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Related Experiment Videos

The 'small for size' liver syndrome.

O N Tucker1, N Heaton

  • 1The Liver Transplant Unit, Institute of Liver Studies, King's College Hospital, Denmark Hill, London, SE5 9RS, UK.

Current Opinion in Critical Care
|March 11, 2005
PubMed
Summary

Small-for-size syndrome (SFSS) risk after liver surgery can be predicted using imaging to assess liver volume. Preoperative evaluation and surgical techniques are key to improving outcomes and preventing SFSS.

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Area of Science:

  • Hepatology
  • Surgical Oncology
  • Transplantation

Background:

  • Small-for-size syndrome (SFSS) is a critical complication after liver transplantation (LT) and extended hepatectomy.
  • It is characterized by liver dysfunction and coagulopathy due to inadequate functional liver mass.
  • Recent advancements highlight the importance of evaluating liver mass, quality, portal hypertension, and surgical techniques.

Purpose of the Study:

  • To review current evidence on the preoperative evaluation of functional liver mass for predicting and preventing SFSS.
  • To discuss the impact of surgical techniques and patient factors on SFSS outcomes.
  • To explore emerging intraoperative and future perioperative strategies for managing SFSS.

Main Methods:

  • Review of recent literature on SFSS following LT and extended hepatectomy.

Related Experiment Videos

  • Analysis of radiologic advances for estimating liver volume (total, graft, remnant liver volume - RLV).
  • Evaluation of surgical strategies including graft-to-recipient weight ratios, embolization, and parenchymal-sparing resections.

    • Main Results:

    • Accurate preoperative estimation of liver volume using advanced imaging is crucial.
    • Key thresholds for graft-to-recipient body weight ratio (>0.8%) and graft weight ratio (>30%) in adult-to-adult living donor liver transplantation (LDLT) help avoid SFSS.
    • Minimal functional RLV requirements are 25% (normal liver) and 40% (preoperative dysfunction).
    • Preoperative embolization and segmental resections have improved outcomes.
    • Increased recognition of SFSS due to evolving LT techniques (split, LDLT, marginal grafts) spurs research.

    Conclusions:

    • Radiologic imaging effectively assesses liver volume and SFSS risk.
    • Intraoperative techniques to predict dysfunction are emerging and may guide preemptive interventions.
    • Future directions include perioperative liver support and enhancing liver regeneration in predicted SFSS cases.