Iterative learning control of ventricular assist devices with variable cycle durations

M Ketelhut, S Stemmler, J Gesenhues, M Hein… - Control Engineering …, 2019 - Elsevier
In clinical practice ventricular assist devices are generally applied with a constant rotary
speed. The lack of adaptivity to changes in hemodynamic conditions might result in …

Experimental and numerical investigation of different geometrical parameters in a centrifugal blood pump

SE Hosseini, A Keshmiri - Research on Biomedical Engineering, 2022 - Springer
Purpose Due to the importance of public health and economics, cardiovascular disease has
become one of the most important debates and challenges for scientists. However, few …

A versatile hybrid mock circulation for hydraulic investigations of active and passive cardiovascular implants

A Petrou, M Granegger, M Meboldt, MS Daners - Asaio Journal, 2019 - journals.lww.com
During the development process of active or passive cardiovascular implants, such as
ventricular assist devices or vascular grafts, extensive in-vitro testing is required. The aim of …

An Optimal H-Infinity Controller for Left Ventricular Assist Devices Based on a Starling-like Controller: A Simulation Study

M Bakouri, A Alassaf, K Alshareef, S Abdelsalam… - Mathematics, 2022 - mdpi.com
Left ventricular assist devices (LVADs) are emerging innovations that provide a feasible
alternative treatment for heart failure (HF) patients to enhance their quality of life. In this …

Physiologic data-driven iterative learning control for left ventricular assist devices

K Magkoutas, P Arm, M Meboldt… - Frontiers in …, 2022 - frontiersin.org
Continuous flow ventricular assist devices (cfVADs) constitute a viable and increasingly
used therapy for end-stage heart failure patients. However, they are still operating at a fixed …

Continuous monitoring of blood pressure and vascular hemodynamic properties with miniature extravascular Hall-based magnetic sensor

K Magkoutas, M Weisskopf, V Falk, MY Emmert… - Basic to Translational …, 2023 - jacc.org
Continuous measurement of vascular and hemodynamic parameters could improve
monitoring of disease progression and enable timely clinical decision making and therapy …

[HTML][HTML] Genetic algorithm-based optimization framework for control parameters of ventricular assist devices

K Magkoutas, LN Rossato, M Heim… - … Signal Processing and …, 2023 - Elsevier
In this work, a novel, genetic algorithm-based optimization framework (GAOF) has been
developed and evaluated to optimize the control parameters of ventricular assist devices …

In vitro evaluation of multi‐objective physiological control of the centrifugal blood pump

T Leao, B Utiyama, J Fonseca, E Bock… - Artificial …, 2020 - Wiley Online Library
Left ventricular assist devices (LVADs) have been used as a bridge to transplantation or as
destination therapy to treat patients with heart failure (HF). The inability of control strategy to …

Physiological principles of Starling-like control of rotary ventricular assist devices

AF Stephens, SD Gregory, AJC Burrell… - Expert Review of …, 2020 - Taylor & Francis
Introduction: This review explores the Starling-like physiological control method (SLC) for
rotary ventricular assist devices (VADs) for severe heart failure. The SLC, based on …

A novel control method for rotary blood pumps as left ventricular assist device utilizing aortic valve state detection

D Petukhov, L Korn, M Walter… - BioMed Research …, 2019 - Wiley Online Library
A novel control method for rotary blood pumps is proposed relying on two different
objectives: regulation of pump flow in accordance with desired value and the maintenance …