Cyclosporine Therapy and Refractory Pneumocystis carinii Pneumonia

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Abstract
• In surveillance of 75 patients receiving renal transplants in 1984 at our Institution, five cases ofPneumocystis cariniipneumonia were detected. All five cases occurred in a subgroup of 11 patients who had received cyclosporine. A retrospective epidemiologic survey of the infected patients revealed all five were heterosexual white men with onset ofPneumocystispneumonia two to six months after cadaveric transplantation. All received cyclosporine and corticosteroids, and four of five patients also received azathioprine; none was neutropenic or had evidence of concurrent cytomegalovirus infection. Only one of these patients responded to therapy with sulfamethoxazole and trimethoprim, one patient responded to pentamidine therapy, and the remaining three patients died. Cyclosporine use may be related to development ofPneumocystisinfections that are refractory to conventional antiprotozoal therapy, and transplantation programs should closely survey patients for such complications. (Arch Surg1987;122:1034-1035)