2022
Young Women With Acute Myocardial Infarction: Risk Prediction Model for 1-Year Hospital Readmission
Dreyer R, Arakaki A, Raparelli V, Murphy T, Tsang S, D’Onofrio G, Wood M, Wright C, Pilote L. Young Women With Acute Myocardial Infarction: Risk Prediction Model for 1-Year Hospital Readmission. CJC Open 2022, 5: 335-344. PMID: 37377522, PMCID: PMC10290947, DOI: 10.1016/j.cjco.2022.12.004.Peer-Reviewed Original ResearchAcute myocardial infarctionRisk prediction modelHospital readmissionYoung womenMyocardial infarctionYoung AMI Patients (VIRGO) studyObstructive coronary artery diseaseRisk of readmissionCongestive heart failureProspective observational studyCoronary artery diseaseYoung female patientHospital readmission riskHospital complicationsHospital stayYounger patientsArtery diseaseClinical factorsHeart failureFemale patientsReadmission riskObservational studyModest discriminationHigh riskDepressive symptoms
2021
Mild cognitive impairment in middle-aged adults with coronary microvascular dysfunction
Nowroozpoor A, Sharp E, Gordon R, Malicki C, Hwang U, Dziura J, D'Onofrio' G, Safdar B. Mild cognitive impairment in middle-aged adults with coronary microvascular dysfunction. European Heart Journal 2021, 42: ehab724.2744. DOI: 10.1093/eurheartj/ehab724.2744.Peer-Reviewed Original ResearchCoronary microvascular dysfunctionCoronary flow reservePerfusion defectsCognitive impairmentMean ageCMD patientsCardiac positron emission tomography/Chest pain observation unitPositron emission tomography/Coronary artery diseaseSmall vessel diseaseEmission tomography/Montreal Cognitive AssessmentChest discomfortHypertensive urgencyMicrovascular dysfunctionArtery diseaseHeart failureVessel diseaseMyocardial infarctionTomography/Odds ratioFlow reserveNormal groupYears of educationUse of peripheral arterial tonometry in detection of abnormal coronary flow reserve
Gaeta M, Nowroozpoor A, Dziura J, D'Onofrio G, Sinusas AJ, Safdar B. Use of peripheral arterial tonometry in detection of abnormal coronary flow reserve. Microvascular Research 2021, 138: 104223. PMID: 34256085, PMCID: PMC10227886, DOI: 10.1016/j.mvr.2021.104223.Peer-Reviewed Original ResearchConceptsLower coronary flow reserveCoronary flow reserveCoronary microvascular dysfunctionCoronary artery diseaseClinical screening toolPET/CTFlow reserveRubidium-82 positron emission tomography/Large vessel coronary artery diseaseNormal coronary flow reserveTraditional CAD risk factorsVessel coronary artery diseaseAbnormal coronary flow reservePositron emission tomography/Screening toolPeripheral arterial tonometryCAD risk factorsEmission tomography/Presence of calcificationLower RHIHyperemia indexArterial tonometryMicrovascular dysfunctionArtery diseaseAugmentation index
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
Ranolazine 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
2016
MICROVASCULAR ANGINA IN THE ABSENCE OF CORONARY ARTERY DISEASE IS COMMON IN UNDIFFERENTIATED CHEST PAIN PATIENTS IN THE EMERGENCY DEPARTMENT
Safdar B, D’Onofrio G, Dziura J, Russell R, Naftilan M, Johnson C, Sinusas A. MICROVASCULAR ANGINA IN THE ABSENCE OF CORONARY ARTERY DISEASE IS COMMON IN UNDIFFERENTIATED CHEST PAIN PATIENTS IN THE EMERGENCY DEPARTMENT. Journal Of The American College Of Cardiology 2016, 67: 1824. DOI: 10.1016/s0735-1097(16)31825-3.Peer-Reviewed Original ResearchMicrovascular Dysfunction as Opposed to Conduit Artery Disease Explains Sex-specific Chest Pain in Emergency Department Patients With Low to Moderate Cardiac Risk
Safdar B, Ali A, D’Onofrio G, Katz SD. Microvascular Dysfunction as Opposed to Conduit Artery Disease Explains Sex-specific Chest Pain in Emergency Department Patients With Low to Moderate Cardiac Risk. Clinical Therapeutics 2016, 38: 240-255.e1. PMID: 26778090, DOI: 10.1016/j.clinthera.2015.12.010.Peer-Reviewed Original ResearchConceptsChest painControl subjectsMicrovascular dysfunctionArtery diseaseObstructive coronary artery diseaseCommon emergency department presentationConduit vessel functionCoronary artery vasomotionTransient forearm ischemiaAcute chest painCardiac risk factorsPersistent chest painAcute coronary syndromeBrachial artery diameterFramingham risk scoreProspective cohort studyChest pain centerSystolic blood pressureAsymptomatic healthy volunteersCoronary artery diseaseEmergency department presentationsBrachial artery reactivityPeripheral microvascular dysfunctionHigh-resolution ultrasoundArtery dysfunction
2015
Gender differences in pre-event health status of young patients with acute myocardial infarction: A VIRGO study analysis
Dreyer RP, Smolderen KG, Strait KM, Beltrame JF, Lichtman JH, Lorenze NP, D’Onofrio G, Bueno H, Krumholz HM, Spertus JA. Gender differences in pre-event health status of young patients with acute myocardial infarction: A VIRGO study analysis. European Heart Journal Acute Cardiovascular Care 2015, 5: 43-54. PMID: 25681487, PMCID: PMC4658311, DOI: 10.1177/2048872615568967.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionPrior coronary artery diseaseCoronary artery diseaseHealth statusMyocardial infarctionYounger patientsArtery diseaseCoronary artery disease historyDisease-specific health statusAcute myocardial infarction patientsAggressive symptom controlCornerstone of careWorse physical functionBaseline health statusMedical record abstractionVisual analog scaleHealth status outcomesMyocardial infarction patientsDisease-specific measuresMean health scoresLogistic regression analysisQuality of lifeHealth status informationGender differencesSymptom control
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