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Related Experiment Videos

Tissue crossmatch before corneal transplantation.

V M Borderie1, S Scheer, T Bourcier

  • 1Cornea Bank of EFS--Ile-de-France and Centre Hospitalier National d'Ophtalmologie des XV-XX, 28 rue de Charenton, 75012 Paris, France. borderie@quinze-vingts.fr

The British Journal of Ophthalmology
|December 25, 2003
PubMed
Summary

Pre-transplant anticorneal antibodies (IgM) were detected in 28% of patients undergoing penetrating keratoplasty. However, these donor-specific antibodies did not increase the risk of corneal transplant rejection or failure.

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Area of Science:

  • Ophthalmology
  • Immunology
  • Transplantation Science

Background:

  • Corneal transplantation (penetrating keratoplasty) is a common procedure.
  • Pre-existing antibodies in recipients can potentially affect transplant outcomes.
  • The role of anticorneal antibodies, specifically IgM, before transplantation requires further investigation.

Purpose of the Study:

  • To determine the prevalence of anticorneal antibodies in patients awaiting penetrating keratoplasty.
  • To assess the impact of these pre-transplant antibodies on corneal graft survival and rejection rates.

Main Methods:

  • A cohort of 100 penetrating keratoplasties was analyzed.
  • Recipient serum was tested for IgM antibodies against donor corneal tissue using cryosections.

Related Experiment Videos

  • Crossmatch assays were performed to detect anti-donor antibodies.
  • Graft survival and rejection were monitored for a mean follow-up of 61 months.

    • Main Results:

    • Donor-specific anticorneal stromal IgM antibodies were identified in 28% of recipients prior to surgery.
    • No significant association was found between positive IgM crossmatch results and graft survival.
    • Similarly, pre-transplant IgM antibodies did not correlate with rejection-free graft survival.

    Conclusions:

    • A significant proportion of patients possess donor-specific anticorneal IgM antibodies before penetrating keratoplasty.
    • The presence of these antibodies does not appear to elevate the risk of corneal transplant rejection.
    • Further research may explore the clinical significance of other antibody types or specificities.