Related Experiment Video
Updated: Jun 18, 2026

In Vitro Thrombosis Test for Ventricular Assist Devices
Published on: March 21, 2025
Update on ventricular assist devices
Nanhi Mitter1, Rosanne Sheinberg
1Department of Anesthesiology and Critical Care Medicine, Johns Hopkins Hospital, Baltimore, MD 21287, USA. nmitter1@jhmi.edu
Ventricular assist devices (VADs) have evolved significantly, improving patient mobility and survival rates. Newer VADs offer fully implanted options and are expanding use for end-stage heart failure as alternatives to transplantation.
Area of Science:
- Cardiovascular Medicine
- Biomedical Engineering
Background:
- Increasing prevalence of end-stage heart failure.
- Limited availability of donor hearts for transplantation.
- Growing reliance on mechanical circulatory support devices.
Purpose of the Study:
- To provide an updated review of ventricular assist devices (VADs).
- To discuss the advantages, disadvantages, and complications of VADs.
- To highlight advancements in VAD technology and indications.
Main Methods:
- Literature review of ventricular assist devices.
- Analysis of device evolution from first to newer generations.
- Examination of current and emerging VAD designs and applications.
Main Results:
- First-generation VADs were associated with limited mobility and ICU stays.
- Second-generation VADs improved patient mobility and survival rates.
- Current research focuses on fully implantable VADs, axial flow pumps, and total artificial hearts.
Conclusions:
- Ventricular assist devices have undergone significant technological advancements.
- VADs are increasingly indicated for destination therapy and as alternatives to heart transplantation.
- Ongoing innovation aims to enhance patient comfort, reduce complications, and expand VAD utilization.
Related Concept Videos
Cardiomyopathy V: Interprofessional Care
Heart Failure VI: Adjunct Therapies
Mechanical Ventilation II: Invasive Ventilation
Negative-Pressure Ventilators
Negative-pressure ventilators create a vacuum around the chest or body to draw air into the lungs, simulating breathing. This method does not require an...
Mechanical Ventilation III: Noninvasive Ventilation
Noninvasive Positive-Pressure Ventilation (NIPPV)
Mechanical Ventilation I: Indication and Settings
Heart Failure V: Medical Management
