Left Ventricular Assist Devices - A State of the Art Review

Area of Science:

• Cardiology
• Biomedical Engineering
• Medical Technology

Background:

• Cardiovascular diseases are a primary global cause of mortality.
• Shortage of heart donors and long waiting lists impact transplant accessibility.
• Ventricular assist devices (VADs) are crucial for end-stage heart failure management.

Purpose of the Study:

• To review current implantable left ventricular assist devices (LVADs).
• To discuss various LVAD design concepts and implantation techniques.
• To highlight challenges associated with LVAD implantation, including infections and thromboembolic events.

Main Methods:

• Literature review of current implantable left ventricular assist devices.
• Analysis of different LVAD design concepts.
• Examination of implantation techniques and associated complications.

Main Results:

• Overview of available LVAD technologies.
• Discussion of diverse design approaches and surgical implantation methods.
• Identification of key challenges like infection and thromboembolism.

Conclusions:

• LVADs are increasingly important in treating end-stage heart failure.
• Understanding designs, implantation, and risks is crucial for effective therapy.
• Further research and technological advancements are needed to mitigate LVAD complications.