[HTML][HTML] Modeling conduit choice for valve-sparing aortic root replacement on biomechanics with a 3-dimensional–printed heart simulator

MJ Paulsen, P Kasinpila, AM Imbrie-Moore… - The Journal of thoracic …, 2019 - Elsevier
Objective The optimal conduit for valve-sparing aortic root replacement is still debated, with
several conduit variations available, ranging from straight tubular grafts to Valsalva grafts …

Experimental and computational study of pulsatile flow characteristics in Romanesque and gothic aortic arch models

Y Zhang, R Zhang, N Thomas, AH Ullah… - Medical Engineering & …, 2022 - Elsevier
Romanesque and Gothic are two types of deformed aortic arch geometries after surgical
repair of coarctation of the aorta. The abnormal arch geometry and hemodynamics are …

[HTML][HTML] Initial simulated FFR investigation using flow measurements in patient-specific 3D printed coronary phantoms

L Shepard, K Sommer, R Izzo… - Proceedings of SPIE …, 2017 - ncbi.nlm.nih.gov
Purpose Accurate patient-specific phantoms for device testing or endovascular treatment
planning can be 3D printed. We expand the applicability of this approach for cardiovascular …

Functional performance of 8 small surgical aortic valve bioprostheses: an in vitro study

N Sadat, M Scharfschwerdt, T Schaller… - European Journal of …, 2022 - academic.oup.com
OBJECTIVES Selection of a surgical aortic valve (SAV) bioprosthesis model for the
treatment of aortic valve disease remains controversial. The aim of this study was to …

Mathematical evaluation of cardiac beat synchronization control used for a rotary blood pump

D Ogawa, S Kobayashi, K Yamazaki… - Journal of Artificial …, 2019 - Springer
We studied a control method of rotary blood pumps (RBPs), which is called as the cardiac
beat synchronization (CBS) system. Usually, RBPs operate at constant target rotational …

pyPCG: a Python toolbox specialized for phonocardiography analysis

K Müller, J Hatvani, M Koller… - Physiological …, 2024 - iopscience.iop.org
Objective. Phonocardiography has recently gained popularity in low-cost and remote
monitoring, including passive fetal heart monitoring. The development of methods which …

Synchronous Inflation of a Valvuloplasty Balloon Catheter With Heart Rate: In-Vitro Evaluation in Terms of Dilatation Performance

J Yao, X Pi, GM Bosi, G Burriesci… - IEEE Robotics and …, 2024 - ieeexplore.ieee.org
Balloon aortic valvuloplasty (BAV), a minimally invasive procedure to alleviate aortic valve
stenosis, commonly employs rapid ventricular pacing (RVP) for balloon stabilization …

Experimental analysis of pulsatile flow characteristics in prosthetic aortic valve models with stenosis

R Zhang, Y Zhang - Medical engineering & physics, 2020 - Elsevier
Bioprosthetic valves are widely used for aortic valve replacements for patients with severe
aortic diseases. However, tissue-engineered leaflets normally deteriorate over time due to …

In vitro hydrodynamic evaluation of a scaffold for heart valve tissue engineering

O Bazan, MMO Simbara, JP Ortiz… - Artificial …, 2019 - Wiley Online Library
Although prosthetic heart valves have saved many lives, the search for a living substitute
continues with the aid of tissue engineering. Much progress has been made so far, but the …

Fibre optic thermal sensing for direct intravascular flow measurements: bench-top and pre-clinical studies

E Carr - 2023 - discovery.ucl.ac.uk
The ability to measure blood flow directly and continuously is of significant interest in many
medical specialities. In cardiology, these measurements can be of critical importance to …