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Kokzidien und Mikrosporidien

  • C. Schieferstein
  • G. Just-Nübling
Chapter

Zusammenfassung

Kokzidien sind humanpathogene, intrazelluläre Protozoen mit weltweiter Verbreitung. Sie bilden Sporen, die mit den Oozysten ausgeschieden werden. Die Oozysten sind wegen ihrer festen Wand sehr umweltresistent, insbesondere auch chlorresistent, was — bedingt durch den fäkal-oralen Übertragungsweg — zu trinkwasser- und nahrungsmittelassoziierten Ausbrüchen geführt hat. Die hier beschriebenen Arten (Cryptosporidium parvum, Isospora belli, Cyclospora cayetanensis und Sarcocystis spp.) rufen gastrointestinale Erkrankungen mit wässriger Diarrhö hervor. Hauptbetroffene sind neben Reisenden insbesondere Immunsupprimierte wie z. B. AIDS-Patienten (Ausnahme Sarcocystis spp.). Daher haben diese Erreger seit Beginn der HIV-/AIDS-Epidemie durch die Zunahme an Infizierten an Bedeutung gewonnen (Chen et al. 2002).

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Copyright information

© Springer Medizin Verlag Heidelberg 2006

Authors and Affiliations

  • C. Schieferstein
    • 1
  • G. Just-Nübling
    • 2
  1. 1.Medizinische Klinik I, Klinikum der Johann WolfgangGoethe-UniversitätFrankfurt am Main
  2. 2.Medizinische Klinik II, Klinikum der Johann WolfgangGoethe-UniversitätFrankfurt am Main

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