2022
Defining 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
Variation in Risk-standardized Rates and Causes of Unplanned Hospital Visits Within 7 Days of Hospital Outpatient Surgery
Desai MM, Zogg CK, Ranasinghe I, Parzynski CS, Lin Z, Gorbaty M, Merrill A, Krumholz HM, Drye EE. Variation in Risk-standardized Rates and Causes of Unplanned Hospital Visits Within 7 Days of Hospital Outpatient Surgery. Annals Of Surgery 2020, 276: e714-e720. PMID: 33214469, DOI: 10.1097/sla.0000000000004627.Peer-Reviewed Original ResearchConceptsUnplanned hospital visitsHospital outpatient surgeryHospital outpatient departmentsHospital visitsOutpatient surgeryShort-term safety outcomesFacility-level variationHierarchical logistic regression modelingPost-surgical visitSame-day surgeryHalf of proceduresLogistic regression modelingUrinary retentionStudy cohortUnplanned visitsClinical comorbiditiesOutpatient departmentOutpatient settingPreventable conditionPreventable reasonsBACKGROUND DATASafety outcomesMedicare feeSurgeryService beneficiariesThe utility of the nationwide readmissions database in understanding contemporary transcatheter aortic valve replacement outcomes
Hirji S, Zogg CK, Kaneko T. The utility of the nationwide readmissions database in understanding contemporary transcatheter aortic valve replacement outcomes. European Heart Journal 2020, 41: 4358-4359. PMID: 32678898, DOI: 10.1093/eurheartj/ehaa581.Peer-Reviewed Original ResearchComparison of in-hospital outcomes and readmissions for valve-in-valve transcatheter aortic valve replacement vs. reoperative surgical aortic valve replacement: a contemporary assessment of real-world outcomes
Hirji SA, Percy ED, Zogg CK, Malarczyk A, Harloff MT, Yazdchi F, Kaneko T. Comparison of in-hospital outcomes and readmissions for valve-in-valve transcatheter aortic valve replacement vs. reoperative surgical aortic valve replacement: a contemporary assessment of real-world outcomes. European Heart Journal 2020, 41: 2747-2755. PMID: 32445575, PMCID: PMC7395321, DOI: 10.1093/eurheartj/ehaa252.Peer-Reviewed Original ResearchConceptsAortic valve replacement patientsDegenerated bioprosthetic aortic valvesValve replacement patientsBioprosthetic aortic valveVIV-TAVRMajor bleedingReplacement patientsAortic valveSurgical aortic valve replacement patientsTranscatheter aortic valve replacement patientsValve transcatheter aortic valve replacementTranscatheter aortic valve replacementIntermediate-risk patientsNational Readmission DatabaseRoutine home dischargeVIV-TAVR patientsAortic valve replacementHigh-risk patientsThirty-day outcomesSignificant risk factorsUS adult patientsLong-term efficacyReal-world outcomesValve TAVRHospital outcomesQuantifying the Impact of Care Fragmentation on Outcomes After Transcatheter Aortic Valve Implantation
Hirji SA, Zogg CK, Vaduganathan M, Kiehm S, Percy ED, Yazdchi F, Pelletier M, Shah PB, Bhatt DL, O'Gara P, Kaneko T. Quantifying the Impact of Care Fragmentation on Outcomes After Transcatheter Aortic Valve Implantation. The American Journal Of Cardiology 2020, 128: 113-119. PMID: 32650903, DOI: 10.1016/j.amjcard.2020.05.005.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overCardiac CatheterizationCenters for Medicare and Medicaid Services, U.S.ComorbidityContinuity of Patient CareCoronary AngiographyDiabetes MellitusFemaleHospital CostsHospital MortalityHospitalsHumansHypertensionLength of StayLung DiseasesMaleMultivariate AnalysisPacemaker, ArtificialPatient ReadmissionPericardiocentesisPostoperative ComplicationsProsthesis ImplantationStrokeTranscatheter Aortic Valve ReplacementUnited StatesConceptsNonindex hospitalNonindex readmissionsCare fragmentationTranscatheter aortic valve implantation outcomesTranscatheter aortic valve implantationHigher co-morbidity burdenNational Readmission DatabaseAortic valve implantationCo-morbidity burdenTotal hospital costsMajor cardiac proceduresUS adult patientsFuture health policyValue of careIndex readmissionTAVI patientsCause mortalityIndex hospitalNoncardiac causesAdult patientsPatient characteristicsReadmission ratesValve implantationReadmission lengthCardiac proceduresBenchmarking the value of care: Variability in hospital costs for common operations and its association with procedure volume.
Zogg CK, Bernard AC, Hirji SA, Minei JP, Staudenmayer KL, Davis KA. Benchmarking the value of care: Variability in hospital costs for common operations and its association with procedure volume. Journal Of Trauma And Acute Care Surgery 2020, 88: 619-628. PMID: 32039972, PMCID: PMC7802807, DOI: 10.1097/ta.0000000000002611.Peer-Reviewed Original ResearchConceptsLaparoscopic appendectomyLaparoscopic cholecystectomyHospital costsMeans of USMedian costProcedure volumeEmergency general surgeryTotal hospital costsMedian hospital costsNational Inpatient SampleAdults 18 yearsNational cost savingsAnnual procedure volumeValue of careHospital complicationsIndex hospitalHealth care valuePatient characteristicsAdverse outcomesInpatient SampleInclusion criteriaGeneral surgeryHospitalLevel IIICommon operation
2019
Medicare's Hospital Acquired Condition Reduction Program Disproportionately Affects Minority-serving Hospitals: Variation by Race, Socioeconomic Status, and Disproportionate Share Hospital Payment Receipt.
Zogg CK, Thumma JR, Ryan AM, Dimick JB. Medicare's Hospital Acquired Condition Reduction Program Disproportionately Affects Minority-serving Hospitals: Variation by Race, Socioeconomic Status, and Disproportionate Share Hospital Payment Receipt. Annals Of Surgery 2019, 271: 985-993. PMID: 31469746, PMCID: PMC8106480, DOI: 10.1097/sla.0000000000003564.Peer-Reviewed Original Research
2015
Racial/ethnic disparities in emergency general surgery: explained by hospital-level characteristics?
Hall EC, Hashmi ZG, Zafar SN, Zogg CK, Cornwell EE, Haider AH. Racial/ethnic disparities in emergency general surgery: explained by hospital-level characteristics? The American Journal Of Surgery 2015, 209: 604-609. PMID: 25683233, DOI: 10.1016/j.amjsurg.2014.11.005.Peer-Reviewed Original ResearchConceptsEmergency general surgeryHospital-level factorsEGS patientsHigher oddsGeneral surgeryEthnic disparitiesHospital-level characteristicsOdds of deathMultivariable logistic regressionNationwide Inpatient SampleAfrican AmericansHospital admissionAA patientsCaucasian patientsInpatient SamplePatientsLogistic regressionEthnic differencesDeathSurgeryOddsHospitalOverall disparityOutcomesDisparities