Comparative analysis of survival rate and quality of life in axial-flow pump left ventricular assist devices (LVADs)

AK Savar, H Wang, N Chen, Y Cheng - Heart & Lung, 2025 - Elsevier
Background The rising heart failure rates globally show the pressing demand for treatment
progress, especially in Left Ventricular Assist Devices (LVADs). Axial-flow pump LVADs are …

Review of Systemic Mock Circulation Loops for Evaluation of Implantable Cardiovascular Devices and Biological Tissues

E Agrafiotis, D Zimpfer, H Mächler… - Journal of …, 2024 - journals.sagepub.com
Implantable cardiovascular devices must undergo evaluation prior to animal testing and
clinical trials to ensure their performance and efficiency. Mock circulation loops (MCLs) are …

Measuring pulsatile cortical blood flow and volume during carotid endarterectomy

AI Zavriyev, K Kaya, KC Wu, ET Pierce… - Biomedical Optics …, 2024 - opg.optica.org
Carotid endarterectomy (CEA) involves removal of plaque in the carotid artery to reduce the
risk of stroke and improve cerebral perfusion. This study aimed to investigate the utility of …

Feedback controller for restoring the basal hemodynamic condition with a rotary blood pump used as left ventricular assist device

TR Melo, JSR Neto, IA Cestari, AMN Lima - Biomedical Signal Processing …, 2020 - Elsevier
This work deals with the use of pulsatility indices in designing a ventricular assist device
(VAD) control system. The control objective is to restore the patient's basal hemodynamic …

Evaluation and comparison of hemodynamic performance of three ECLS systems in a simulated adult cardiogenic shock model

A Ündar, S Wang, M Moroi, AR Kunselman… - Artificial …, 2018 - Wiley Online Library
The objective of this study was to evaluate three commercially available ECLS systems with
rotary pumps in terms of circuit pressure, pressure drop, perfusion modes, and …

The evolution of durable, implantable axial-flow rotary blood pumps

PA Smith, Y Wang, OH Frazier - Texas Heart Institute …, 2023 - meridian.allenpress.com
Left ventricular assist devices (LVADs) are increasingly used to treat patients with end-stage
heart failure. Implantable LVADs were initially developed in the 1960s and 1970s. Because …

Model based optimization of a novel ventricular assist device: Iterative parameter estimation and optimal control of physiological variables of a novel dual pump setup …

T Salesch, J Gesenhues, M Habigt… - at …, 2021 - degruyter.com
This paper presents an optimization-based control scheme for a novel left ventricular assist
device. This cardiac support system consists of two pumps connected in series and a buffer …

Analysis of the HeartWare HVAD pump characteristics under pulsatile operation

MC Mapley, EP Seah, C Semenzin, E Wu… - … Signal Processing and …, 2021 - Elsevier
Rotary blood pumps (RBPs) are clinically utilised to support patients suffering from later
stage heart failure and although the development of these devices has led to vast …

Entwicklung, Regelung und Validierung eines neuartigen Herzunterstützungssystems zur gezielten Lasteinstellung

TC Salesch, M Hein, D Abel - 2023 - publications.rwth-aachen.de
Die vorliegende Arbeit befasst sich mit der Entwicklung, Regelung und Validierung eines
neuartigen Herzunterstützungssystems. Beschrieben wird der iterativ durchlaufene …

In-vitro evaluation of cardiac energetics and coronary flow with volume displacement and rotary blood pumps

EL Wu, G Tansley, JF Fraser… - 2018 40th Annual …, 2018 - ieeexplore.ieee.org
Bridge to recovery with left ventricular assist device (LVAD) support has been more
prominent with volume displacement pumps (VDPs) than with rotary blood pumps (RBPs) …