Right heart failure post left ventricular assist device implantation.

Area of Science:

• Cardiology
• Cardiac Surgery
• Mechanical Circulatory Support

Background:

• Right heart failure (RHF) is a significant complication after left ventricular assist device (LVAD) implantation, occurring in 20-50% of cases.
• RHF is associated with increased postoperative morbidity and mortality.
• Despite identified risk factors, preventing RHF post-LVAD remains challenging.

Purpose of the Study:

• To review the challenges and current strategies in preventing and managing right heart failure following LVAD implantation.
• To highlight the difficulties in avoiding RHF despite known risk factors.

Main Methods:

• Review of current literature and clinical practices regarding RHF post-LVAD.
• Discussion of management strategies including preload/afterload optimization and inotropic support.
• Consideration of vasodilator use for pulmonary vascular resistance reduction.

Main Results:

• RHF incidence significantly impacts patient outcomes after LVAD.
• Current prevention strategies focus on hemodynamic management of the right ventricle.
• Standard practice involves vasodilators to decrease pulmonary vascular resistance.

Conclusions:

• Preventing RHF after LVAD implantation is difficult, necessitating careful hemodynamic management.
• Optimizing right ventricular preload, afterload, and inotropic support are key.
• While vasodilators are standard, surgical interventions like right ventricular assist devices are not universally effective or available.