Developments in control systems for rotary left ventricular assist devices for heart failure patients: a review

AHH AlOmari, AV Savkin, M Stevens… - Physiological …, 2012 - iopscience.iop.org
From the moment of creation to the moment of death, the heart works tirelessly to circulate
blood, being a critical organ to sustain life. As a non-stopping pumping machine, it operates …

Mock circulatory loops used for testing cardiac assist devices: A review of computational and experimental models

F Cappon, T Wu, T Papaioannou, X Du… - … Journal of Artificial …, 2021 - journals.sagepub.com
Heart failure is a major health risk, and with limited availability of donor organs, there is an
increasing need for developing cardiac assist devices (CADs). Mock circulatory loops (MCL) …

A dynamical state space representation and performance analysis of a feedback-controlled rotary left ventricular assist device

MA Simaan, A Ferreira, S Chen… - … on Control Systems …, 2008 - ieeexplore.ieee.org
The left ventricular assist device (LVAD) is a mechanical device that can assist an ailing
heart in performing its functions. The latest generation of such devices is comprised of rotary …

Current axial-flow devices—the HeartMate II and Jarvik 2000 left ventricular assist devices

R John - Seminars in thoracic and cardiovascular surgery, 2008 - Elsevier
The increased applicability and excellent results with left ventricular assist devices (LVADs)
have revolutionized the treatment options available for patients with end-stage heart failure …

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 …

Clinical implications of physiologic flow adjustment in continuous-flow left ventricular assist devices

V Tchantchaleishvili, JGY Luc, CM Cohan, K Phan… - ASAIO …, 2017 - journals.lww.com
There is increasing evidence for successful management of end-stage heart failure with
continuous-flow left ventricular assist device (CF-LVAD) technology. However, passive flow …

Physiological control of a rotary blood pump with selectable therapeutic options: control of pulsatility gradient

A Arndt, P Nüsser, K Graichen, J Müller… - Artificial …, 2008 - Wiley Online Library
A control strategy for rotary blood pumps meeting different user‐selectable control objectives
is proposed: maximum support with the highest feasible flow rate versus medium support …

First clinical experience with an automatic control system for rotary blood pumps during ergometry and right-heart catheterization

H Schima, M Vollkron, U Jantsch, R Crevenna… - The Journal of heart and …, 2006 - Elsevier
BACKGROUND: At present, most clinically implanted rotary blood pumps are operated at
constant speed and adjusted by the physician. It is generally assumed that an adaptation of …

A physiological controller for turbodynamic ventricular assist devices based on left ventricular systolic pressure

A Petrou, G Ochsner, R Amacher, P Pergantis… - Artificial …, 2016 - Wiley Online Library
The current article presents a novel physiological feedback controller for turbodynamic
ventricular assist devices (tVADs). This controller is based on the recording of the left …

A Sliding Mode‐Based S tarling‐Like Controller for Implantable Rotary Blood Pumps

MA Bakouri, RF Salamonsen, AV Savkin… - Artificial …, 2014 - Wiley Online Library
Clinically adequate implementation of physiological control of a rotary left ventricular assist
device requires a sophisticated technique such as the recently proposed method based on …