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
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 world
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