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Related Experiment Videos

Complement activation during liver transplantation

H Tomasdottir1, B A Henriksson, J P Bengtson

  • 1Department of Anaesthesiology and Intensive Care, Sahlgren Hospital, Göteborg, Sweden.

Transplantation
|April 1, 1993
PubMed
Summary
This summary is machine-generated.

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Liver transplantation triggers complement activation, increasing anaphylatoxins (C3a, C5a) and terminal C5b-9 complement complexes (TCC). This complement activation may explain circulatory issues post-transplant.

Area of Science:

  • Immunology
  • Transplantation Medicine

Background:

  • Orthotopic liver transplantation (OLT) is a complex procedure.
  • Circulatory complications frequently occur in patients undergoing OLT.

Purpose of the Study:

  • To investigate complement activation and anaphylatoxin formation following liver reperfusion in OLT patients.

Main Methods:

  • Studied 12 end-stage liver disease patients undergoing OLT.
  • Measured complement variables (C1INH, C3, C4, C5, C3a, C5a, TCC) preoperatively and at multiple time points post-reperfusion.

Main Results:

  • Complement activation was observed during OLT.
  • Plasma concentrations of C1INH, C3, C4, and C5 decreased.
  • Anaphylatoxins (C3a, C5a) and terminal C5b-9 complement complexes (TCC) increased post-reperfusion.

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Conclusions:

  • Complement activation, evidenced by increased anaphylatoxins and TCC, occurs after liver reperfusion.
  • This activation may contribute to circulatory complications in OLT recipients.