2019
Debunking the July Effect in Cardiac Surgery: A National Analysis of More Than 470,000 Procedures
Shah RM, Hirji SA, Kiehm S, Goel S, Yazdchi F, Bellavia A, Zogg CK, Pelletier MP, Shekar P, Kaneko T. Debunking the July Effect in Cardiac Surgery: A National Analysis of More Than 470,000 Procedures. The Annals Of Thoracic Surgery 2019, 108: 929-934. PMID: 31353035, DOI: 10.1016/j.athoracsur.2019.06.015.Peer-Reviewed Original ResearchMeSH KeywordsAcademic Medical CentersAdultAgedCardiac Surgical ProceduresClinical CompetenceCohort StudiesDatabases, FactualEducation, Medical, GraduateFemaleHospital MortalityHospitals, TeachingHumansInpatientsInternship and ResidencyMaleMedical Staff, HospitalMiddle AgedPostoperative ComplicationsQuality of Health CareRisk AdjustmentSeasonsUnited StatesConceptsAortic valve replacementCardiac surgeryJuly effectHospital mortalityPatient outcomesTeaching hospitalMajor cardiac surgery proceduresSurgical aortic valve replacementCoronary artery bypassCardiac surgery proceduresNational Inpatient SampleRisk-adjusted mortalityMitral valve repairCardiac surgery outcomesHospital complicationsArtery bypassMV surgeryNoncardiac surgeryValve replacementAdjusted mortalityValve repairSurgery outcomesInpatient SampleWorse outcomesHospital support systemsCoding algorithms for defining Charlson and Elixhauser co-morbidities in Read-coded databases
Metcalfe D, Masters J, Delmestri A, Judge A, Perry D, Zogg C, Gabbe B, Costa M. Coding algorithms for defining Charlson and Elixhauser co-morbidities in Read-coded databases. BMC Medical Research Methodology 2019, 19: 115. PMID: 31170931, PMCID: PMC6554904, DOI: 10.1186/s12874-019-0753-5.Peer-Reviewed Original ResearchConceptsCharlson Comorbidity IndexClinical Practice Research DatalinkElixhauser methodHip fractureLogistic regression modelsRead codesLarge primary care databaseUK primary care practicesPrimary care databasePrimary care practicesComorbidity categoriesComorbidity indexRegression modelsComorbidity measuresCare databaseComorbidity codesMethodsTwo researchersPredictive valueCare practicesControl populationPredictive propertiesReceiver Operating Characteristic (ROC) curveCharacteristic curveComorbiditiesOperating Characteristic curve
2018
The Cost of Complications Following Major Resection of Malignant Neoplasia
Zogg CK, Ottesen TD, Kebaish KJ, Galivanche A, Murthy S, Changoor NR, Zogg DL, Pawlik TM, Haider AH. The Cost of Complications Following Major Resection of Malignant Neoplasia. Journal Of Gastrointestinal Surgery 2018, 22: 1976-1986. PMID: 29946953, PMCID: PMC6224301, DOI: 10.1007/s11605-018-3850-6.Peer-Reviewed Original ResearchConceptsIncremental hospital costsHospital costsMalignant neoplasiaMajor resectionResection typePre-discharge complicationsSystem-based complicationsImpact of complicationsComplex surgical patientsCost of complicationsLong-term treatmentMore complex patientsMajor gastrointestinal resectionsProviders/payersValue of carePulmonary complicationsUrinary complicationsComplication groupInfectious complicationsAdult patientsRectal resectionSurgical patientsGastrointestinal resectionGI diseaseSurgical outcomes
2016
Never 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 surgery