2023
Aortic Size at the Time of Type A and Type B Dissections
Perez Z, Zafar M, Velasco J, Sonsino A, Ellauzi H, John C, Kalyanasundaram A, Ziganshin B, Elefteriades J. Aortic Size at the Time of Type A and Type B Dissections. The Annals Of Thoracic Surgery 2023, 116: 262-268. PMID: 37062339, DOI: 10.1016/j.athoracsur.2023.03.037.Peer-Reviewed Original ResearchConceptsType B dissectionTime of dissectionB dissectionAortic sizeAortic diameterBicuspid aortic valveThoracic aortic aneurysmAortic interventionAortic dissectionSurgical interventionAortic aneurysmFemale sexAortic valveThoracic aortaProphylactic repairUnadjusted regressionLeft shiftLogistic regressionDissectionNew guidelinesType ASize criteriaOddsInterventionTime of typesKIF6 Trp719Arg Genetic Variant Increases Risk for Thoracic Aortic Dissection
Velasco J, Li Y, Ziganshin B, Zafar M, Rizzo J, Ma D, Zang H, Kalyanasundaram A, Elefteriades J. KIF6 Trp719Arg Genetic Variant Increases Risk for Thoracic Aortic Dissection. Genes 2023, 14: 252. PMID: 36833179, PMCID: PMC9956195, DOI: 10.3390/genes14020252.Peer-Reviewed Original ResearchConceptsThoracic aortic aneurysmAortic dissectionOdds ratioVariant statusArg allele carriersThoracic aortic dissectionOccurrence of ADAortic sizeArg alleleMarked adverse impactTAA patientsAortic aneurysmClinical assessmentSurgical decisionAllele carriersIncrease riskVariant patientsArg carriersPilot studyDissectionImportant intracellular functionsConfirmatory findingsPatientsAneurysmsPresent study
2022
Ultimate tensile strength and biaxial stress–strain responses of aortic tissues—A clinical-engineering correlation
Dong H, Liu M, Lou X, Leshnower B, Sun W, Ziganshin B, Zafar M, Elefteriades J. Ultimate tensile strength and biaxial stress–strain responses of aortic tissues—A clinical-engineering correlation. Applications In Engineering Science 2022, 10: 100101. DOI: 10.1016/j.apples.2022.100101.Peer-Reviewed Original ResearchThoracic aortic dissectionAortic dissectionAortic tissueDissection eventsBicuspid aortic valveUnderlying genetic abnormalitiesHuman aortic tissueHypertensive episodesAortic arch morphologyAortic valveAdvanced ageTissue injuryConnective tissue ingrowthAged animalsAortic wallInciting factorsGenetic abnormalitiesClinical contextArch morphologyDissectionDissected tissuesTissueResponseTissue ingrowthInjuryA machine learning approach for predicting complications in descending and thoracoabdominal aortic aneurysms
Ostberg NP, Zafar MA, Mukherjee SK, Ziganshin BA, Elefteriades JA. A machine learning approach for predicting complications in descending and thoracoabdominal aortic aneurysms. Journal Of Thoracic And Cardiovascular Surgery 2022, 166: 1011-1020.e3. PMID: 35120761, DOI: 10.1016/j.jtcvs.2021.12.045.Peer-Reviewed Original ResearchConceptsType B dissectionThoracoabdominal aortic aneurysmsB dissectionCause mortalityAortic aneurysmReceiver operator curveAortic diameterOperator curveInitial patient encounterOccurrence of dissectionSurgical intervention criteriaMean followPatient sexMyocardial infarctionPatient encountersRetrospective dataEnd pointPatientsAneurysmsDissectionMortalityRisk predictionComplicationsIntervention criteriaRupture
2021
Delayed Surgery for Acute Aortic Dissection
Pinkhasova P, Zafar M, Ziganshin B, Elefteriades J. Delayed Surgery for Acute Aortic Dissection. 2021, 535-551. DOI: 10.1007/978-3-030-66668-2_37.Peer-Reviewed Original ResearchAortic Delamination—A Possible Precursor of Impending Catastrophe
Saeyeldin A, Zafar MA, Baldassarre LA, Mojibian H, Ziganshin BA, Mukherjee SK, Elefteriades JA. Aortic Delamination—A Possible Precursor of Impending Catastrophe. International Journal Of Angiology 2021, 30: 160-164. PMID: 34054275, PMCID: PMC8159620, DOI: 10.1055/s-0040-1718546.Peer-Reviewed Original ResearchAortic wall thicknessAdverse aortic eventsAortic eventsChest painDeep hypothermic circulatory arrestHypothermic circulatory arrestAortic repairAortic ruptureCirculatory arrestOpen repairAortic catastropheAortic diameterSurgical pathologyLimited evidencePowerful predictorPainPatientsDissectionSurgical videosRepairWall thicknessPathology
2020
Increased Virulence of Descending Thoracic and Thoracoabdominal Aortic Aneurysms in Women
Chen JF, Zafar MA, Wu J, Li Y, Rizzo JA, Papanikolaou D, Kalogerakos P, Abdelbaky M, Ellauzi H, Rohde S, Vinholo TF, Charilaou P, Buntin J, Mukherjee SK, Ziganshin BA, Elefteriades JA. Increased Virulence of Descending Thoracic and Thoracoabdominal Aortic Aneurysms in Women. The Annals Of Thoracic Surgery 2020, 112: 45-52. PMID: 33075319, DOI: 10.1016/j.athoracsur.2020.08.026.Peer-Reviewed Original ResearchConceptsThoracoabdominal aortic aneurysmsAortic deathFatal complicationAortic sizeAortic aneurysmFaster aneurysm growthMean aortic diameterComplication rateComposite endpointAortic diameterSurgical interventionCurrent guidelinesAneurysm sizeSex considerationsNatural historyAneurysm growthThoracicWomenDissectionYearly rateComplicationsDeathAneurysmsHigh rateSex differencesThoracic aortic aneurysm gene dictionary
Rohde S, Zafar MA, Ziganshin BA, Elefteriades JA. Thoracic aortic aneurysm gene dictionary. Asian Cardiovascular And Thoracic Annals 2020, 29: 682-696. PMID: 32689806, DOI: 10.1177/0218492320943800.Peer-Reviewed Original ResearchConceptsThoracic aortic aneurysmAortic aneurysmRisk of dissectionSpecific causative mutationSmaller aortic sizeSystemic manifestationsAortic sizeDissection patientsLethal complicationGenetic predispositionProgressive enlargementAneurysmsNatural historyPersonalized careAneurysm growthPatientsFamilial casesClinical realityDissectionNon-syndromic thoracic aortic aneurysmsSubstantial proportionGenetic sequencingDisease phenotypeCausative genesHigh rateThe Genetics of Thoracic Aortic Aneurysms and Dissection: A Clinical Perspective
Ostberg NP, Zafar MA, Ziganshin BA, Elefteriades JA. The Genetics of Thoracic Aortic Aneurysms and Dissection: A Clinical Perspective. Biomolecules 2020, 10: 182. PMID: 31991693, PMCID: PMC7072177, DOI: 10.3390/biom10020182.Peer-Reviewed Original ResearchConceptsAortic aneurysmThoracic aortic aneurysmHigh mortality rateGenetic screening testsClinical manifestationsSurgical interventionNon-syndromic TAADHigh riskMortality rateClear genetic basisScreening testNatural historyClinical perspectiveTAADDegenerative diseasesDissectionCellular mechanismsBiomechanical stressPatientsAneurysmsDiseaseAortaExtensive investigation
2019
Chronologic and Climatic Factors of Acute Aortic Dissection: Study of 1642 Patients in Two Continents
Ma WG, Li B, Zhang W, Sarkar AEH, Tufail R, Peterss S, Zheng J, Zafar MA, Ziganshin B, Zhu JM, Sun LZ, Elefteriades JA. Chronologic and Climatic Factors of Acute Aortic Dissection: Study of 1642 Patients in Two Continents. The Annals Of Thoracic Surgery 2019, 110: 575-581. PMID: 31891696, DOI: 10.1016/j.athoracsur.2019.11.013.Peer-Reviewed Original ResearchAscending Aortic Length and Risk of Aortic Adverse Events The Neglected Dimension
Wu J, Zafar MA, Li Y, Saeyeldin A, Huang Y, Zhao R, Qiu J, Tanweer M, Abdelbaky M, Gryaznov A, Buntin J, Ziganshin BA, Mukherjee SK, Rizzo JA, Yu C, Elefteriades JA. Ascending Aortic Length and Risk of Aortic Adverse Events The Neglected Dimension. Journal Of The American College Of Cardiology 2019, 74: 1883-1894. PMID: 31526537, DOI: 10.1016/j.jacc.2019.07.078.Peer-Reviewed Original ResearchConceptsAortic height indexAortic elongationAdverse eventsAortic diameterAortic lengthAneurysmal ascending aortaThoracic aortic aneurysmLogistic regression modelsATAA patientsRisk stratificationAscending aortaAortic aneurysmNatural historyYearly riskLongitudinal changesHeight indexNovel predictive toolYearly rateIntervention criteriaAverage yearly rateDissectionRegression modelsLittle informationRiskPatientsFluoroquinolones and Aortic Diseases: Is There a Connection
Carino D, Zafar MA, Singh M, Ziganshin BA, Elefteriades JA. Fluoroquinolones and Aortic Diseases: Is There a Connection. Aorta 2019, 07: 035-041. PMID: 31529426, PMCID: PMC6748841, DOI: 10.1055/s-0039-1693468.Peer-Reviewed Original ResearchAortic diseaseAdverse effectsHigh tissue distributionThoracic aortic diseaseConsumption of fluoroquinolonesDifferent adverse effectsNumerous infectious diseasesAntibacterial coverageRetinal detachmentAortic aneurysmClasses of antibioticsInfectious diseasesDiseaseFluoroquinolonesTissue distributionCollagen degradationMolecular mechanismsPossible contributionDysglycemiaAneurysmsArrhythmiasPathogenesisDissectionAchillesSimple renal cysts and bovine aortic arch: markers for aortic disease
Brownstein AJ, Bin Mahmood SU, Saeyeldin A, Velasquez Mejia C, Zafar MA, Li Y, Rizzo JA, Dahl NK, Erben Y, Ziganshin BA, Elefteriades JA. Simple renal cysts and bovine aortic arch: markers for aortic disease. Open Heart 2019, 6: e000862. PMID: 30774963, PMCID: PMC6350752, DOI: 10.1136/openhrt-2018-000862.Peer-Reviewed Original ResearchBovine aortic archSimple renal cystsThoracic aortic diseaseAbdominal aortic aneurysmType B aortic dissectionB aortic dissectionAortic dissectionAortic aneurysmAortic diseaseAortic archRenal cystsChronic kidney diseasePresence of hypertensionAortic aneurysm developmentAbdominal CTMultivariable analysisKidney diseaseRetrospective searchPatientsAneurysm developmentAneurysmsPropensity scoreDiseaseDissectionPrevalence
2018
Symptoms Matter: A Symptomatic but Radiographically Elusive Ascending Aortic Dissection
Papanikolaou D, Zafar MA, Tanweer M, Imran M, Abdelbaky M, Ziganshin BA, Elefteriades JA. Symptoms Matter: A Symptomatic but Radiographically Elusive Ascending Aortic Dissection. International Journal Of Angiology 2018, 28: 031-033. PMID: 30880890, PMCID: PMC6417893, DOI: 10.1055/s-0038-1675849.Peer-Reviewed Original ResearchThoracic aortic aneurysmAortic aneurysmAscending aortic dissectionAscending aortic diameterChest painHemiarch replacementAortic dissectionFocal dissectionAortic sizeAortic diameterProphylactic repairSeparate indicationsComputed tomographyVessel abnormalitiesDissectionSimilar casesAneurysmsAorticEchocardiographyPainPatientsSymptomaticsSymptomsThoracicAbnormalitiesIntraoperative descending aortic dissection during aortic root replacement: successful management
Gryaznov AA, Ma WG, Erben Y, Zafar MA, Velasquez CA, Saeyeldin A, Ziganshin BA, Elefteriades JA. Intraoperative descending aortic dissection during aortic root replacement: successful management. Journal Of Thoracic Disease 2018, 10: 3065-3069. PMID: 29997974, PMCID: PMC6006070, DOI: 10.21037/jtd.2018.05.29.Peer-Reviewed Original ResearchIntraoperative aortic dissectionAortic dissectionSurgical cardiac interventionsAortic root replacementLife-threatening complicationsRoot replacementRare complicationCardiac interventionsOptimal managementSuccessful managementDissectionCatastrophic outcomesComplicationsHigh rateClear guidelinesMorbidityMortalityGenes Associated with Thoracic Aortic Aneurysm and Dissection: 2018 Update and Clinical Implications
Brownstein AJ, Kostiuk V, Ziganshin BA, Zafar MA, Kuivaniemi H, Body SC, Bale AE, Elefteriades JA. Genes Associated with Thoracic Aortic Aneurysm and Dissection: 2018 Update and Clinical Implications. Aorta 2018, 06: 013-020. PMID: 30079932, PMCID: PMC6136681, DOI: 10.1055/s-0038-1639612.Peer-Reviewed Original ResearchPrevention of Aortic Dissection Suggests a Diameter Shift to a Lower Aortic Size Threshold for Intervention
Mansour AM, Peterss S, Zafar MA, Rizzo JA, Fang H, Charilaou P, Ziganshin BA, Darr UM, Elefteriades JA. Prevention of Aortic Dissection Suggests a Diameter Shift to a Lower Aortic Size Threshold for Intervention. Cardiology 2018, 139: 139-146. PMID: 29346780, DOI: 10.1159/000481930.Peer-Reviewed Original ResearchConceptsRisk of dissectionAortic sizeAortic dissectionAortic diameter increaseGuideline-recommended thresholdNatural history analysisEffect of dissectionConsecutive patientsMultivariable analysisAneurysm patientsMultivariate regression modelControl groupImaging studiesAortaDissectionMultiple studiesAverage timePatientsRiskRegression modelsProportional estimatesStudyPreventionChapter 3 Histology of Aortic Disease and Progression of Aortic Dissection From Acute to Chronic
Zafar M, Peterss S, Ziganshin B, Elefteriades J. Chapter 3 Histology of Aortic Disease and Progression of Aortic Dissection From Acute to Chronic. 2018, 41-59. DOI: 10.1016/b978-0-12-809979-7.00003-1.Peer-Reviewed Original ResearchChronic stateUncomplicated acute type B dissectionAcute type B dissectionAcute Stanford typeType B dissectionEarly surgical interventionTreatment of choiceChronic dissectionB dissectionStanford typeAortic dissectionMedical therapyAortic diseaseSurgical interventionDissectionAortaTemporal courseHistologyMorphological changesAcuteChronicHistopathologyTherapyDiseaseProgression
2017
Positive family history of aortic dissection dramatically increases dissection risk in family members
Ma WG, Chou AS, Mok SCM, Ziganshin BA, Charilaou P, Zafar MA, Sieller RS, Tranquilli M, Rizzo JA, Elefteriades JA. Positive family history of aortic dissection dramatically increases dissection risk in family members. International Journal Of Cardiology 2017, 240: 132-137. PMID: 28502736, DOI: 10.1016/j.ijcard.2017.04.080.Peer-Reviewed Original ResearchConceptsFirst-degree relativesAortic dissectionFamily historyExposure yearsMore first-degree relativesNew aortic dissectionFamily membersDetailed family history informationPositive family historyLower mean ageTime of dissectionFamily history informationAOD patientsPrognostic valueMean ageIndex patientsHigh riskDissection riskPatientsYounger ageDissectionAgeShort durationRiskFHADs
2016
Early Spontaneous Resolution of an Iatrogenic Acute Type A Aortic Dissection
Zafar MA, Pang PYK, Henry GA, Ziganshin BA, Tranquilli M, Elefteriades JA. Early Spontaneous Resolution of an Iatrogenic Acute Type A Aortic Dissection. Aorta 2016, 04: 235-239. PMID: 28516101, PMCID: PMC5425262, DOI: 10.12945/j.aorta.2016.16.067.Peer-Reviewed Original ResearchAortic dissectionAcute Type A Aortic DissectionFollow-up computed tomography scanType A Aortic DissectionAnti-impulse therapyDeBakey type IA Aortic DissectionAcute aortic dissectionComputed tomography scanDevastating complicationCardiac catheterizationArch vesselsComplete resolutionElderly femalesTomography scanSpontaneous resolutionDissectionType IAngioplastyCatheterizationComplicationsPatientsAortaTherapyMonths