Outcome of ABO-incompatible liver transplantation in children with no specific alloantibodies at the time of transplantation.
The shortage of suitable liver donors for children has motivated the use of ABO-incompatible (ABO-I) grafts for transplantation in urgent situations. However, survival after ABO-I liver grafts has been reported at about 30% as compared with 80% in cases of ABO-identical or -compatible liver grafts. This difference has been attributed to antibody-mediated, hyperacute or chronic liver rejection, due to preformed ABO antibodies (alloantibodies). In this study, we report our results with ABO-I livers in children without alloantibodies at the time of transplantation. From January 1988 to June 1993, 143 OLT were performed in 122 children. Eight children received 8 ABO-I liver grafts. Of these, 7 patients were included in the study. All 7 were alloantibody free before OLT. Five children were spontaneously alloantibody free, while in 2 children, the plasma alloantibodies were eliminated before and after transplantation using intravenous infusion of specific blood group antigens of the donor blood group (soluble antigens). Immunosuppression consisted of a triple-drug treatment combining CsA, AZA, and steroids. The follow-up period was between 10 and 48 months. One child died from a surgical complication. Six children survived, but 1 died 10 months later from intestinal obstruction. There were no graft losses and no episodes of hyperacute or chronic rejection. The graft and patient survival rate was 71%. There was a 28% incidence of rejection, but all were mild (requiring steroid boluses only). Our results suggest that the absence of ABO alloantibodies at the time of and after transplantation can protect ABO-I liver grafts against antibody-mediated rejection, whether hyperacute or chronic, and that soluble antigens are effective in eliminating alloantibodies in children.
Yandza
T
T
Department of Pediatric Surgery, Hôpital Bicetre, Le Kremlin-Bicêtre, France.
Lambert
T
T
Alvarez
F
F
Gauthier
F
F
Jacolot
D
D
Huault
G
G
Fabre
M
M
Valayer
J
J
D000017:ABO Blood-Group System / Q000276:immunology*; D001787:Blood Group Incompatibility / Q000276:immunology*; D001788:Blood Grouping and Crossmatching; D005260:Female; D005500:Follow-Up Studies; D006085:Graft Survival / Q000187:drug effects; D006801:Humans; D007166:Immunosuppressive Agents / Q000627:therapeutic use; D007223:Infant; D007518:Isoantibodies / Q000276:immunology*; D016031:Liver Transplantation / Q000276:immunology*; D008297:Male; D016896:Treatment Outcome
D000017:ABO Blood-Group System; D007166:Immunosuppressive Agents; D007518:Isoantibodies