Nonfermenterler ve Seyrek Gram Negatif Basiller (Hacek Grubu Bakteriler, Capnocytophaga Türleri)
Özet
Nonfermenter basiller (Pseudomonas aeruginosa, Burkholderia cepacia, Stenotrophomas maltophilia, Acinetebacter baumannii) , doğada, toprakta, suda, bitkilerde ve hastane ortamında yaygın olarak bulunmaktadırlar. Özellikle hastane kaynaklı enfeksiyonlarda sık olarak karşımıza çıkmakta ve çoklu ilaca dirençli, tedavisi zor enfeksiyonlara neden olmaktadırlar.
HACEK kısaltması, Haemophilus spp., Aggregatibacter aphrophilus, Aggregatibacter actinomycetemcomitans, Cardiobacterium hominis, Eikenella corrodens ve Kingella kingae’yı içeren hassas ve zor üreyen bir grup gram-negatif bakteriyi ifade eder. HACEK grubu bakteriler, orofaringeal, solunum, gastrointestinal ve genitoüriner sistemde yaygın olarak normal mikrobiyotanın bir parçası olarak bulunurlar ve endokardit gibi ciddi enfeksiyonlara neden olmaktadırlar.
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