BENJAMIN J. LUFT, M.D.; YEHUDITH NAOT, D.Sc.; FAUSTO G. ARAUJO, Ph.D.; EDWARD B. STINSON, M.D.; JACK S. REMINGTON, M.D.
We have attempted to define the serologic criteria for diagnosis of toxoplasmosis in heart transplant recipients. Of 31 patients who were seronegative before transplantation, 4 received a heart from a seropositive donor, and 3 of these 4 had seroconversion and developed life-threatening toxoplasmosis; the remaining 27 did not have seroconversion or develop clinical toxoplasmosis. Of 19 patients who had antibodies to Toxoplasma before transplantation, 10 developed significant increases in test titers of the dye test or double-sandwich IgM enzyme-linked immunosorbent assay but did not develop a clinical illness that could be attributed to toxoplasma infection. Significant serologic changes occurred more often in patients who received azathioprine, corticosteroids, and antithymocyte globulin than in those who received cyclosporine, corticosteroids, and antithymocyte globulin (p <0.05). These data show the wide clinical spectrum and differences in kinetics of antibody response of patients who develop toxoplasma infection after transplantation, and suggest that clinical disease occurs in those who have seroconversion but is rare in patients with preexisting antibody who have serologic evidence of recrudescence.
LUFT BJ, NAOT Y, ARAUJO FG, STINSON EB, REMINGTON JS. Primary and Reactivated Toxoplasma Infection in Patients with Cardiac Transplants: Clinical Spectrum and Problems in Diagnosis in a Defined Population. Ann Intern Med. ;99:27–31. doi: 10.7326/0003-4819-99-1-27
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Published: Ann Intern Med. 1983;99(1):27-31.
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