2016
National 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
Is 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
2011
B-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
2009
Relationship Between Hospital Volume, System Clinical Resources, and Mortality in Pancreatic Resection
Joseph B, Morton J, Hernandez-Boussard T, Rubinfeld I, Faraj C, Velanovich V. Relationship Between Hospital Volume, System Clinical Resources, and Mortality in Pancreatic Resection. Journal Of The American College Of Surgeons 2009, 208: 520-527. PMID: 19476785, DOI: 10.1016/j.jamcollsurg.2009.01.019.Peer-Reviewed Original ResearchConceptsHospital volumePancreatic resectionGeneral surgery residencyStrong clinical supportClinical resourcesClinical supportOperative mortalityMortality ratePractice scoresLow perioperative mortality rateGastroenterology fellowshipMultiple logistic regression analysisComplex gastrointestinal proceduresInpatient mortality dataPerioperative mortality rateHigh-volume hospitalsLow-volume hospitalsNational Inpatient SampleHigh-volume institutionsLow-volume surgeonsInterventional radiology serviceSurgery residencyFrequency of hospitalLogistic regression analysisPerioperative deaths
2007
Gastrointestinal Complications after Coronary Artery Bypass Grafting: A National Study of Morbidity and Mortality Predictors
Rodriguez F, Nguyen TC, Galanko JA, Morton J. Gastrointestinal Complications after Coronary Artery Bypass Grafting: A National Study of Morbidity and Mortality Predictors. Journal Of The American College Of Surgeons 2007, 205: 741-747. PMID: 18035256, DOI: 10.1016/j.jamcollsurg.2007.07.003.Peer-Reviewed Original ResearchConceptsGI complicationsGastrointestinal complicationsHospital lengthInpatient mortalityPrevious single-institution studiesCoronary Artery Bypass GraftingNational population-based studyConcomitant valve proceduresInternal mammary graftTotal hospital lengthArtery Bypass GraftingCoronary artery bypassIntraaortic balloon pumpNationwide Inpatient SamplePopulation-based studySingle-institution studyInpatient mortality riskLogistic regression analysisCABG patientsArtery bypassBypass GraftingMammary graftBalloon pumpValve proceduresMortality predictors
2005
A national comparison of surgical versus percutaneous drainage of pancreatic pseudocysts: 1997–2001
Morton JM, Brown A, Galanko JA, Norton JA, Grimm IS, Behrns KE. A national comparison of surgical versus percutaneous drainage of pancreatic pseudocysts: 1997–2001. Journal Of Gastrointestinal Surgery 2005, 9: 15-21. PMID: 15623440, DOI: 10.1016/j.gassur.2004.10.005.Peer-Reviewed Original ResearchConceptsPercutaneous drainageLength of staySurgical approachPancreatic pseudocystICD-9 procedure codesDisease-specific severityNational Inpatient SamplePopulation-based studyCase series resultsEndoscopic retrograde cholangiopancreatographyRisk of mortalityLogistic regression modelsHospital dischargeInpatient mortalitySurgical drainageRetrograde cholangiopancreatographyInpatient SampleProtective effectChi2 analysisSurgical advantagesConfounding variablesMortalityPseudocystIllness differencesNational outcomes