2022
The extent to which geography explains one of trauma’s troubling trends: Insurance-based differences in appropriate interfacility transfer
Zogg CK, Schuster KM, Maung AA, Davis KA. The extent to which geography explains one of trauma’s troubling trends: Insurance-based differences in appropriate interfacility transfer. Journal Of Trauma And Acute Care Surgery 2022, 93: 686-694. PMID: 35293375, PMCID: PMC9470786, DOI: 10.1097/ta.0000000000003605.Peer-Reviewed Original ResearchMeSH KeywordsAdultGeographyHumansInsurance CoverageMedically UninsuredPatient TransferRetrospective StudiesTrauma CentersUnited StatesConceptsNontrauma centersEmergency departmentMajor injuriesTrauma centerSignificant geographic variationInsurance-based differencesRisk-adjusted oddsLarge trauma centersNeighborhood socioeconomic disadvantageHierarchical logistic regressionInsured adultsTransfer patientsInsurance statusInterfacility transferStratified analysisED claimsUninsured adultsLevel IIISecondary objectiveTriage patternsDeprived populationsLogistic regressionInjurySocioeconomic disadvantageAdmission differencesDefining Referral Regions for Inpatient Trauma Care: The Utility of a Novel Geographic Definition
Zogg CK, Becher RD, Dalton MK, Hirji SA, Davis KA, Salim A, Cooper Z, Jarman MP. Defining Referral Regions for Inpatient Trauma Care: The Utility of a Novel Geographic Definition. Journal Of Surgical Research 2022, 275: 115-128. PMID: 35272088, PMCID: PMC9038698, DOI: 10.1016/j.jss.2021.12.050.Peer-Reviewed Original ResearchMeSH KeywordsAgedChildHospitalizationHospitalsHumansInpatientsReferral and ConsultationTrauma CentersConceptsHospital referral regionsReferral regionsHospital service areasTrauma regionTrauma careTrauma systemHospital useInpatient trauma careOlder adult patientsState Inpatient DatabasesUS health systemRegional trauma careInpatient traumaAdult patientsNET patientsTrauma patientsInpatient DatabaseDemographic featuresHealth systemImportant demographic factorsPatientsGeographic variationDemographic factorsTraumaCare
2020
The critical threshold value of systolic blood pressure for aortic occlusion in trauma patients in profound hemorrhagic shock.
Ordoñez CA, Rodríguez F, Orlas CP, Parra MW, Caicedo Y, Guzmán M, Serna JJ, Salcedo A, Zogg CK, Herrera-Escobar JP, Meléndez JJ, Angamarca E, Serna CA, Martínez D, García AF, Brenner M. The critical threshold value of systolic blood pressure for aortic occlusion in trauma patients in profound hemorrhagic shock. Journal Of Trauma And Acute Care Surgery 2020, 89: 1107-1113. PMID: 32925582, DOI: 10.1097/ta.0000000000002935.Peer-Reviewed Original ResearchMeSH KeywordsAdultAorta, AbdominalAorta, ThoracicBalloon OcclusionBlood PressureEndovascular ProceduresFemaleHeart ArrestHospital MortalityHumansInjury Severity ScoreLogistic ModelsMaleMultivariate AnalysisProspective StudiesResuscitationShock, HemorrhagicTrauma CentersWounds and InjuriesYoung AdultConceptsSystolic blood pressureProfound hemorrhagic shockTraumatic cardiac arrestAortic occlusionBlood pressureCardiac arrestHemorrhagic shockLevel I trauma centerValues of SBPResuscitative endovascular balloon occlusionI trauma centerAortic cross clampingInjury Severity ScoreMechanism of injuryEndovascular balloon occlusionLogistic regression analysisProbability of deathAdult patientsCross clampingTrauma patientsBalloon occlusionTrauma centerSeverity scorePrehospital settingCardiopulmonary resuscitationChest Trauma Outcomes: Public Versus Private Level I Trauma Centers
Orlas CP, Herrera‐Escobar J, Zogg CK, Serna JJ, Meléndez JJ, Gómez A, Martínez D, Parra MW, García AF, Rosso F, Pino LF, Gonzalez A, Ordoñez CA. Chest Trauma Outcomes: Public Versus Private Level I Trauma Centers. World Journal Of Surgery 2020, 44: 1824-1834. PMID: 31993723, PMCID: PMC7380545, DOI: 10.1007/s00268-020-05400-w.Peer-Reviewed Original ResearchConceptsTrauma centerMedian Injury Severity ScoreLogistic regressionInjury Severity ScorePost-operative complicationsMultivariable logistic regressionRetained hemothoraxHospital mortalityChest traumaClinical characteristicsMedian ageClinical outcomesThoracic traumaUnstable hemodynamicsEmergency roomSeverity scoreHigher oddsLevel IPatientsTraumaSignificant differencesMortalityHemothoraxMediastinitisEmpyema
2018
Insurance Status Biases Trauma-system Utilization and Appropriate Interfacility Transfer
Zogg CK, Schuster KM, Maung AA, Davis KA. Insurance Status Biases Trauma-system Utilization and Appropriate Interfacility Transfer. Annals Of Surgery 2018, 268: 681-689. PMID: 30004929, DOI: 10.1097/sla.0000000000002954.Peer-Reviewed Original ResearchConceptsNTC patientsMajor injuriesOlder adult trauma patientsNationwide Emergency Department SampleOptimal trauma careAdult trauma patientsEmergency department admissionsEmergency Department SampleTrauma center careTransfer of patientsComplex traumatic injuriesMultilevel logistic regressionTrauma patientsDepartment admissionsHigh morbidityTC careDirect admissionInsurance statusInterfacility transferUninsured patientsTrauma careTraumatic injuryOutcome measuresTrauma systemCenter careThe “mortality ascent”
Herrera-Escobar JP, Rios-Diaz AJ, Zogg CK, Wolf LL, Harlow A, Schneider EB, Cooper Z, Ordonez CA, Salim A, Haider AH. The “mortality ascent”. Journal Of Trauma And Acute Care Surgery 2018, 84: 139-145. PMID: 28930947, DOI: 10.1097/ta.0000000000001706.Peer-Reviewed Original ResearchConceptsUnstable trauma patientsLevel I TCsLevel II TCsHours postadmissionTrauma patientsLevel ILevel IIMortality riskHospital mortalityLog-binomial regression modelsNational Trauma Data BankComparable mortality riskHospital-level confoundersInjury Severity ScoreSystolic blood pressureAvailable treatment modalitiesTrauma Data BankSpecific risk factorsRisk-adjusted modelsBlood pressureHigher relative mortalityUnstable patientsBurn patientsSeverity scoreTreatment modalities
2017
Comparison of Epidemiology of the Injuries and Outcomes in Two First‐Level Trauma Centers in Colombia Using the Pan‐American Trauma Registry System
Ramachandran A, Ranjit A, Zogg CK, Herrera‐Escobar J, Appelson JR, Pino LF, Aboutanous MB, Haider AH, Ordonez CA. Comparison of Epidemiology of the Injuries and Outcomes in Two First‐Level Trauma Centers in Colombia Using the Pan‐American Trauma Registry System. World Journal Of Surgery 2017, 41: 2224-2230. PMID: 28417184, DOI: 10.1007/s00268-017-4013-8.Peer-Reviewed Original ResearchConceptsTrauma centerMortality outcomesRisk-adjusted logistic regression analysesTertiary care trauma centerPropensity scoreHospital Universitario del ValleMultivariable logistic regression modelLevel trauma centerTrauma-related mortalityPresence of hypotensionTrauma Registry SystemComparable mean ageMechanism of injuryOdds of deathComparison of EpidemiologyLogistic regression analysisLogistic regression modelsHospital mortalityPatient demographicsGCS scoreTrauma registryInjury epidemiologyMean ageInsurance statusInsurance type
2016
Geographic Distribution of Trauma Burden, Mortality, and Services in the United States: Does Availability Correspond to Patient Need?
Rios-Diaz AJ, Metcalfe D, Olufajo OA, Zogg CK, Yorkgitis B, Singh M, Haider AH, Salim A. Geographic Distribution of Trauma Burden, Mortality, and Services in the United States: Does Availability Correspond to Patient Need? Journal Of The American College Of Surgeons 2016, 223: 764-773.e2. PMID: 28193322, DOI: 10.1016/j.jamcollsurg.2016.08.569.Peer-Reviewed Original ResearchConceptsLevel II trauma centerAge-adjusted mortality ratesTrauma admissionsTrauma centerTrauma serviceTrauma mortalityTrauma burdenMortality rateTrauma care provisionAge-adjusted mortalityCritical care providersTrauma patientsTrauma careCare providersLevel IPatient needsAdmissionProvider densitySurgeon availabilityQuality careMortalityCare provisionSCC fellowshipsAssociationCareAre 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 outcomesInequalities in Specialist Hand Surgeon Distribution across the United States
Rios-Diaz AJ, Metcalfe D, Singh M, Zogg CK, Olufajo OA, Ramos MS, Caterson EJ, Talbot SG. Inequalities in Specialist Hand Surgeon Distribution across the United States. Plastic & Reconstructive Surgery 2016, 137: 1516-1522. PMID: 27119925, DOI: 10.1097/prs.0000000000002103.Peer-Reviewed Original ResearchConceptsSpecialist hand surgeonsHand surgeonsTrauma admissionsRisk-adjusted generalized linear modelsDensity of surgeonsState Inpatient DatabasesMedical specialty databasesFellowship positionsInpatient DatabaseIndependent associationHospital specialistsTrauma careGeneral surgeonsEmergency careHealthcare costsOrthopaedic surgeonsSurgeon densitySurgeonsAdmissionPlastic surgeonsSubspecialty certificateUnited StatesSpecialty databasesAmerican BoardCare“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
Morbidity or mortality? Variations in trauma centres in the rescue of older injured patients
Zafar SN, Shah AA, Zogg CK, Hashmi ZG, Greene WR, Haut ER, Cornwell EE, Haider AH. Morbidity or mortality? Variations in trauma centres in the rescue of older injured patients. Injury 2015, 47: 1091-1097. PMID: 26724172, DOI: 10.1016/j.injury.2015.11.044.Peer-Reviewed Original ResearchMeSH KeywordsAcute Kidney InjuryAgedAged, 80 and overComorbidityDatabases, FactualFailure to Rescue, Health CareFemaleGeriatric AssessmentHospital MortalityHumansInjury Severity ScoreLength of StayMaleMedicaidPneumoniaPostoperative ComplicationsRespiratory Distress SyndromeRisk AssessmentTrauma CentersUnited StatesWounds and InjuriesConceptsOlder trauma patientsMajor complicationsTrauma centerOld traumaRisk-adjusted ratesOlder patientsTrauma patientsNational Trauma Data BankFacility-level covariatesRisk-adjusted incidenceTrauma Data BankProcess of careType of injuryLogistic regression analysisPatient demographicsGeriatric traumaComorbid conditionsGeriatric patientsHigher proportionSerious complicationsInclusion criteriaInjury severityPatientsRescue ratesVital signsThe hazards of off-road motor sports: Are four wheels better than two?
Villegas CV, Bowman SM, Zogg CK, Scott VK, Haut ER, Stevens KA, Efron DT, Haider AH. The hazards of off-road motor sports: Are four wheels better than two? Injury 2015, 47: 178-183. PMID: 26319205, DOI: 10.1016/j.injury.2015.08.001.Peer-Reviewed Original ResearchConceptsHigher risk-adjusted oddsRisk-adjusted oddsATV patientsIntensive care unit admissionNational Trauma Data BankCrash victimsCare unit admissionInjury prevention planningUS National Trauma Data BankTrauma Data BankRelative safety profileUnit admissionAbdominal injuriesRetrospective reviewAnatomic injuryInjury characteristicsSevere headAnatomic distributionSafety profileTrauma outcomesInclusion criteriaPatientsSevere injuriesLogistic regressionInjuryMilitary-to-civilian translation of battlefield innovations in operative trauma care
Haider AH, Piper LC, Zogg CK, Schneider EB, Orman JA, Butler FK, Gerhardt RT, Haut ER, Mather JP, MacKenzie EJ, Schwartz DA, Geyer DW, DuBose JJ, Rasmussen TE, Blackbourne LH. Military-to-civilian translation of battlefield innovations in operative trauma care. Surgery 2015, 158: 1686-1695. PMID: 26210224, DOI: 10.1016/j.surg.2015.06.026.Peer-Reviewed Original Research