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Related Experiment Videos

Long-term experience after ex situ liver surgery.

K J Oldhafer1, H Lang, H J Schlitt

  • 1Klinik für Abdominal- und Transplantationschirurgie, Medizinische Hochschule Hannover, Germany.

Surgery
|May 20, 2000
PubMed
Summary

Ex situ liver surgery enables complex liver resections and vascular repairs for critical tumors. While feasible, this procedure has high early mortality and tumor recurrence rates, necessitating careful patient selection.

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Area of Science:

  • Hepatobiliary Surgery
  • Surgical Oncology
  • Transplant Surgery

Background:

  • Ex situ liver surgery is a specialized procedure for liver tumors in critical locations, offering an alternative when conventional surgery is impossible or too hazardous.
  • Limited studies and a lack of long-term data exist for ex situ liver surgery.
  • This study addresses the feasibility and outcomes of ex situ liver surgery and autotransplantation.

Purpose of the Study:

  • To evaluate the feasibility and outcomes of ex situ liver surgery and autotransplantation for complex liver tumors.
  • To assess the short-term and long-term results of this surgical approach.
  • To identify factors influencing patient survival and recurrence after ex situ liver surgery.

Main Methods:

  • Twenty-four patients with unresectable or high-risk liver tumors were considered for ex situ liver surgery.

Related Experiment Videos

  • Ex situ liver resection and autotransplantation were performed in 22 patients; allogeneic transplantation was used in 2 patients.
  • Reconstruction of the hepatic venous confluence was performed in 5 patients.

    • Main Results:

    • Twenty-two of 24 patients underwent successful ex situ liver resection and autotransplantation, with an average anhepatic period of 5.6 hours.
    • Postoperative liver failure requiring transplantation occurred in 4 patients.
    • Fifteen patients survived the postoperative period, with a median survival of 21 months for those with colon cancer metastases. Two patients with benign disease survived long-term (9 and 5 years).

    Conclusions:

    • Ex situ liver surgery with autotransplantation is a feasible option for extensive liver resections and complex hepatic venous confluence reconstructions.
    • High early postoperative mortality, particularly in patients with cholestatic livers, and early tumor recurrence are significant challenges.
    • Careful patient selection is crucial for optimizing outcomes in ex situ liver surgery.