2022
National outcomes following benign cardiac tumor resection: A critical sex‐based disparity
Newell P, Zogg CK, Kusner J, Hirji S, Kerolos M, Kaneko T. National outcomes following benign cardiac tumor resection: A critical sex‐based disparity. Journal Of Cardiac Surgery 2022, 37: 2653-2660. PMID: 35662249, DOI: 10.1111/jocs.16654.Peer-Reviewed Original ResearchMeSH KeywordsComorbidityDatabases, FactualFemaleHeart NeoplasmsHumansMaleMiddle AgedPatient ReadmissionRisk FactorsConceptsComposite morbiditySurgical resectionIndependent predictorsMultivariable analysisVentricular tumorsFemale sexBenign primary cardiac tumorsCardiac tumor resectionLower comorbidity burdenPrimary cardiac tumorsNationwide Readmissions DatabaseMajority of patientsIntra-atrial septumNational outcomesSex-based disparitiesComorbidity burdenCardiac tumorsPrimary outcomeFemale patientsMean ageVentricular septumPrimary diagnosisRight atriumTumor locationTumor resection
2021
Reassessing the July Effect: 30 Years of Evidence Show No Difference in Outcomes
Zogg CK, Metcalfe D, Sokas CM, Dalton MK, Hirji SA, Davis KA, Haider AH, Cooper Z, Lichtman JH. Reassessing the July Effect: 30 Years of Evidence Show No Difference in Outcomes. Annals Of Surgery 2021, 277: e204-e211. PMID: 33914485, PMCID: PMC8384940, DOI: 10.1097/sla.0000000000004805.Peer-Reviewed Original ResearchConceptsJuly effectMajor morbidityPatient outcomesMajor adverse outcomesNationwide Readmissions DatabaseAdverse patient outcomesSystem-level factorsUS patientsAdverse outcomesSurgical conditionsInclusion criteriaPaucity of studiesReadmissionPatient encountersSystematic reviewMorbidityOutcomesNegative resultsMortalityYears of evidenceTotalYearsEvidencePatientsAdmissionPost-traumatic seizures following pediatric traumatic brain injury
Elsamadicy AA, Koo AB, David WB, Lee V, Zogg CK, Kundishora AJ, Hong C, Reeves BC, Sarkozy M, Kahle KT, DiLuna M. Post-traumatic seizures following pediatric traumatic brain injury. Clinical Neurology And Neurosurgery 2021, 203: 106556. PMID: 33636505, DOI: 10.1016/j.clineuro.2021.106556.Peer-Reviewed Original ResearchConceptsLoss of consciousnessTraumatic brain injuryPost-traumatic seizuresSeizure developmentBrain injuryRisk factorsPre-existing medical comorbiditiesPediatric traumatic brain injuryClinical risk factorsDevelopment of seizuresRate of seizuresDecrease healthcare costsEtiology of injuryType of injuryLogistic regression analysisQuality of careHospital complicationsMedical comorbiditiesNeurological complicationsPediatric patientsTBI patientsGreater proportionNinth RevisionSubarachnoid hemorrhageSecondary diagnosis
2020
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
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 outcomesEpidemiology, treatment, survival, and prognostic factors of cutaneous mucoepidermoid carcinoma: A distinct entity with an indolent clinical course
Mirza FN, Yumeen S, Zogg CK, Mirza HN, Leventhal JS. Epidemiology, treatment, survival, and prognostic factors of cutaneous mucoepidermoid carcinoma: A distinct entity with an indolent clinical course. Journal Of The American Academy Of Dermatology 2020, 83: 1827-1830. PMID: 32446830, PMCID: PMC7669598, DOI: 10.1016/j.jaad.2020.05.086.Peer-Reviewed Original ResearchRisk Factors for the Development of Post-Traumatic Hydrocephalus in Children
Elsamadicy AA, Koo AB, Lee V, David WB, Zogg CK, Kundishora AJ, Hong CS, DeSpenza T, Reeve BC, DiLuna M, Kahle KT. Risk Factors for the Development of Post-Traumatic Hydrocephalus in Children. World Neurosurgery 2020, 141: e105-e111. PMID: 32389871, PMCID: PMC7484270, DOI: 10.1016/j.wneu.2020.04.216.Peer-Reviewed Original ResearchConceptsTraumatic brain injuryRisk factorsBrain injuryNationwide Emergency Department Sample databasePost-traumatic hydrocephalusClinical risk factorsDevelopment of hydrocephalusNeurologic complicationsRespiratory complicationsPediatric patientsHydrocephalus developmentNinth RevisionSubarachnoid hemorrhageEmergency departmentSecondary diagnosisPrimary diagnosisSubdural hemorrhageClinical ModificationInternational ClassificationHydrocephalusHemorrhagePatientsBaseline returnSample databaseAge 6Thirty- and 90-Day Readmissions After Treatment of Traumatic Subdural Hematoma: National Trend Analysis
Koo AB, Elsamadicy AA, David WB, Zogg CK, Santarosa C, Sujijantarat N, Robert SM, Kundishora AJ, Cord BJ, Hebert R, Bahrassa F, Malhotra A, Matouk CC. Thirty- and 90-Day Readmissions After Treatment of Traumatic Subdural Hematoma: National Trend Analysis. World Neurosurgery 2020, 139: e212-e219. PMID: 32272271, PMCID: PMC7380544, DOI: 10.1016/j.wneu.2020.03.168.Peer-Reviewed Original ResearchConceptsTraumatic subdural hematomaSubdural hematomaRheumatoid arthritis/collagen vascular diseasesMultivariate logistic regression analysisCollagen vascular diseaseNationwide Readmissions DatabaseCongestive heart failureLikelihood of readmissionPrimary procedure codeTraumatic brain injuryLogistic regression analysisReadmission ratesRenal failureHeart failurePostoperative infectionNinth RevisionSurgical interventionPatient populationVascular diseaseCerebral meningesBrain injuryClinical ModificationPatient managementReadmissionInternational ClassificationUnderweight patients are at just as much risk as super morbidly obese patients when undergoing anterior cervical spine surgery
Ottesen TD, Malpani R, Galivanche AR, Zogg CK, Varthi AG, Grauer JN. Underweight patients are at just as much risk as super morbidly obese patients when undergoing anterior cervical spine surgery. The Spine Journal 2020, 20: 1085-1095. PMID: 32194246, PMCID: PMC7380546, DOI: 10.1016/j.spinee.2020.03.007.Peer-Reviewed Original ResearchConceptsAnterior cervical spine surgeryBody mass indexCervical spine surgeryNational Surgical Quality Improvement Program databaseSuper morbidly obese patientsQuality Improvement Program databaseWorld Health Organization categoriesMorbidly obese patientsImprovement Program databaseObese patientsAdverse eventsAdverse outcomesSpine surgeryUnderweight patientsPostoperative infectionProgram databaseSurgeons National Surgical Quality Improvement Program databaseMultivariate analysisAnterior cervical spine proceduresOverweight/obese categoriesThirty-day adverse eventsHigher body mass indexLower body mass indexAdverse outcome categoriesNormal BMI patientsRisk Factors Portending Extended Length of Stay After Suboccipital Decompression for Adult Chiari I Malformation
Elsamadicy AA, Koo AB, Lee M, David WB, Kundishora AJ, Freedman IG, Zogg CK, Hong CS, DeSpenza T, Sarkozy M, Kahle KT, DiLuna M. Risk Factors Portending Extended Length of Stay After Suboccipital Decompression for Adult Chiari I Malformation. World Neurosurgery 2020, 138: e515-e522. PMID: 32147550, PMCID: PMC7379177, DOI: 10.1016/j.wneu.2020.02.158.Peer-Reviewed Original ResearchConceptsPatient-level factorsMultivariate logistic regressionExtended LOSLOS cohortSurgical decompressionDecompression surgeryOdds ratioGreater overall complication ratesMultiple patient-level factorsLogistic regressionChiari malformation type IAdult Chiari I malformationPatient's baseline comorbidityOverall complication rateRetrospective cohort studyChiari I malformationRisk-adjusted LOSPostoperative complicationsAdult patientsCohort studyComplication ratePatient demographicsSuboccipital decompressionElectrolyte disordersObstructive hydrocephalusThirty-Day Nonindex Readmissions and Clinical Outcomes After Cardiac Surgery
Hirji SA, Percy ED, Zogg CK, Vaduganathan M, Kiehm S, Pelletier M, Kaneko T. Thirty-Day Nonindex Readmissions and Clinical Outcomes After Cardiac Surgery. The Annals Of Thoracic Surgery 2020, 110: 484-491. PMID: 31972128, PMCID: PMC7382395, DOI: 10.1016/j.athoracsur.2019.11.042.Peer-Reviewed Original ResearchConceptsSurgical aortic valve replacementNonindex readmissionsCardiac surgeryNonindex hospitalNonindex hospital readmissionsCoronary artery bypassNational Readmission DatabaseAortic valve replacementCardiac surgery patientsMajor cardiac surgeryPatient risk profileHigh-volume centersUS adult patientsRegionalization of careFragmentation of careComorbidity burdenHospital mortalityIndex readmissionArtery bypassInitial hospitalizationAdult patientsSurgery patientsValve replacementHospital readmissionIndependent predictors
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 outcome
2018
Racial/Ethnic Disparities in Longer-term Outcomes Among Emergency General Surgery Patients
Zogg CK, Jiang W, Ottesen TD, Shafi S, Schuster K, Becher R, Davis KA, Haider AH. Racial/Ethnic Disparities in Longer-term Outcomes Among Emergency General Surgery Patients. Annals Of Surgery 2018, 268: 968-979. PMID: 28742704, PMCID: PMC5783796, DOI: 10.1097/sla.0000000000002449.Peer-Reviewed Original ResearchConceptsEmergency general surgery patientsNon-Hispanic whitesGeneral surgery patientsLong-term outcomesNon-Hispanic blacksNon-Hispanic AsiansMinority patientsMajor morbidityUnplanned readmissionSurgery patientsOlder adultsRisk-adjusted Cox proportional hazards modelsEthnic disparitiesCox proportional hazards modelDiagnostic categoriesRacial/Ethnic DisparitiesUS population agesProportional hazards modelNHB patientsNonagenarian patientsNHW patientsBACKGROUND DATAHospital's percentageMortality differencesMedicare dataInsurance 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 careCured into Destitution
Scott JW, Raykar NP, Rose JA, Tsai TC, Zogg CK, Haider AH, Salim A, Meara JG, Shrime MG. Cured into Destitution. Annals Of Surgery 2018, 267: 1093-1099. PMID: 28394867, DOI: 10.1097/sla.0000000000002254.Peer-Reviewed Original ResearchConceptsUninsured patientsGreater riskMedian inpatient chargesTrauma-related admissionsNationwide Inpatient SamplePrimary outcome measureMost demographic subgroupsRisk of CHECatastrophic health expenditureFinancial risk protectionRetrospective reviewTrauma populationPrimary diagnosisInpatient chargesInpatient SampleOutcome measuresPatientsSevere injuriesStudy periodUS Census dataHealth careTraumaAdmissionDemographic subgroupsRiskThe “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
2016
Survival 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 advice
2015
The 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 regressionInjuryInfluence of body mass index on outcomes after major resection for cancer
Zogg CK, Mungo B, Lidor AO, Stem M, Diaz A, Haider AH, Molena D. Influence of body mass index on outcomes after major resection for cancer. Surgery 2015, 158: 472-485. PMID: 26008961, DOI: 10.1016/j.surg.2015.02.023.Peer-Reviewed Original ResearchConceptsBody mass indexNormal body mass indexMajor resectionObese patientsMass indexWorse outcomesOdds of morbidityMorbidly obese patientsRisk-adjusted outcomesDuration of stayWorld Health OrganizationBMI cohortsObese IIObese IOverall morbidityPerioperative riskUnderweight patientsPancreatectomy patientsLung surgeryACS-NSQIPOperative timeCancer patientsEvidence-based assessmentOncologic standardsInclusion criteriaGeriatric emergency general surgery: Survival and outcomes in a low-middle income country
Shah AA, Haider AH, Riviello R, Zogg CK, Zafar SN, Latif A, Diaz A, Rehman Z, Zafar H. Geriatric emergency general surgery: Survival and outcomes in a low-middle income country. Surgery 2015, 158: 562-569. PMID: 25999249, DOI: 10.1016/j.surg.2015.03.045.Peer-Reviewed Original ResearchConceptsEmergency general surgery conditionsGreater oddsGeriatric patientsSurgery conditionsEmergency general surgical conditionsGreater risk-adjusted oddsOlder adultsRisk-adjusted oddsClinical Modification diagnosisGeneral surgical conditionsPeptic ulcer diseaseSurgery of TraumaMultivariable regression analysisCase-mix dataYears of ageHealth care settingsLow-middle income countriesCause mortalityGastrointestinal bleedingHospital stayAdult patientsOperative interventionYounger patientsMajor complicationsUlcer disease