2018
Prevalence and characteristics of coronary microvascular dysfunction among chest pain patients in the emergency department
Safdar B, D’Onofrio G, Dziura J, Russell RR, Johnson C, Sinusas AJ. Prevalence and characteristics of coronary microvascular dysfunction among chest pain patients in the emergency department. European Heart Journal Acute Cardiovascular Care 2018, 9: 5-13. PMID: 29543037, DOI: 10.1177/2048872618764418.Peer-Reviewed Original ResearchConceptsCoronary microvascular dysfunctionCoronary artery diseaseCardiac positron emission tomography/Positron emission tomography/Chest pain patientsArtery diseaseAcute myocardial infarctionEmission tomography/Chest painMyocardial infarctionMicrovascular dysfunctionPain patientsEmergency departmentTomography/General emergency department populationLower coronary flow reserveNon-obstructive coronary arteriesPrior emergency department visitsTraditional cardiac risk factorsCardiac risk factorsModerate-risk patientsEmergency department visitsEmergency department patientsCoronary flow reserveEmergency department population
2017
Depression is associated with recurrent chest pain with or without coronary artery disease: A prospective cohort study in the emergency department
Kim Y, Soffler M, Paradise S, Jelani QU, Dziura J, Sinha R, Safdar B. Depression is associated with recurrent chest pain with or without coronary artery disease: A prospective cohort study in the emergency department. American Heart Journal 2017, 191: 47-54. PMID: 28888269, DOI: 10.1016/j.ahj.2017.06.003.Peer-Reviewed Original ResearchConceptsRecurrent chest painCoronary artery diseaseAcute chest painChest painProspective cohort studyChest pain centerClinical Anxiety ScaleEmergency departmentPerceived Stress ScalePain centerCohort studyArtery diseaseNonobstructive coronary artery diseaseObstructive coronary artery diseaseChest pain recurrenceED chest painCardiac risk factorsCardiac stress testingPatient Health QuestionnaireSignificant independent predictorsStress testingMultivariable regression modelsPain recurrenceIndependent predictorsPrimary outcome
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