2009
Incidence of Retinopathy of Prematurity in the United States: 1997 through 2005
Lad E, Hernandez-Boussard T, Morton J, Moshfeghi D. Incidence of Retinopathy of Prematurity in the United States: 1997 through 2005. American Journal Of Ophthalmology 2009, 148: 451-458.e2. PMID: 19541285, DOI: 10.1016/j.ajo.2009.04.018.Peer-Reviewed Original ResearchConceptsIncidence of retinopathyNational Inpatient SampleLength of stayIntraventricular hemorrhageBirth weightInpatient SampleFetal hemorrhageRespiratory conditionsBlood transferScleral buckle surgeryLow birth weightLaser photocoagulation therapyMultivariate logistic regressionROP incidenceBaseline characteristicsBuckle surgeryPremature infantsROP developmentPlana vitrectomyRetrospective studySurgical interventionPhotocoagulation therapyRisk factorsNewborn infantsHemolytic diseaseRelationship 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
2008
Retinopathy of prematurity in the United States
Lad E, Nguyen T, Morton J, Moshfeghi D. Retinopathy of prematurity in the United States. British Journal Of Ophthalmology 2008, 92: 320. PMID: 18303153, DOI: 10.1136/bjo.2007.126201.Peer-Reviewed Original ResearchConceptsDevelopment of ROPIntraventricular hemorrhageUS hospital dischargesIncidence of retinopathyRespiratory distress syndromeRetinopathy of prematurityNational Inpatient SamplePrimary outcome variableMultivariate logistic regressionHospitalisation chargesHospital lengthBaseline characteristicsHospital dischargeDistress syndromePremature infantsRespiratory distressHispanic raceHospital chargesSurgical interventionBirth weightHispanic infantsTotal incidenceInpatient SampleRisk factorsNewborn infants
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