On the day 2nd of October in the Institute of Turbomachinery dr inż. Daniel Jodko presented a seminar: "Fluid-structure interaction simulations in analyzing the maturation process of an arteriovenous fistula: A brief history of pressure… and not giving up".
An arteriovenous fistula (AVF) is a type of vascular access used for hemodialysis patients. AVF is created by surgically connecting an artery and a vein, which leads to non-physiological, locally disturbed blood flow. Advanced numerical methods enable detailed blood flow analysis with high spatiotemporal resolution, complementing imaging diagnostics.
During the seminar Dr. Jodko explained our collaboration with a research team from the University of New South Wales (UNSW). The researchers developed a technique for reconstruction of anatomical structures based on ultrasonographic examination. The method allows for safe in vivo measurements in follow-up studies. The technique facilitated the analysis of AVF maturation, a biological remodelling process lasting from AVF creation to the beginning of hemodialysis. Implementing fluid-structure interaction (FSI) techniques supplemented UNSW’s methodology, making the project beneficial for both sides. Numerical simulations were supported by experimental work.
The project allowed Dr. Jodko for:
- evaluation of the maturation models proposed earlier,
- analysis of factors influencing vascular wall compliance during FSI simulations,
- qualitative and quantitative analysis of blood flow during AVF maturation and later,
- assessment of the impact of blood viscosity on numerical blood flow simulations and other valuable insights.
We give our thanks to Dr. Jodko, and everyone who attended the seminar, and we encourage our students and employees to join the seminars we will organize in the future.