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Related Experiment Video

Updated: Jan 4, 2026

Visualization of Vascular and Parenchymal Regeneration after 70% Partial Hepatectomy in Normal Mice
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Predictive factors for liver volume and function recovery after resection using three-dimensional analysis.

Yutaka Nakano1, Osamu Itano2, Masahiro Shinoda1

  • 1Department of Surgery, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan.

HPB : the Official Journal of the International Hepato Pancreato Biliary Association
|November 5, 2019
PubMed
Summary

Liver regeneration after surgery is influenced by resection size and specific biological markers. Careful consideration of liver resection volume is crucial for optimal liver function recovery.

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Area of Science:

  • Hepatobiliary surgery
  • Regenerative medicine
  • Surgical oncology

Background:

  • Factors predicting liver volume recovery rate (LVRR) after liver resection are not well-established.
  • The impact of remnant liver volume on liver function recovery rate (LFRR) remains unclear.

Purpose of the Study:

  • To identify predictive factors for LVRR across various resected volumes (RV).
  • To investigate LFRR in relation to LVRR improvements post-hepatectomy.

Main Methods:

  • Retrospective review of hepatectomy patients (Jan 2013 - Aug 2015).
  • Assessment of LVRR and LFRR at 3, 6, and 12 months post-surgery.
  • LVRR categorized by RV (0-15%, 15-30%, 30-45%, >45%); LFRR evaluated via bilirubin, prothrombin time, and platelet count.

Main Results:

  • LVRR decreased with increasing RV.
  • Type IV collagen 7s domain levels and resection magnitude were significant independent predictors of LVRR.
  • Platelet count showed a positive correlation with LVRR at all assessed time points.

Conclusions:

  • While resected livers regenerate, they do not fully regain preoperative volume.
  • Maximizing preserved liver volume during resection correlates with improved LFRR.
  • Surgical decisions on resection volume require careful consideration, especially in patients with elevated Type IV collagen 7s domain levels.