2019
Using Machine Learning Applied to Real-World Healthcare Data for Predictive Analytics: An Applied Example in Bariatric Surgery
Johnston SS, Morton JM, Kalsekar I, Ammann EM, Hsiao CW, Reps J. Using Machine Learning Applied to Real-World Healthcare Data for Predictive Analytics: An Applied Example in Bariatric Surgery. Value In Health 2019, 22: 580-586. PMID: 31104738, DOI: 10.1016/j.jval.2019.01.011.Peer-Reviewed Original ResearchMeSH KeywordsBariatric SurgeryDatabases, FactualDiabetes Mellitus, Type 2FemaleHumansHypoglycemic AgentsInsurance Claim ReviewMachine LearningMaleMiddle AgedConceptsLarge US healthcare claims databasesLaparoscopic metabolic surgeryHealthcare claims databasesType 2 diabetesStudy inclusion criteriaLogistic regression modelsDays postindexMedication cessationBariatric surgeryMetabolic surgeryT2D diagnosisCessation ratesPatient selectionMedication treatmentClaims databaseInclusion criteriaTreatment responseDiscriminative accuracyPatientsExternal validationSurgeryRegression modelsHealthcare dataTreatmentUseful predictive models
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 Database
2011
Short-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 cost