Continuous-flow left ventricular assist device and the right ventricle

Area of Science:

• Cardiology
• Cardiovascular Surgery
• Medical Devices

Background:

• Left ventricular assist devices (LVADs) are established treatments for advanced heart failure.
• Limited donor availability and improved heart failure management have increased LVAD use.
• Right ventricular failure (RVF) is a serious complication post-LVAD implantation.

Purpose of the Study:

• To review the screening methods for identifying LVAD candidates at risk for RVF.
• To discuss the evaluation of right ventricular function in potential LVAD recipients.
• To outline optimal perioperative management strategies for the right ventricle in LVAD patients.

Main Methods:

• Review of existing literature and clinical data on RVF in LVAD patients.
• Analysis of screening protocols for RVF risk assessment.
• Discussion of diagnostic approaches for evaluating right ventricular function.
• Synthesis of perioperative management guidelines for RVF prevention and treatment.

Main Results:

• The incidence of RVF in the HeartMate II Pivotal Study was 14% without RVAD, and an additional 6% required RVAD implantation.
• RVF significantly increases mortality, healthcare costs, and hospital length of stay.
• Effective screening and perioperative management can mitigate the risk and impact of RVF.

Conclusions:

• Proactive screening and comprehensive evaluation of right ventricular function are essential for LVAD candidates.
• Optimized perioperative care strategies are critical for minimizing RVF incidence and improving patient outcomes.
• Addressing RVF risk is paramount for successful LVAD therapy in heart failure management.