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[The post-transfusional toxoplasmosis (author's transl)]
The sera of 85 patients suffering from Cooley anemia, 100 normal children of the same group of age, and 550 blood donors have been tested for the presence of anti-toxoplasma antibodies by indirect immunofluorescence test. The sera of 10 thalassemic patients gave positive reactions at a dilution reaging from 1/64 to 1/2048; in 2 sera a positive reaction was obtained with specific anti-IgM antibodies, indicating an active infection. In the control group, only 2 positive sera have been found. In donors group, instead, 5 sera were positive, and in 2 cases IgM antibodies were detectable. The analysis of data confirms, although indirectly, that heavily transfused patients are at a particular risk to acquire the infection from Toxoplasma Gondii.
The sera of 85 patients suffering from Cooley anemia, 100 normal children of the same group of age, and 550 blood donors have been tested for the presence of anti-toxoplasma antibodies by indirect immunofluorescence test. The sera of 10 thalassemic patients gave positive reactions at a dilution reaging from 1/64 to 1/2048; in 2 sera a positive reaction was obtained with specific anti-IgM antibodies, indicating an active infection. In the control group, only 2 positive sera have been found. In donors group, instead, 5 sera were positive, and in 2 cases IgM antibodies were detectable. The analysis of data confirms, although indirectly, that heavily transfused patients are at a particular risk to acquire the infection from Toxoplasma Gondii.