2022
Association of renalase with clinical outcomes in hospitalized patients with COVID-19
Safdar B, Wang M, Guo X, Cha C, Chun HJ, Deng Y, Dziura J, El-Khoury JM, Gorelick F, Ko AI, Lee AI, Safirstein R, Simonov M, Zhou B, Desir GV. Association of renalase with clinical outcomes in hospitalized patients with COVID-19. PLOS ONE 2022, 17: e0264178. PMID: 35259186, PMCID: PMC8903289, DOI: 10.1371/journal.pone.0264178.Peer-Reviewed Original ResearchConceptsCOVID-19 patientsRenalase levelsIntensive care unit admissionHospitalized COVID-19 patientsMean age 64 yearsCOVID-19Cox proportional hazards modelCare unit admissionPrimary composite outcomeRetrospective cohort studyUse of vasopressorsSevere COVID-19IL-6 levelsAge 64 yearsRisk of deathCOVID-19 subjectsInitial disease severityProportional hazards modelCOVID-19 diseasePlasma renalaseUnit admissionICU admissionCohort studyComposite outcomeCytokine levels
2015
Chest pain syndromes are associated with high rates of recidivism and costs in young United States Veterans
Safdar B, Dziura J, Bathulapalli H, Leslie DL, Skanderson M, Brandt C, Haskell SG. Chest pain syndromes are associated with high rates of recidivism and costs in young United States Veterans. BMC Primary Care 2015, 16: 88. PMID: 26202799, PMCID: PMC4511555, DOI: 10.1186/s12875-015-0287-9.Peer-Reviewed Original ResearchConceptsCoronary artery diseaseUnexplained chest painChest painUCP patientsCAD patientsArtery diseaseRisk factorsReturn visitsSpecific ICD-9 codesVeterans AffairsChest pain syndromeRecurrent chest painReference groupRetrospective cohort studyEvidence-based guidelinesICD-9 codesUnited States veteransDirect total costCAD cohortCause deathCardiac painPain syndromeCohort studyCox regressionEmergency department
2014
Elevated CK-MB with a Normal Troponin Does Not Predict 30-Day Adverse Cardiac Events in Emergency Department Chest Pain Observation Unit Patients
Safdar B, Bezek SK, Sinusas AJ, Russell RR, Klein MR, Dziura JD, D’onofrio G. Elevated CK-MB with a Normal Troponin Does Not Predict 30-Day Adverse Cardiac Events in Emergency Department Chest Pain Observation Unit Patients. Critical Pathways In Cardiology A Journal Of Evidence-Based Medicine 2014, 13: 14-19. PMID: 24526146, DOI: 10.1097/hpc.0000000000000001.Peer-Reviewed Original ResearchConceptsAdverse cardiac eventsCPU patientsNormal troponinAdverse eventsCardiac eventsMultiple logistic regression modelComposite adverse eventsElevated creatinine kinaseObservation unit patientsSerial troponin testingStandardized chart reviewRetrospective cohort studyAcute coronary syndromeNational Death RegistryCoronary artery diseaseLogistic regression modelsPositive troponinPrior CADRenal insufficientCoronary syndromeHemodynamic instabilityChart reviewCohort studyDeath RegistryIschemic electrocardiogram