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Extracorporeal liver support (ECLS) devices are crucial for patients with liver failure, offering a bridge to transplantation. This review details current ECLS technologies and their clinical impact.

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Area of Science:

  • Biomedical Engineering
  • Hepatology
  • Regenerative Medicine

Background:

  • Increasing incidence of acute liver failure and acute-on-chronic liver failure necessitates advanced treatment options.
  • Limited availability of donor livers for transplantation creates a critical need for alternative liver support strategies.
  • Extracorporeal liver support (ECLS) aims to bridge patients to transplantation or serve as destination therapy.

Purpose of the Study:

  • To review the current landscape of extracorporeal liver support (ECLS) devices.
  • To analyze the evidence-based data associated with various ECLS technologies.
  • To provide an overview of devices bridging patients to liver transplantation or offering alternative therapies.

Main Methods:

  • Review of existing literature and clinical data on ECLS devices.
  • Categorization of ECLS devices based on their support mechanisms (e.g., kidney replacement therapy, albumin dialysis, plasmapheresis, hepatocyte-based systems).
  • Evaluation of the clinical outcomes and impact of different ECLS approaches.

Main Results:

  • Multiple ECLS devices have been developed, ranging from simple kidney support systems to complex bioartificial devices.
  • Technologies include albumin dialysis (e.g., Prometheus, molecular adsorbent recirculating system), high-volume plasmapheresis, and hepatocyte-based systems.
  • The clinical impact and efficacy of these devices vary, highlighting the need for further research and development.

Conclusions:

  • ECLS represents a vital therapeutic strategy for patients with liver failure, addressing the gap between organ demand and supply.
  • Ongoing innovation in ECLS technology is essential to improve patient outcomes and expand treatment possibilities.
  • A comprehensive understanding of current ECLS devices and their evidence base is critical for clinical decision-making.