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Renal transplantation across a blood group barrier--'A2' kidneys to 'O' recipients.

The outcome of 11 renal transplants with kidneys from blood group A2 donors to blood group O recipients is reported. Eight grafts had a satisfactory function, three early losses were noted: one acute rejection after four weeks, two technical failures. The longest survival is four years, the patient died from septicaemia with a functioning graft. Obviously, the blood group A2-O incompatibility is not an obstacle to successful organ transplantation.