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Related Experiment Videos

Preoperative portal embolization

T Takayama1, M Makuuchi, T Kosuge

  • 1Second Department of Surgery, Faculty of Medicine, University of Tokyo, Japan.

Annali Italiani Di Chirurgia
|July 1, 1998
PubMed
Summary
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Selective portal embolization (PE) before liver resection enhances future liver remnant function. This technique is safe and effective for patients with liver tumors, even those with impaired liver function or bilobar disease.

Area of Science:

  • Hepatobiliary Surgery
  • Surgical Oncology
  • Interventional Radiology

Background:

  • Hepatectomy-associated parenchymal loss is a primary risk factor for liver failure, particularly in patients with compromised hepatic function.
  • Selective portal embolization (PE) aims to induce atrophy in the lobe targeted for resection and hypertrophy in the preserved lobe.

Purpose of the Study:

  • To evaluate the safety and efficacy of preoperative PE followed by hepatectomy in patients with liver tumors.
  • To assess the impact of PE on liver regeneration and patient outcomes.

Main Methods:

  • PE was performed in 58 patients (44 with hepatocellular carcinoma, 14 with metastatic liver tumors) prior to hepatectomy.
  • Liver volumes and hepatic functional data were monitored post-PE.
  • Hepatectomy procedures included various types of liver resections.

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Main Results:

  • PE was well-tolerated, with hepatic function returning to baseline within a week.
  • A 10% increase in the contralateral lobe volume was observed after PE.
  • Operative morbidity and mortality rates were 15.5% and 1.7%, respectively.
  • Five-year overall survival rates were 46.8% for HCC and 38.0% for MLT patients.

Conclusions:

  • Preoperative PE is a valuable ancillary procedure for extensive hepatectomy.
  • It benefits patients with hepatic dysfunction or bilobar tumors requiring significant liver resection.