2022
Beyond In-hospital Mortality
Zogg CK, Cooper Z, Peduzzi P, Falvey JR, Tinetti ME, Lichtman JH. Beyond In-hospital Mortality. Annals Of Surgery 2022, 278: e314-e330. PMID: 36111845, PMCID: PMC10014495, DOI: 10.1097/sla.0000000000005707.Peer-Reviewed Original ResearchConceptsOlder trauma patientsHospital mortalityOlder adultsTrauma patientsHealthy daysSevere traumatic brain injuryAdult trauma careCause of deathUnique health needsTraumatic brain injuryLoss of independenceIndex admissionHip fracturePrimary diagnosisBrain injuryTrauma careTraumatic injuryMedicare claimsHealth needsMortalityAverage numberReadmissionAdultsPatientsQuintile ranksDefining 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 ResearchConceptsHospital 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 resuscitation
2019
Association of Medicaid Expansion With Access to Rehabilitative Care in Adult Trauma Patients
Zogg CK, Scott JW, Metcalfe D, Gluck AR, Curfman GD, Davis KA, Dimick JB, Haider AH. Association of Medicaid Expansion With Access to Rehabilitative Care in Adult Trauma Patients. JAMA Surgery 2019, 154: 402-411. PMID: 30601888, PMCID: PMC6537775, DOI: 10.1001/jamasurg.2018.5177.Peer-Reviewed Original ResearchConceptsAdult trauma patientsTrauma patientsMedicaid expansionNonexpansion statesInsurance coverageAffordable Care ActExpansion statesPatient ProtectionInpatient rehabilitation facilityCare ActSkilled nursing facilitiesMedicaid expansion statesSex-based disparitiesHome health agenciesRace/ethnicityPostdischarge careTrauma populationFunctional outcomeRehabilitation gainsLeading causeRehabilitative careTrauma outcomesMAIN OUTCOMENursing facilitiesRehabilitation facilityImpact of Affordable Care Act–related insurance expansion policies on mortality and access to post-discharge care for trauma patients
Scott JW, Neiman PU, Uribe-Leitz T, Scott KW, Zogg CK, Salim A, Haider AH. Impact of Affordable Care Act–related insurance expansion policies on mortality and access to post-discharge care for trauma patients. Journal Of Trauma And Acute Care Surgery 2019, 86: 196-205. PMID: 30694984, DOI: 10.1097/ta.0000000000002117.Peer-Reviewed Original ResearchConceptsPost-discharge careTrauma patientsInpatient mortalityPost-acute careAffordable Care ActCoverage expansion policiesUninsured ratePost-acute care facilitiesState-level Medicaid expansionMedicaid expansionNational Trauma Data BankPolicy-associated changesAdult trauma patientsTrauma Data BankPost-acute servicesUninsured trauma patientsCare ActHome health servicesInsurance coverage expansionCoverage expansionPost-policy periodPatients 18Discharge dispositionPatient demographicsInjury characteristics
2018
Patient Presentations in Outpatient Settings
Zogg CK, Haring RS, Xu L, Canner JK, Ottesen TD, Salim A, Haider AH, Schneider EB. Patient Presentations in Outpatient Settings. Epidemiology 2018, 29: 885-894. PMID: 30063541, PMCID: PMC6167152, DOI: 10.1097/ede.0000000000000900.Peer-Reviewed Original ResearchConceptsInjury-specific factorsOutpatient settingHead traumaTrauma patientsEmergency departmentIndex outpatient visitAmbulatory care useHead trauma patientsEmergency department careOutpatient presentationClinic visitsIndex presentationOutpatient visitsOutpatient burdenCare useOutpatient casesIncidence ratePatient presentationCommercial ClaimsTrauma diagnosisSubsequent visitsAnnual burdenTrauma trendsDisease controlPatientsInsurance 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
Universal Health Insurance and its association with long term outcomes in Pediatric Trauma Patients
Sharma M, Schoenfeld AJ, Jiang W, Chaudhary MA, Ranjit A, Zogg CK, Learn P, Koehlmoos T, Haider AH. Universal Health Insurance and its association with long term outcomes in Pediatric Trauma Patients. Injury 2017, 49: 75-81. PMID: 28965684, DOI: 10.1016/j.injury.2017.09.016.Peer-Reviewed Original ResearchMeSH KeywordsChildChild, PreschoolDelivery of Health CareEthnicityFemaleFollow-Up StudiesHealth Services AccessibilityHealthcare DisparitiesHumansInjury Severity ScoreInsurance, HealthLength of StayLongitudinal StudiesMaleMedicarePatient DischargeRetrospective StudiesTreatment OutcomeUnited StatesUniversal Health InsuranceWounds and InjuriesConceptsPediatric trauma patientsTrauma patientsInjury Severity ScorePediatric trauma populationAcute care servicesLong-term outcomesMost common injuriesPost-discharge careLongitudinal cohort studyCohort studyDischarge careReadmission ratesWhite patientsInjury characteristicsOutpatient visitsTerm outcomesTrauma populationCommon injuriesSeverity scoreSevere traumaOutpatient servicesTrauma diagnosisPatientsCare servicesUniversal insuranceThe 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
Implications of the Patient Protection and Affordable Care Act on Insurance Coverage and Rehabilitation Use Among Young Adult Trauma Patients.
Zogg CK, Payró Chew F, Scott JW, Wolf LL, Tsai TC, Najjar P, Olufajo OA, Schneider EB, Haut ER, Haider AH, Canner JK. Implications of the Patient Protection and Affordable Care Act on Insurance Coverage and Rehabilitation Use Among Young Adult Trauma Patients. JAMA Surgery 2016, 151: e163609. PMID: 27760245, DOI: 10.1001/jamasurg.2016.3609.Peer-Reviewed Original ResearchConceptsYoung adult trauma patientsDependent coverage provisionAdult trauma patientsAffordable Care ActTrauma patientsRehabilitation useInsurance coverageClinical end pointsPatient ProtectionCare ActCause of deathComplete patient recordsHigh-quality careEmergency departmentMean ageOutpatient settingUninsured patientsPatient outcomesRisk groupsPatientsRehabilitation accessACA implementationRescue ratesPatient recordsLongitudinal assessmentGeographic 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 fellowshipsAssociationCareSurvival outcomes after prolonged intensive care unit length of stay among trauma patients: The evidence for never giving up
Kisat MT, Latif A, Zogg CK, Haut ER, Zafar SN, Hashmi ZG, Oyetunji TA, Cornwell EE, Zafar H, Haider AH. Survival outcomes after prolonged intensive care unit length of stay among trauma patients: The evidence for never giving up. Surgery 2016, 160: 771-780. PMID: 27267552, DOI: 10.1016/j.surg.2016.04.024.Peer-Reviewed Original ResearchConceptsIntensive care unit lengthICU LOSInjury Severity ScoreGlasgow Coma ScaleTrauma patientsRace/ethnicityComa ScaleSeverity scoreNon-Hispanic black race/ethnicityHigh mortalityNational Trauma Data BankBlack race/ethnicityCritical care supportProlonged ICU LOSAdult ICU patientsAdult trauma patientsEmergency department dispositionMultivariable logistic regressionTrauma Data BankClustering of patientsHospital complicationsICU stayVentilator dependencyOverall survivalRenal failureUnplanned 30-day readmissions in orthopaedic trauma
Metcalfe D, Olufajo OA, Zogg CK, Rios-Diaz A, Harris M, Weaver MJ, Haider AH, Salim A. Unplanned 30-day readmissions in orthopaedic trauma. Injury 2016, 47: 1794-1797. PMID: 27262770, DOI: 10.1016/j.injury.2016.05.007.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedCaliforniaChildChild, PreschoolComorbidityFemaleHumansInfantMaleMiddle AgedOrthopedic ProceduresPatient ReadmissionPostoperative ComplicationsQuality Indicators, Health CareRetrospective StudiesRisk FactorsSocioeconomic FactorsSurgical Wound InfectionTime FactorsWounds and InjuriesYoung AdultConceptsTrauma patientsCharlson Comorbidity IndexOverall readmission rateOrthopaedic trauma patientsPrimary outcome measureHospital quality metricsUnplanned readmission riskTrauma readmissionsComorbidity indexInitial hospitalizationReadmission ratesHospital readmissionPatient factorsProcedural complicationsTrauma admissionsMale sexReadmission riskSpinal fracturesCardiopulmonary diseaseBlack racePrimary diagnosisAcute hospitalsMusculoskeletal problemsObservational studyMedical adviceAssociation between Insurance Status and Hospital Length of Stay following Trauma
Englum BR, Hui X, Zogg CK, Chaudhary MA, Villegas C, Bolorunduro OB, Stevens KA, Haut ER, Cornwell EE, Efron DT, Haider AH. Association between Insurance Status and Hospital Length of Stay following Trauma. The American Surgeon 2016, 82: 281-288. PMID: 27099067, PMCID: PMC5142530, DOI: 10.1177/000313481608200324.Peer-Reviewed Original ResearchConceptsInsurance statusHospital lengthTrauma patientsUninsured patientsInjury severityNational Trauma Data BankAcute trauma patientsShorter hospital stayTrauma Data BankUninsured trauma patientsRisk-adjusted LOSMultivariable regression modelsQuality of careHealth care systemHospital LOSHospital stayDischarge dispositionClinical factorsNonclinical factorsTrauma populationSignificant confoundersBaseline differencesInclusion criteriaPatient's abilityClinical care
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 signsBeyond incidence: Costs of complications in trauma and what it means for those who pay
Haider AH, Gupta S, Zogg CK, Kisat MT, Schupper A, Efron DT, Haut ER, Obirieze AC, Schneider EB, Pronvost PJ, MacKenzie EJ, Cornwell EE. Beyond incidence: Costs of complications in trauma and what it means for those who pay. Surgery 2015, 158: 96-103. PMID: 25900034, DOI: 10.1016/j.surg.2015.02.015.Peer-Reviewed Original ResearchConceptsTrauma patientsAttributable costsPrimary ICD-9-CM diagnosis codesAcute respiratory distress syndromeICD-9-CM diagnosis codesTrauma-related complicationsGeneral surgery patientsRespiratory distress syndromeUrinary tract infectionInfluence of complicationsNational Inpatient SampleCost of complicationsIsolated complicationHospital stayAdult patientsSurgery patientsTract infectionsDistress syndromePatient factorsTrauma admissionsDiagnosis codesInpatient SampleMyocardial infarctionComparable cohortsHospital characteristics