2019
Elevated renalase levels in patients with acute coronary microvascular dysfunction – A possible biomarker for ischemia
Safdar B, Guo X, Johnson C, D'Onofrio G, Dziura J, Sinusas AJ, Testani J, Rao V, Desir G. Elevated renalase levels in patients with acute coronary microvascular dysfunction – A possible biomarker for ischemia. International Journal Of Cardiology 2019, 279: 155-161. PMID: 30630613, PMCID: PMC6482834, DOI: 10.1016/j.ijcard.2018.12.061.Peer-Reviewed Original ResearchConceptsCoronary microvascular dysfunctionFramingham risk scorePET/CTChest painInflammatory markersMicrovascular dysfunctionEmergency departmentRisk scoreRb-82 PET/CTElevated renalase levelsAcute chest painCoronary artery diseaseC-reactive proteinVascular endothelial growth factorAnti-inflammatory proteinTumor necrosis factorEndothelial growth factorAngina historyCMD diagnosisRenalase levelsHypertensive crisisED presentationsHemodynamic instabilityArtery diseaseHeart failure
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 outcomeRanolazine and Microvascular Angina by PET in the Emergency Department: Results From a Pilot Randomized Controlled Trial
Safdar B, D’Onofrio G, Dziura J, Russell RR, Johnson C, Sinusas AJ. Ranolazine and Microvascular Angina by PET in the Emergency Department: Results From a Pilot Randomized Controlled Trial. Clinical Therapeutics 2017, 39: 55-63. PMID: 28081848, PMCID: PMC10345862, DOI: 10.1016/j.clinthera.2016.12.002.Peer-Reviewed Original ResearchConceptsCoronary microvascular dysfunctionCoronary flow reserveCoronary artery diseaseChest painSymptomatic patientsArtery diseasePrimary outcomeEmergency departmentNonobstructive coronary artery diseaseRb-82 positron emission tomographyEffect of ranolazineRate-pressure productEmergency department patientsQTc-prolonging drugsRobust clinical trialsPositron emission tomographyHypertensive urgencyMicrovascular anginaMicrovascular dysfunctionUnderdiagnosed causeControlled TrialsDepartment patientsHeart failureAcute symptomsPressure product
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