6533b82cfe1ef96bd12901dc
RESEARCH PRODUCT
Numerical modeling of blood flow in the internal jugular vein with the use of computational fluid mechanics software.
Paweł LataczMarian Simkasubject
business.industryHemodynamicsNumerical modelingHemodynamicsFluid mechanicsGeneral MedicineBlood flowConstriction Pathologic030204 cardiovascular system & hematology03 medical and health sciencesFlow separation0302 clinical medicineSoftwareRegional Blood FlowMedicineHumansComputational fluid mechanics; flow separation; internal jugular vein; minor losses; numerical modelingJugular VeinsCardiology and Cardiovascular MedicinebusinessInternal jugular vein030217 neurology & neurosurgerySoftwareBiomedical engineeringBrachiocephalic Veinsdescription
ObjectivesTo determine the site and nature of altered hemodynamics in pathological internal jugular veins.MethodWith the use of computational fluid mechanics software we simulated blood flow in 3 D models of the internal jugular veins that exhibited different morphologies, including nozzle-like strictures in their upper parts and valves in the lower parts.ResultsIn a majority of models with nozzle-like strictures, especially those positioned asymmetrically, abnormal flow pattern was revealed, with significant flow separation and regions with reversed flow. Abnormal valves had no significant impact on flow in a case of already altered flow evoked by stricture in upper part of the vein.ConclusionsIn our jugular model, cranially-located stenoses, which in clinical practice are primarily caused by external compression, cause more significant outflow impact respect to endoluminal defects and pathological valves located more caudally.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2021-01-01 | Phlebology |