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Hypersplenism induced by hepatectomy.

K Akimaru1, M Onda, T Tajiri

  • 1First Department of Surgery, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-ku, Tokyo 113-8602, Japan. akimaru@nms.ac.jp

Hepato-Gastroenterology
|August 9, 2001
PubMed
Summary

Postoperative splenic enlargement and hypersplenism after hepatectomy are linked to liver cirrhosis and major resections. These conditions, though rare, can lead to severe complications like disseminated intravascular coagulopathy.

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Area of Science:

  • Hepatobiliary Surgery
  • Gastroenterology
  • Hematology

Background:

  • Posthepatectomy complications can include splenic enlargement and hypersplenism.
  • Disseminated intravascular coagulopathy (DIC) is a rare but severe outcome.

Purpose of the Study:

  • To retrospectively investigate the incidence and risk factors of postoperative splenic enlargement, hypersplenism, and DIC after hepatectomy.
  • To identify patient and surgical factors associated with these complications.

Main Methods:

  • Retrospective analysis of 57 patients undergoing hepatectomy for various liver conditions.
  • Evaluation of computed tomography (CT) scans and laboratory data for splenic size, hypersplenism, and DIC.
  • Statistical analysis to determine correlations between patient factors, surgical extent, and outcomes.

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Main Results:

  • Splenic enlargement occurred in 12 patients, significantly correlated with the extent of hepatectomy (P=0.037).
  • Postoperative hypersplenism developed in 6 patients, exclusively in those with liver cirrhosis/chronic hepatitis and preoperative splenomegaly who underwent major hepatectomy.
  • Lower preoperative platelet counts were observed in patients with liver cirrhosis or chronic hepatitis (P=0.0001).

Conclusions:

  • Postoperative hypersplenism after hepatectomy is strongly associated with underlying liver cirrhosis/chronic hepatitis and preoperative splenomegaly.
  • Larger hepatectomies increase the risk of developing hypersplenism in susceptible patients.
  • Careful patient selection and monitoring are crucial for managing these risks.