeight lossLower body mass indexFamily membersMultidimensional health assessmentActivity levelsChildren of patientsSignificant weight lossDaily activity levelsQuality of lifeBariatric centerLifestyle counselingMorbid obesitySecondary outcomesWaist circumferenceObese childrenEffective treatmentUncontrollable eatingShort-term medication cost savings for treating hypertension and diabetes after gastric bypass
Ghiassi S, Morton J, Bellatorre N, Eisenberg D. Short-term medication cost savings for treating hypertension and diabetes after gastric bypass. Surgery For Obesity And Related Diseases 2011, 8: 269-274. PMID: 21723203, DOI: 10.1016/j.soard.2011.05.009.Peer-Reviewed Original ResearchConceptsGastric bypass surgerySubset of patientsCost of medicationsBypass surgeryPersistent hypertensionDiabetic medicationsGastric bypassPalo Alto Veterans Affairs Health Care SystemVeterans Affairs Health Care SystemAnnual medication costsPostoperative medication requirementsRemission of diabetesGastric bypass patientsMedication cost savingsTreatment of hypertensionEconomic healthcare burdenHealth care systemAntihypertensive medicationsComplete remissionDiabetes medicationsMedication requirementsProspective databaseBariatric surgeryBypass patientsAnnual costB-type natriuretic peptide increases after gastric bypass surgery and correlates with weight loss
Changchien EM, Ahmed S, Betti F, Higa J, Kiely K, Hernandez-Boussard T, Morton J. B-type natriuretic peptide increases after gastric bypass surgery and correlates with weight loss. Surgical Endoscopy 2011, 25: 2338. PMID: 21424205, DOI: 10.1007/s00464-010-1565-1.Peer-Reviewed Original ResearchConceptsB-type natriuretic peptideGastric bypass surgeryExcess weight lossBypass surgeryWeight lossBNP concentrationsRisk factorsConcentrations of BNPB-type natriuretic peptide increasesLaparoscopic gastric bypass surgerySignificant excess weight lossBackgroundCoronary artery diseaseMean preoperative levelCardiac risk factorsPreventable risk factorsCongestive heart failureIntentional weight lossNatriuretic peptide concentrationsMultivariable linear regressionBNP increaseConclusionGastric bypassGastric bypassPostoperative levelsPreoperative levelsArtery disease
2010
Impaired Alcohol Metabolism after Gastric Bypass Surgery: A Case-Crossover Trial
Woodard GA, Downey J, Hernandez-Boussard T, Morton JM. Impaired Alcohol Metabolism after Gastric Bypass Surgery: A Case-Crossover Trial. Journal Of The American College Of Surgeons 2010, 212: 209-214. PMID: 21183366, DOI: 10.1016/j.jamcollsurg.2010.09.020.Peer-Reviewed Original ResearchConceptsGastric bypass surgeryBypass surgeryAlcohol metabolismBreath alcohol contentCase-crossover trialsGastric bypass patientsCase-crossover designEnduring treatmentRYGB patientsGastric bypassBariatric surgeryBypass patientsPreoperative levelsPublic health crisisSevere obesityPostoperative patientsPatientsDouble visionSurgeryDrinking habitsLess alcoholMonthsHealth crisisPoor psychological adjustmentIndustrialized worldCardiac 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
2009
Plasma Glucose and Insulin Regulation Is Abnormal Following Gastric Bypass Surgery with or Without Neuroglycopenia
Kim SH, Liu TC, Abbasi F, Lamendola C, Morton JM, Reaven GM, McLaughlin TL. Plasma Glucose and Insulin Regulation Is Abnormal Following Gastric Bypass Surgery with or Without Neuroglycopenia. Obesity Surgery 2009, 19: 1550. PMID: 19557485, DOI: 10.1007/s11695-009-9893-8.Peer-Reviewed Original ResearchConceptsGastric bypass surgeryInsulin sensitivityOral glucoseInsulin concentrationsPost-RYGBBypass surgeryPlasma glucoseInsulin responseControl groupOverweight/obese controlsInsulin suppression testOral glucose challengePeak insulin concentrationsNon-surgical controlsNadir glucose concentrationsAsymptomatic patientsSymptomatic hypoglycemiaObese controlsRYGB groupGlucose challengeSuppression testPeak glucosePatientsRYGBGlucose concentrationProbiotics 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 microbiotaEndoscopy Is Accurate, Safe, and Effective in the Assessment and Management of Complications Following Gastric Bypass Surgery
Lee J, Van Dam J, Morton J, Curet M, Banerjee S. Endoscopy Is Accurate, Safe, and Effective in the Assessment and Management of Complications Following Gastric Bypass Surgery. The American Journal Of Gastroenterology 2009, 104: 575-582. DOI: 10.14309/00000434-200903000-00014.Peer-Reviewed Original ResearchEndoscopy Is Accurate, Safe, and Effective in the Assessment and Management of Complications Following Gastric Bypass Surgery
Lee JK, Van Dam J, Morton JM, Curet M, Banerjee S. Endoscopy Is Accurate, Safe, and Effective in the Assessment and Management of Complications Following Gastric Bypass Surgery. The American Journal Of Gastroenterology 2009, 104: ajg2008102. PMID: 19262516, DOI: 10.1038/ajg.2008.102.Peer-Reviewed Original ResearchConceptsEndoscopic balloon dilationUGI symptomsAnastomotic strictureBalloon dilationAbnormal findingsEndoscopic scissorsNonabsorbable suturesNormal surgical anatomyUpper gastrointestinal symptomsGastric bypass surgeryComplete symptomatic reliefRole of endoscopyManagement of complicationsGastric bypassGastrointestinal symptomsMarginal ulcerMorbid obesityNonabsorbable suture materialBypass surgeryEndoscopic findingsEndoscopic therapySevere obesityGastrogastric fistulaNormal endoscopySymptomatic relief
2008
Benefits to Patients Choosing Preoperative Weight Loss in Gastric Bypass Surgery: New Results of a Randomized Trial
Solomon H, Liu GY, Alami R, Morton J, Curet MJ. Benefits to Patients Choosing Preoperative Weight Loss in Gastric Bypass Surgery: New Results of a Randomized Trial. Journal Of The American College Of Surgeons 2008, 208: 241-245. PMID: 19228536, DOI: 10.1016/j.jamcollsurg.2008.09.028.Peer-Reviewed Original ResearchConceptsPreoperative weight lossGastric bypass surgeryBody mass indexExcess body weightWeight loss groupBypass surgeryBody weightWeight lossPostoperative complicationsClinical outcomesStanford University Medical CenterImprovement of comorbiditiesNonweight loss groupSimilar preoperative demographicsWeight loss requirementsPatients' clinical outcomesUniversity Medical CenterPreoperative demographicsPatient demographicsConsecutive patientsMass indexMedical CenterLiver massPatientsSurgery343 Probiotics Improve Weight Loss, GI-Related Quality of Life and H2 Breath Tests After Gastric Bypass Surgery: A Prospective Randomized Trial
Woodard G, Peraza J, Downey J, Encarnacion B, Morton J. 343 Probiotics Improve Weight Loss, GI-Related Quality of Life and H2 Breath Tests After Gastric Bypass Surgery: A Prospective Randomized Trial. Gastroenterology 2008, 134: a-846. DOI: 10.1016/s0016-5085(08)63955-4.Peer-Reviewed Original Research
2007
Nature versus Nurture: Identical Twins and Bariatric Surgery
Hagedorn JC, Morton JM. Nature versus Nurture: Identical Twins and Bariatric Surgery. Obesity Surgery 2007, 17: 728-731. PMID: 17879569, DOI: 10.1007/s11695-007-9134-y.Peer-Reviewed Original ResearchConceptsBariatric surgeryWeight lossRYGBP surgeryCohort 1Laparoscopic adjustable gastric band placementAdjustable gastric band placementGastric band placementFirst postoperative yearPostoperative weight lossGastric bypass surgeryIdentical twinsSets of twinsSocial supportWeight loss resultsLAGB placementLaparoscopic RYGBPBMI lossIdentical weight lossUnderwent cholecystectomyPostoperative yearBypass surgeryCase seriesPostoperative managementWeight maintenanceSurgical approachDisappointing 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 periodRetrievable inferior vena cava filters may be safely applied in gastric bypass surgery
Schuster R, Hagedorn JC, Curet MJ, Morton JM. Retrievable inferior vena cava filters may be safely applied in gastric bypass surgery. Surgical Endoscopy 2007, 21: 2277-2279. PMID: 17440780, DOI: 10.1007/s00464-007-9370-1.Peer-Reviewed Original ResearchConceptsIVC filter placementDeep venous thrombosisGastric bypass surgeryBody mass indexInferior vena cava filterVena cava filtersFilter placementBypass surgeryIVC filter retrievalObese patientsCava filtersFilter retrievalProphylactic inferior vena cava filtersAverage body mass indexRetrievable inferior vena cava filtersFatal postoperative complicationsMorbidly obese patientsGastric bypass patientsIVC filter insertionVenous stasis diseaseRetrievable IVC filtersPreoperative insertionGastric bypassPostoperative complicationsBypass patientsIs there a benefit to preoperative weight loss in gastric bypass patients? A prospective randomized trial
Alami RS, Morton JM, Schuster R, Lie J, Sanchez BR, Peters A, Curet MJ. Is there a benefit to preoperative weight loss in gastric bypass patients? A prospective randomized trial. Surgery For Obesity And Related Diseases 2007, 3: 141-145. PMID: 17331803, DOI: 10.1016/j.soard.2006.11.006.Peer-Reviewed Original ResearchConceptsPreoperative weight lossNonweight loss groupWeight loss groupGastric bypass surgeryWeight loss requirementsExcess weight lossBody mass indexLoss groupBypass surgeryWeight lossGastric bypassOperative timeMass indexLaparoscopic gastric bypass surgeryPreoperative body mass indexInitial body mass indexGastric bypass patientsPostoperative weight lossLaparoscopic gastric bypassSimilar preoperative characteristicsOperating room timeWeight loss resultsLaparoscopic RouxMorbid obesityPerioperative complications