2022
Engineering analysis of aortic wall stress and root dilatation in the V-shape surgery for treatment of ascending aortic aneurysms
Dong H, Liu M, Qin T, Liang L, Ziganshin B, Ellauzi H, Zafar M, Jang S, Elefteriades J, Sun W. Engineering analysis of aortic wall stress and root dilatation in the V-shape surgery for treatment of ascending aortic aneurysms. Interdisciplinary CardioVascular And Thoracic Surgery 2022, 34: 1124-1131. PMID: 35134955, PMCID: PMC9159430, DOI: 10.1093/icvts/ivac004.Peer-Reviewed Original ResearchMeSH KeywordsAgedAortaAortic AneurysmAortic ValveDilatationDilatation, PathologicFemaleHumansMaleTomography, X-Ray ComputedConceptsRoot dilatationAortic rootAortic wall stressAortic aneurysmWall stressComputed tomography imagesTime pointsAortic root diameterTomography imagesSignificant reductionPost-surgery statesWhole aortaAortic wallSurgeryDilatationClinical cardiacPatientsAverage dilatationStudy objectiveAneurysmsAortaBiomechanical analysisTreatment
2020
Cine-Computed Tomography for the Evaluation of Prosthetic Heart Valve Function
Hsu C, Bourganos K, Zafar MA, Huber S, Buntin J, Ziganshin BA, Mojibian H, Elefteriades JA. Cine-Computed Tomography for the Evaluation of Prosthetic Heart Valve Function. Cardiology 2020, 145: 439-445. PMID: 32454507, DOI: 10.1159/000507182.Peer-Reviewed Original ResearchConceptsAortic valve replacementAortic stenosisTransvalvular velocityValve functionECG-gated computed tomographyProsthetic heart valve functionProsthetic valve dysfunctionProsthetic valve functionCine CTHeart valve functionAVR patientsValve thrombosisCardiac eventsRepeat surgeryValve dysfunctionValve replacementSingle surgeonSurgical interventionRepeat evaluationProsthetic valvesComputed tomographyLeaflet excursionFurther evaluationLeaflet functionPatients
2019
Routine anterior spinal artery visualization prior to descending and thoracoabdominal aneurysm repair: High detection success
Abdelbaky M, Zafar MA, Saeyeldin A, Wu J, Papanikolaou D, Vinholo TF, Huber S, Buntin J, Ziganshin BA, Mojibian H, Elefteriades JA. Routine anterior spinal artery visualization prior to descending and thoracoabdominal aneurysm repair: High detection success. Journal Of Cardiac Surgery 2019, 34: 1563-1568. PMID: 31705825, DOI: 10.1111/jocs.14310.Peer-Reviewed Original ResearchConceptsAnterior spinal arterySpinal cord blood supplyMagnetic resonance angiographyCT angiographyAneurysm repairTransient lower extremity weaknessThoracoabdominal aortic aneurysm repairLower paraplegia ratesThoracoabdominal aneurysm repairLower extremity weaknessAortic aneurysm repairOpen surgical repairModality of choiceParaplegia rateTAAA repairExtremity weaknessPermanent paraplegiaSpinal arteryEnhanced imaging techniquesSurgical repairSpinal angiographySurgical techniqueBlood supplyDual-energy CT scanningModern imaging technologies
2018
Prevention 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 estimatesStudyPrevention