PMID: 9424594Jan 1, 1997Paper

Can one graft with a positive cross-match?

Néphrologie
E AlamartineF Berthoux

Abstract

Differential cross-matches have been proposed to allow immunised patients to be grafted, whereas the dogma of a global positive cross-match discarded them from renal transplantation. We report our one-center experience considering current T positive cross-match as the only contra-indication to grafting, as well as patients whose sera comprise specific anti-donor antibodies. A comprehensive characterization of the antibodies was achieved by identification of auto-antibodies and specification of IgM and IgG isotype, class I and class II specificities, as well as HLA specificities. The differential cross-match comprised an auto and an allo-cross-match, against T and B lymphocytes. Historical and current sera were analysed either untreated or after DTT-treatment, at +4 degrees C and +22 degrees C. We performed 79 renal transplantations across positive cross-matches, which were 20 historical T positive cross-matches, 26 historical B positive cross-matches and 33 current B positive cross-matches. Results and graft survival were strictly identical as those obtained in the transplantations achieved with negative cross-matches throughout the same period, especially in sensitized patients. Current positive B cell cross-matches due to IgG...Continue Reading

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