Ashkan Abdollahi, MD
he/him/his
Hospital ResidentCards
About
Research
Publications
2025
Left-to-Right Chamber Volume Ratios at Cardiac MRI Predict Cardiac Events: A Multi-Ethnic Study of Atherosclerosis Secondary Analysis.
Hoballah M, Chehab O, Abdollahi A, Wu C, Scarpa B, Post W, Allen N, Bluemke D, Ambale-Venkatesh B, Lima J. Left-to-Right Chamber Volume Ratios at Cardiac MRI Predict Cardiac Events: A Multi-Ethnic Study of Atherosclerosis Secondary Analysis. Radiology 2025, 316: e243462. PMID: 40828040, PMCID: PMC12405728, DOI: 10.1148/radiol.243462.Peer-Reviewed Original ResearchConceptsAtrial fibrillationHeart failureMulti-Ethnic Study of AtherosclerosisMulti-Ethnic StudyCardiovascular diseaseRight ventricleCardiac eventsCardiac MRIAssociated with cardiac eventsPredicting cardiac eventsNormal right ventricleHistory of cardiovascular diseaseVentricular volume ratioRisk of HFCox regression modelsSex-specific percentilesLeft ventricle volumeTraditional risk factorsSecondary analysisChamber volumePrediction of HFAtrial volumeIndex volumeMulti-Ethnic Study of Atherosclerosis participantsEnd-diastolicAssociation of right ventricular structure and function with Heart Failure with reduced and preserved Ejection Fraction: the MESA study
Venkatesh B, Mukherjee M, Abdollahi A, Chehab O, Zeitoun R, Varadarajan V, Wu C, Barr G, Post W, Allen N, Kawut S, Bluemke D, Lima J. Association of right ventricular structure and function with Heart Failure with reduced and preserved Ejection Fraction: the MESA study. Proceedings Of The International Society For Magnetic Resonance In Medicine ... Scientific Meeting And Exhibition. 2025 DOI: 10.58530/2025/4161.Peer-Reviewed Original ResearchRight ventricular structureRight ventricular ejection fractionVentricular ejection fractionEjection fractionHeart failureHeart failure subtypesVentricular structurePrediction of heart failureLower right ventricular ejection fractionHigh riskRisk of heart failureRV ejection fractionAssociated with heart failureHigher risk of heart failureCardiac magnetic resonanceCohort free of cardiovascular diseaseFree of cardiovascular diseaseCohort studyCardiovascular diseaseLeft sideRight sideMESA studySubtypesHeartAortic valve calcium as a novel risk marker for kidney function deterioration: The MESA study
Abdollahi A, Sani M, Shabani M, Matuck B, Blaha M, Wu C, Ambale-Venkatesh B, Budoff M, Strom J, Rotter J, Post W, Blumenthal R, Bluemke D, Ghahramani N, Lima J, Whelton S. Aortic valve calcium as a novel risk marker for kidney function deterioration: The MESA study. European Journal Of Internal Medicine 2025, 136: 49-55. PMID: 40263084, DOI: 10.1016/j.ejim.2025.03.037.Peer-Reviewed Original ResearchConceptsMulti-Ethnic Study of AtherosclerosisRisk of incident chronic kidney diseaseIncident chronic kidney diseaseAortic valve calciumInternational Classification of DiseasesChronic kidney diseaseCardiac CT scansAdjusted Cox proportional hazards regression modelsMultivariable adjusted Cox proportional hazards regression modelsParticipants free of chronic kidney diseaseCardiovascular diseaseMulti-Ethnic Study of Atherosclerosis studyValve calciumCT scanCVD risk factorsHistory of cardiovascular diseaseCategorized as 0Higher risk of incident CKDFree of chronic kidney diseaseAssociated with increased risk of mortalityMulti-Ethnic StudyAtherosclerotic CVD risk factorsMulti-ethnic cohortAPOE-e4 genotypeClassification of diseasesLEFT-TO-RIGHT CARDIAC CHAMBER VOLUME RATIOS AS PREDICTORS OF CARDIOVASCULAR EVENTS: THE MULTI-ETHNIC STUDY OF ATHEROSCLEROSIS (MESA)
Hoballah M, Chehab O, Abdollahi A, Wu C, Scarpa B, Post W, Allen N, Bluemke D, Venkatesh B, Lima J. LEFT-TO-RIGHT CARDIAC CHAMBER VOLUME RATIOS AS PREDICTORS OF CARDIOVASCULAR EVENTS: THE MULTI-ETHNIC STUDY OF ATHEROSCLEROSIS (MESA). Journal Of The American College Of Cardiology 2025, 85: 2109. DOI: 10.1016/s0735-1097(25)02593-8.Peer-Reviewed Original Research
2024
Impact of ultra-high-resolution on cardiac CT assessment of coronary artery stenoses, plaque burden/composition, and pericoronary adipose tissue attenuation
Matuck B, Latina J, Shabani M, Hoballah M, Mattheson M, Ostovaneh A, Abdollahi A, Ebrahimihoor E, Trost J, Mahesh M, Lima J, Arbab-Zadeh A. Impact of ultra-high-resolution on cardiac CT assessment of coronary artery stenoses, plaque burden/composition, and pericoronary adipose tissue attenuation. European Heart Journal 2024, 45: ehae666.207. DOI: 10.1093/eurheartj/ehae666.207.Peer-Reviewed Original ResearchConventional CCTAPericoronary adipose tissue attenuationAdipose tissue attenuationPlaque volumeUHR-CTPericoronary adipose tissue attenuation valuesCoronary artery plaque volumeCoronary Computed Tomography AngiographyHigh-risk plaque featuresHigher coronary calcium scoresFibrous plaque volumeNon-stented patientsInvasive coronary angiographyCoronary calcium scoreAssessment of coronary artery stenosisPlaque compositionCut-off valueTissue attenuationCoronary artery stenosisMinimal lumen areaAIDR 3DObstructive CADCT attenuationAgatston scoreCalcium scoreImpact Of Ultra-high-resolution On Cardiac CT Assessment Of Coronary Artery Stenoses, Plaque Burden/composition, And Pericoronary Adipose Tissue Attenuation
Matuck B, Matheson M, Latina J, Shabani M, Hoballah M, Ostovaneh A, Abdollahi A, Ebrahimihoor E, Trost J, Mashes M, Lima J, Arbab-Zadeh A. Impact Of Ultra-high-resolution On Cardiac CT Assessment Of Coronary Artery Stenoses, Plaque Burden/composition, And Pericoronary Adipose Tissue Attenuation. Journal Of Cardiovascular Computed Tomography 2024, 18: s67-s68. DOI: 10.1016/j.jcct.2024.05.159.Peer-Reviewed Original ResearchDifferential Stroke Volume between Left and Right Ventricles as a Predictor of Clinical Outcomes: The MESA Study.
Abdollahi A, Kato Y, Bakhshi H, Varadarajan V, Chehab O, Zeitoun R, Ostovaneh M, Wu C, Bertoni A, Shah S, Ambale-Venkatesh B, Bluemke D, Lima J. Differential Stroke Volume between Left and Right Ventricles as a Predictor of Clinical Outcomes: The MESA Study. Radiology 2024, 312: e232973. PMID: 39041933, PMCID: PMC11294760, DOI: 10.1148/radiol.232973.Peer-Reviewed Original ResearchConceptsLV stroke volumeHeart failureAtrial fibrillationRisk of mortalityStroke volumeCardiac MRICardiovascular diseaseClinical outcomesIncreased riskIncreased risk of heart failureRight ventricular (RVPredictor of clinical outcomeMultivariate Cox proportional hazards regression modelsRisk of heart failureCox proportional hazards regression modelsBaseline LV functionRV stroke volumeIncreased risk of mortalityProportional hazards regression modelsValvular heart diseaseVentricular stroke volumeHazards regression modelsLV functionPrognostic valueRight ventriclePredicting the risk of mortality and rehospitalization in heart failure patients: A retrospective cohort study by machine learning approach
Tabrizi R, Ketabi M, Andishgar A, Vali M, Fereidouni Z, Sani M, Abdollahi A, Alkamel A. Predicting the risk of mortality and rehospitalization in heart failure patients: A retrospective cohort study by machine learning approach. Clinical Cardiology 2024, 47: e24280. PMID: 38767029, PMCID: PMC11103634, DOI: 10.1002/clc.24280.Peer-Reviewed Original ResearchULTRA-HIGH-RESOLUTION VS. CONVENTIONAL CORONARY CT ANGIOGRAPHY IN PATIENTS WITH SUSPECTED CORONARY ARTERY DISEASE
Scarpa B, Abdollahi A, Chehab O, Matheson M, Ostovaneh A, Ebrahimihoor E, Hoballah M, Lima J, Zadeh A. ULTRA-HIGH-RESOLUTION VS. CONVENTIONAL CORONARY CT ANGIOGRAPHY IN PATIENTS WITH SUSPECTED CORONARY ARTERY DISEASE. Journal Of The American College Of Cardiology 2024, 83: 1532. DOI: 10.1016/s0735-1097(24)03522-8.Peer-Reviewed Original ResearchPredicting the risk of mortality and rehospitalization in heart failure patients: A retrospective cohort study by machine learning approach
Ketabi M, Andishgar A, Fereidouni Z, Sani M, Abdollahi A, Vali M, Alkamel A, Tabrizi R. Predicting the risk of mortality and rehospitalization in heart failure patients: A retrospective cohort study by machine learning approach. Clinical Cardiology 2024, 47: e24239. PMID: 38402566, PMCID: PMC10894620, DOI: 10.1002/clc.24239.Peer-Reviewed Original ResearchConceptsFamily history of MIIncreased risk of HF readmissionHeart failureHistory of MIAll-Cause MortalityIndividual risk predictionReadmission of HF patientsRisk of mortalityArea under curveFollow-upRetrospective cohort studyRisk of HF readmissionLength of stayRisk stratification toolCohort studyFamily historyIncreased riskHeart failure patientsRisk predictionStratification toolReadmissionSystolic HFHF readmissionHF patientsHemoglobin levels