Left Ventricular Assist Device as a Destination Therapy: Current Situation and the Importance of Patient Selection

Area of Science:

• Cardiology
• Biomedical Engineering
• Medical Devices

Background:

• Advanced heart failure necessitates advanced treatment options, with cardiac transplantation being ideal but limited by donor availability.
• Left ventricular assist devices (LVADs) used as destination therapy (DT-LVAD) have emerged as a vital alternative, significantly improving mid-term prognosis and quality of life.
• Continuous flow centrifugal pumps represent the current standard for intracorporeal LVADs, with ongoing advancements since their initial approval in 2003.

Purpose of the Study:

• To review the technological advancements in LVADs, focusing on device improvements and updated clinical results.
• To emphasize the critical importance of comprehensive patient selection criteria for DT-LVAD candidacy.
• To provide an updated overview of current indications and the multiparametric evaluation required for potential recipients.

Main Methods:

• Literature review summarizing device evolution and clinical outcomes.
• Analysis of patient selection criteria, including frailty, comorbidities (renal/hepatic dysfunction), and medical history.
• Inclusion of clinical risk scores for assessing potential complications like right heart failure.

Main Results:

• LVAD technology has progressed, leading to smaller devices with enhanced survival and hemocompatibility.
• Current indications for DT-LVADs extend from INTERMACS class 2 to 4, requiring careful monitoring.
• Comprehensive multiparametric assessment is essential for candidacy, encompassing patient's basal condition and risk factors.

Conclusions:

• DT-LVADs are a crucial therapeutic option for advanced heart failure, offering significant benefits.
• Careful patient selection, considering a wide range of clinical factors and risk scores, is paramount for successful DT-LVAD implantation and management.
• Continued research and development in LVAD technology and patient selection strategies are vital for optimizing outcomes in this growing patient population.