The “double whammy” of a continuous-flow left ventricular assist device on von Willebrand factor

JR Hydren, RS Richardson, O Wever-Pinzon… - The Journal of Thoracic …, 2020 - jtcvs.org
Mounting evidence points to both arterial pulsatility and pump shear as factors that may be
responsible for the high incidence of nonsurgical bleeding events observed in patients with …

Continuous-flow left ventricular assist devices and bleeding events: Is there a biological role for decreasing pump speed?

SA Akhter - The Journal of Thoracic and Cardiovascular Surgery, 2016 - jtcvs.org
This study by Kang and co-authors 1 investigates the effect of decreasing HeartMate II
(Thoratec Corporation, Pleasanton, Calif) left ventricular assist device (LVAD; Figure 1) …

Hematologic effects of continuous flow left ventricular assist devices

MS Slaughter - Journal of cardiovascular translational research, 2010 - Springer
The extent of hematologic effects of the new continuous flow left ventricular assist devices
(CF-LVAD) has not been studied. Recent clinical studies have demonstrated that hemolysis …

Do patients with a continuous-flow left ventricular assist device benefit from induced-pulsatility or are we just spinning our wheels?

CR Bartoli, P Atluri - The Journal of Thoracic and Cardiovascular Surgery, 2015 - jtcvs.org
The management of continuous-flow left ventricular assist devices (LVADs) continues to
evolve. Benefits of pulsatile versus nonpulsatile mechanical circulatory support remain an …

[HTML][HTML] Pathologic von Willebrand factor degradation is a major contributor to left ventricular assist device-associated bleeding: pathophysiology and evolving clinical …

CR Bartoli - Annals of Cardiothoracic Surgery, 2021 - ncbi.nlm.nih.gov
Non-surgical bleeding is the most frequent adverse event in patients with a continuous-flow
left ventricular assist device (CF-LVAD). Bleeding is a major source of morbidity and an …

Left ventricular assist device design reduces von Willebrand factor degradation: a comparative study between the HeartMate II and the EVAHEART left ventricular …

CR Bartoli, J Kang, D Zhang, J Howard, M Acker… - The Annals of thoracic …, 2017 - Elsevier
Background Supraphysiologic shear stress from continuous-flow left ventricular assist
devices (LVADs) accelerates von Willebrand factor (vWF) degradation and predisposes …

Longitudinal changes in hemostatic parameters and reduced pulsatility contribute to non-surgical bleeding in patients with centrifugal continuous-flow left ventricular …

K Muthiah, D Connor, K Ly, EE Gardiner… - The Journal of Heart and …, 2016 - Elsevier
Background Bleeding and thromboembolic events are identified complications in patients
supported with newer centrifugal continuous-flow left ventricular assist devices (cfLVADs) …

Gastrointestinal bleeding after left ventricular assist device implantation: It is all about the platelets

JA Crestanello - The Journal of Thoracic and Cardiovascular Surgery, 2016 - jtcvs.org
Continuous-flow (CF) left ventricular assist devices (LVADs) have revolutionized the
management of patients with end-stage heart failure, increasing access and improving …

[HTML][HTML] Reinventing the displacement left ventricular assist device in the continuous-flow era: TORVAD, the first toroidal-flow left ventricular assist device

CR Bartoli, JR Gohean, RW Smalling - Annals of cardiothoracic …, 2021 - ncbi.nlm.nih.gov
Over the past two decades, left ventricular assist device (LVAD) support has emerged as
standard therapy for adult patients with advanced, life-threatening heart failure …

[HTML][HTML] The development of the von Willebrand syndrome with the use of continuous flow left ventricular assist devices: a cause-and-effect relationship

LW Miller - Journal of the American College of Cardiology, 2010 - jacc.org
The use of ventricular assist devices (VADs) as a treatment for end-stage heart failure has
increased substantially in the past 5 years, due largely to the introduction and now proven …