Summary
Clostridium difficile toxin is frequently encountered in patients with antibiotic-associated diarrhea. A commercially available enzyme immunoassay (EIA) detecting toxins A and B was evaluated, screening 148 stool specimens specifically submitted for the detection ofC. difficile. A sensitivity of 100% and a specificity of 97.5% were found compared to a tissue culture assay. The overall prevalence ofC. difficile toxin was 22.1%. Cephalosporins had been administered significantly more often to toxin-positive patients. The EIA proved to be a suitable test for the detection ofC. difficile toxin, revealing high prevalences in specifically submitted clinical specimens.
Zusammenfassung
Clostridium difficile stellt eine der häufigsten Ursachen von antibiotika-assoziierten Diarrhöen dar. Wir untersuchten einen kommerziellen ELISA zum Nachweis der Toxine A und B anhand von 148 zum Nachweis vonC. difficile eingesandten Stuhlproben. Die Sensitivität des ELISA betrug, verglichen mit einem Zellkulturtest, 100%, die Spezifität lag bei 97,5%. Die Prävalenz vonC. difficile-Toxin wurde mit 22,1% bestimmt. Bei toxin-positiven Patienten war signifikant häufiger eine Therapie mit Cephalosporinen durchgeführt worden. Der Toxin A- und B-ELISA eignete sich gut zum Nachweis vonC. difficile-Toxin und erbrachte hohe Prävalenzen in zum Nachweis vonC. difficile eingesandten Proben.
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Liesenfeld, O., Saeger, F. & Hahn, H. Detection ofClostridium difficile toxin by enzyme immunoassay, tissue culture test and culture. Infection 22, 29–32 (1994). https://doi.org/10.1007/BF01780761
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DOI: https://doi.org/10.1007/BF01780761