Abstract
Five highly sensitized patients, with panel reactivity greater than 80% for 1.75-5 years, were treated by extracorporeal staphylococcal protein-A immunoadsorption, prednisolone, and cyclophosphamide. The five patients underwent treatment of 18-40 (mean 31) liters of plasma, respectively in 4-7 (mean 5.6) sessions. This reduced the titer of cytotoxic antibodies to sensitizing antigens to < 1/8 in all cases and abolished reactivity to crossreacting antigens. Two patients required retreatment following resynthesis of cytotoxic antibodies. All five patients have been transplanted, and four of these now have stable serum creatinines of 168 mumol/L at 34 months, 208 mumol/L at 29 months, 96 mumol/L at 5 months, and 125 mumol/L at 3 months posttransplantation. One patient had primary graft dysfunction due to acute tubular necrosis; the kidney was removed after eight weeks and showed cortical necrosis without evidence of acute rejection.
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