2019
Local Hemodynamic Conditions Associated with Focal Changes in the Intracranial Aneurysm Wall.
Cebral J, Detmer F, Chung B, Choque-Velasquez J, Rezai B, Lehto H, Tulamo R, Hernesniemi J, Niemela M, Yu A, Williamson R, Aziz K, Shakur S, Amin-Hanjani S, Charbel F, Tobe Y, Robertson A, Frösen J. Local Hemodynamic Conditions Associated with Focal Changes in the Intracranial Aneurysm Wall. American Journal Of Neuroradiology 2019, 40: 510-516. PMID: 30733253, PMCID: PMC6420361, DOI: 10.3174/ajnr.a5970.Peer-Reviewed Original ResearchConceptsWall shear stressOscillatory shear indexGradient oscillatory numberOscillatory wall shear stressShear stressShear indexRelative residence timeWall shear stress gradientAverage wall shear stressFlow conditionsComputational fluid dynamics modelThin regionShear stress gradientLocal hemodynamicsFluid dynamics modelRecirculation zoneSwirling flowResidence timeStress gradientAneurysm hemodynamicsImpingement siteDynamic pressureAneurysm regionDynamic modelFlow stream
2017
Angioarchitectures and Hemodynamic Characteristics of Posterior Communicating Artery Aneurysms and Their Association with Rupture Status
Chung B, Doddasomayajula R, Mut F, Detmer F, Pritz M, Hamzei-Sichani F, Brinjikji W, Kallmes D, Jimenez C, Putman C, Cebral J. Angioarchitectures and Hemodynamic Characteristics of Posterior Communicating Artery Aneurysms and Their Association with Rupture Status. American Journal Of Neuroradiology 2017, 38: 2111-2118. PMID: 28860212, PMCID: PMC5690887, DOI: 10.3174/ajnr.a5358.Peer-Reviewed Original ResearchConceptsWall shear stressShear stressMinimum wall shear stressWall shear stress distributionOscillatory wall shear stressRegions of elevated wall shear stressImage-based computational fluid dynamicsElevated wall shear stressFlow patternsShear stress distributionComputational fluid dynamicsInflow jetStress distributionFluid dynamicsAneurysm hemodynamicsHemodynamic characteristicsJetArtery bifurcationFlowRupture riskSidewallStressCharacteristics