2019
Total hip arthroplasty versus hemiarthroplasty for independently mobile older adults with intracapsular hip fractures
Metcalfe D, Judge A, Perry DC, Gabbe B, Zogg CK, Costa ML. Total hip arthroplasty versus hemiarthroplasty for independently mobile older adults with intracapsular hip fractures. BMC Musculoskeletal Disorders 2019, 20: 226. PMID: 31101041, PMCID: PMC6525472, DOI: 10.1186/s12891-019-2590-4.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAged, 80 and overArthroplasty, Replacement, HipFemur HeadFracture DislocationHemiarthroplastyHip FracturesHumansIndependent LivingMiddle AgedPatient SelectionPostoperative ComplicationsQuality of LifeRandomized Controlled Trials as TopicRegistriesReoperationRisk FactorsUnited KingdomConceptsTotal hip arthroplastyNational Hip Fracture DatabaseHospital Episode StatisticsHip fractureIntracapsular hip fracturesMobile older adultsTHA dislocationOlder adultsHip arthroplastyPropensity scoreHealth-related qualityHip Fracture DatabaseClinical registry dataLength of stayMethodsA systematic reviewUrgent further studyDeath registration dataResultsFive RCTsFit patientsSecondary outcomesPrimary outcomeEpisode StatisticsSafety profileSurgical interventionFunctional outcomeAssociation of Medicaid Expansion Policy with Outcomes in Homeless Patients Requiring Emergency General Surgery
Manzano‐Nunez R, Zogg CK, Bhulani N, McCarty JC, Herrera‐Escobar J, Lu K, Andriotti T, Uribe‐Leitz T, de Jager E, Jarman MP, Haider AH, Ortega G. Association of Medicaid Expansion Policy with Outcomes in Homeless Patients Requiring Emergency General Surgery. World Journal Of Surgery 2019, 43: 1483-1489. PMID: 30706104, DOI: 10.1007/s00268-019-04932-0.Peer-Reviewed Original ResearchConceptsEmergency general surgeryNon-expansion statesMedical adviceHomeless patientsSurgical complicationsMedicaid expansionHospital chargesGeneral surgeryLower oddsPrimary EGS diagnosesHome healthcareMultivariable logistic regressionExpansion statesLength of stayNon-Medicaid expansion statesState Inpatient DatabasesMedicaid expansion statesMultivariable quantile regressionEGS proceduresClinical eventsEGS diagnosesInpatient DatabaseHomeless individualsHigher oddsNon-significant difference
2017
Differences in rural and urban outcomes: a national inspection of emergency general surgery patients
Chaudhary MA, Shah AA, Zogg CK, Changoor N, Chao G, Nitzschke S, Havens JM, Haider AH. Differences in rural and urban outcomes: a national inspection of emergency general surgery patients. Journal Of Surgical Research 2017, 218: 277-284. PMID: 28985861, DOI: 10.1016/j.jss.2017.06.034.Peer-Reviewed Original ResearchConceptsLength of stayRural patientsEGS conditionsUrban hospitalOverall oddsEmergency general surgery conditionsEmergency general surgery patientsShorter LOSGeneral surgery patientsPatient-level factorsLimited clinical importanceNational Inpatient SampleSurgery of TraumaRegionalization of careCost of careMultivariable regression modelsUnited States populationHospital mortalityEGS patientsSurgery patientsUrban patientsAdult patientsMajor complicationsPrimary diagnosisInpatient SampleThe Association Between Medicare Eligibility and Gains in Access to Rehabilitative Care
Zogg CK, Scott JW, Metcalfe D, Seshadri AJ, Tsai TC, Davis WA, Rose JA, Olufajo OA, Zafar SN, Salim A, Haider AH. The Association Between Medicare Eligibility and Gains in Access to Rehabilitative Care. Annals Of Surgery 2017, 265: 734-742. PMID: 28267694, DOI: 10.1097/sla.0000000000001754.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsAgedDatabases, FactualEligibility DeterminationFemaleHealth Care CostsHumansIncidenceInjury Severity ScoreInsurance CoverageMaleMedicareMiddle AgedNeeds AssessmentOutcome Assessment, Health CarePatient DischargePostoperative CareRehabilitation CentersRetrospective StudiesRisk AssessmentUnited StatesWounds and InjuriesConceptsSkilled nursing facilitiesAge 64Insurance statusNational Trauma Data BankMedicare eligibilityPost-discharge rehabilitationInsurance coverageAge 65 yearsTrauma Data BankLength of staySevere clinical presentationAcute inpatient facilitiesHealth policy changesTrauma patientsClinical presentationSimilar patientsDiagnosis codesStratified subgroupsInpatient careRehabilitative careTrauma systemAge 54SNF useInpatient facilitiesNursing facilities
2016
Are Older Adults With Hip Fractures Disadvantaged in Level 1 Trauma Centers?
Metcalfe D, Olufajo OA, Zogg CK, Gates JD, Weaver MJ, Harris MB, Rios-Diaz AJ, Haider AH, Salim A. Are Older Adults With Hip Fractures Disadvantaged in Level 1 Trauma Centers? Medical Care 2016, 54: 616-622. PMID: 26974676, DOI: 10.1097/mlr.0000000000000535.Peer-Reviewed Original ResearchConceptsLevel 1 trauma centerHigh-level trauma centersTrauma centerNontrauma centersHip fractureOlder adultsVenous thromboembolismPatient groupLevel 2 trauma centerIsolated hip fractureRetrospective cohort studyWorse clinical outcomesLength of stayLarge regional hospitalInhospital mortalityUnderwent surgeryUnplanned readmissionCohort studySurgical treatmentClinical outcomesInterhospital transferInpatient stayRegional hospitalHigher oddsBetter outcomesHospital case volume and outcomes for proximal femoral fractures in the USA: an observational study
Metcalfe D, Salim A, Olufajo O, Gabbe B, Zogg C, Harris MB, Perry DC, Costa ML. Hospital case volume and outcomes for proximal femoral fractures in the USA: an observational study. BMJ Open 2016, 6: e010743. PMID: 27056592, PMCID: PMC4838676, DOI: 10.1136/bmjopen-2015-010743.Peer-Reviewed Original ResearchConceptsHigh-volume hospitalsHip fractureObservational studyIsolated hip fractureRate of pneumoniaHip fracture careHospital case volumeLow-volume hospitalsProximal femoral fracturesLength of stayPatient safety imperativeHospital mortalityVenous thromboembolismSecondary outcomesFracture careClinical outcomesFemoral fracturesAcute hospitalsPatient outcomesInclusion criteriaPressure ulcersCase volumeHospitalOlder adultsOutcomesNever giving up: outcomes and presentation of emergency general surgery in geriatric octogenarian and nonagenarian patients
Shah AA, Zafar SN, Kodadek LM, Zogg CK, Chapital AB, Iqbal A, Greene WR, Cornwell EE, Havens J, Nitzschke S, Cooper Z, Salim A, Haider AH. Never giving up: outcomes and presentation of emergency general surgery in geriatric octogenarian and nonagenarian patients. The American Journal Of Surgery 2016, 212: 211-220.e3. PMID: 27086200, DOI: 10.1016/j.amjsurg.2016.01.021.Peer-Reviewed Original ResearchConceptsLength of stayNonagenarian patientsYoung adultsUtilization Project Nationwide Inpatient SampleLower total hospital costsEmergency general surgery patientsShorter LOSLower risk-adjusted oddsOlder adultsPrimary EGS diagnosesEmergency general surgeryGeneral surgery patientsRisk-adjusted oddsTotal hospital costsHigher mortality riskRisk-adjusted differencesGastrostomy careMajor morbidityOlder patientsSurgery patientsEGS diagnosesInpatient SampleHospital costsHigher oddsGeneral surgeryInfluence of sub-specialty surgical care on outcomes for pediatric emergency general surgery patients in a low-middle income country
Shah AA, Shakoor A, Zogg CK, Oyetunji T, Ashfaq A, Garvey EM, Latif A, Riviello R, Qureshi FG, Mateen A, Haider AH, Zafar H. Influence of sub-specialty surgical care on outcomes for pediatric emergency general surgery patients in a low-middle income country. International Journal Of Surgery 2016, 29: 12-18. PMID: 26971828, DOI: 10.1016/j.ijsu.2016.03.007.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAsia, SoutheasternChildChild, PreschoolDeveloping CountriesEmergency Service, HospitalFemaleGeneral SurgeryHealth ResourcesHospital MortalityHumansLength of StayMaleOutcome Assessment, Health CarePakistanPediatric Emergency MedicinePostoperative ComplicationsRetrospective StudiesConceptsLength of stayPediatric patientsPediatric surgeryPediatric surgeonsEmergency general surgical conditionsHigher risk-adjusted oddsEmergency general surgery patientsBetter post-operative outcomesAverage LOSAdult general surgeonsAdult general surgeryGeneral surgery patientsGeneral surgical teamRisk-adjusted oddsGeneral surgical conditionsGeneral surgery teamPost-operative outcomesMultivariable regression analysisPediatric surgical specialtiesChildren/adolescentsResource-constrained settingsResource-limited settingsLow-middle income countriesMost patientsSurgery patientsAccess to post-discharge inpatient care after lower limb trauma
Metcalfe D, Davis WA, Olufajo OA, Rios-Diaz AJ, Chaudhary MA, Harris MB, Zogg CK, Weaver MJ, Salim A. Access to post-discharge inpatient care after lower limb trauma. Journal Of Surgical Research 2016, 203: 140-144. PMID: 27338544, DOI: 10.1016/j.jss.2016.02.036.Peer-Reviewed Original ResearchConceptsLength of stayHospital LOSLower limb traumaLimb traumaInsurance statusUninsured patientsInpatient careLonger hospital LOSCalifornia State Inpatient DatabaseState Inpatient DatabasesLower limb injuriesNon-acute servicesAcute hospitalizationHospital dischargeInpatient DatabaseHospital characteristicsTrauma bedsClinical ModificationLimb injuriesObservational studyLower oddsEmergency careInternational ClassificationPatientsPrivate insuranceEvaluation of the Perceived Association Between Resident Turnover and the Outcomes of Patients Who Undergo Emergency General Surgery: Questioning the July Phenomenon
Shah AA, Zogg CK, Nitzschke SL, Changoor NR, Havens JM, Salim A, Cooper Z, Haider AH. Evaluation of the Perceived Association Between Resident Turnover and the Outcomes of Patients Who Undergo Emergency General Surgery: Questioning the July Phenomenon. JAMA Surgery 2016, 151: 1-8. PMID: 26536282, DOI: 10.1001/jamasurg.2015.3940.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overEducation, Medical, GraduateEmergenciesFemaleGeneral SurgeryHospital MortalityHospitals, TeachingHumansLength of StayMaleMiddle AgedOutcome Assessment, Health CarePersonnel TurnoverPropensity ScoreRetrospective StudiesSeasonsUnited StatesWorkforceYoung AdultConceptsEmergency general surgeryTotal hospital costsLength of stayJuly phenomenonEGS patientsEGS conditionsHospital costsTeaching hospitalGeneral surgeryLower risk-adjusted oddsOutcomes of patientsRisk-adjusted oddsNationwide Inpatient SampleSurgery of TraumaHospital mortalityAdult patientsEarly patientsPoor outcomeInpatient SamplePrincipal diagnosisRetrospective analysisMAIN OUTCOMEMultivariable regressionPatientsPropensity score“Halo effect” in trauma centers: does it extend to emergent colectomy?
Nagarajan N, Selvarajah S, Gani F, Alshaikh HN, Giuliano K, Zogg CK, Schneider EB, Haider AH. “Halo effect” in trauma centers: does it extend to emergent colectomy? Journal Of Surgical Research 2016, 203: 231-237. PMID: 27125867, DOI: 10.1016/j.jss.2016.01.037.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overColectomyDatabases, FactualDiverticulitis, ColonicEmergenciesFemaleHospital ChargesHospital MortalityHumansLength of StayLinear ModelsLogistic ModelsMaleMiddle AgedPoisson DistributionQuality Assurance, Health CareQuality Indicators, Health CareTrauma CentersTreatment OutcomeUnited StatesYoung AdultConceptsLength of stayNontrauma centersHospital-level characteristicsTrauma centerEmergent colectomyEmergency general surgery conditionsEmergency general surgery proceduresNationwide Emergency Department SampleEmergency surgical interventionOdds of mortalityEmergency Department SampleGeneral surgery proceduresNontrauma conditionsHospital mortalityMedian ageSurgical interventionSurgical conditionsImproved outcomesSex distributionSurgical careMedian chargePatientsSurgery proceduresSurgery conditionsCase mix
2015
Inpatient Pediatric Tonsillectomy
Raol N, Zogg CK, Boss EF, Weissman JS. Inpatient Pediatric Tonsillectomy. Otolaryngology 2015, 154: 486-493. PMID: 26701174, PMCID: PMC8278804, DOI: 10.1177/0194599815621739.Peer-Reviewed Original ResearchConceptsChildren's teaching hospitalLength of stayInpatient tonsillectomyTeaching hospitalNonteaching hospitalsInpatient DatabaseHospital typeRisk-adjusted generalized linear modelsRisk-adjusted logistic regressionNational estimatesInpatient pediatric tonsillectomyMajor perioperative complicationsKids' Inpatient DatabaseClustering of patientsCost of careYears of ageCross-sectional analysisSystem-level factorsPerioperative complicationsPatient factorsPediatric tonsillectomyHospital costsHigher oddsClaims dataTonsillectomyOperative delay to laparoscopic cholecystectomy
Schwartz DA, Shah AA, Zogg CK, Nicholas LH, Velopulos CG, Efron DT, Schneider EB, Haider AH. Operative delay to laparoscopic cholecystectomy. Journal Of Trauma And Acute Care Surgery 2015, 79: 15-21. PMID: 26091309, DOI: 10.1097/ta.0000000000000699.Peer-Reviewed Original ResearchConceptsHours of admissionAcute cholecystitisLaparoscopic cholecystectomyOperative managementCharlson Comorbidity IndexHospital-related factorsSecond hospital dayTime of surgeryNationwide Inpatient SampleEndoscopic retrograde cholangiopancreatographyLength of stayNext-day surgeryCost of careHealth care providersCost containmentComorbidity indexAdmission dayHospital daysLonger hospitalizationPatient demographicsAdult patientsMultivariable analysisOperative delayRetrograde cholangiopancreatographyPrimary diagnosisDoes obesity affect the outcomes of pulmonary resections for lung cancer? A National Surgical Quality Improvement Program analysis
Mungo B, Zogg CK, Hooker CM, Yang SC, Battafarano RJ, Brock MV, Molena D. Does obesity affect the outcomes of pulmonary resections for lung cancer? A National Surgical Quality Improvement Program analysis. Surgery 2015, 157: 792-800. PMID: 25666333, DOI: 10.1016/j.surg.2014.10.016.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overBody Mass IndexDatabases, FactualFemaleHumansLength of StayLogistic ModelsLung NeoplasmsMaleMiddle AgedObesityOperative TimePneumonectomyPostoperative ComplicationsQuality ImprovementRetrospective StudiesRisk FactorsTreatment OutcomeUnited StatesYoung AdultConceptsLength of stayBody mass indexRisk-adjusted LOSNormal weight patientsObese patientsPulmonary resectionLung cancerWeight patientsUnderweight patientsOperative timeNational Surgical Quality Improvement Program analysisNational Surgical Quality Improvement Program databaseQuality Improvement Program databaseNormal body mass indexWorld Health Organization classificationPrevious cardiac surgeryImprovement Program databaseGreater operative timeMultivariable logistic regressionMajor health issuePreoperative comorbiditiesOverall morbidityPostoperative complicationsLung resectionNSQIP database