Original Article

THE EVALUATION OF CHROMAGAR-CANDIDA AS AN ISOLATION MEDIUM FOR IDENTIFICATION OF CANDIDA SPECIES ISOLATED FROM DIFFERENT CLINICAL SPECIMENS

  • Berrin ÖZÇELIK

Received Date: 22.12.2005 Accepted Date: 09.02.2006 Turk J Pharm Sci 2006;3(1):41-48

Abstract The aim of the study was to evaluate the accuracy of CHROMagar-Candida for the identification of Candida spp. from different clinical specimens. The growth of cultures on plates, containing Sabouraud dextrose agar and CHROMagar-Candida were compared. Non-Candida albicans yeast isolates were further specificated with API 20C (bioMerieux, France). Of the 178 cultures processed, 100% accuracy for C. albicans C. krusei, C. tropicalis and 99% for other Candida spp. were determined. CHROMagar-Candida was found to be a satisfactory isolation medium for different clinical specimens, allowing immediate and correct identification of the commonly encountered yeasts. The use of CHROMagar as a yeast isolation medium in a clinical laboratory for the routine examination appears to be extremely successful in primary isolation and differentiation medium in different sample collections (vaginal specimens, blood cultures, gaita, urine sample, sputum and oropharyngeal swabs) of yeast also it is more rapidly than classical methods. Özet Çalisma farkli klinik örneklerden izole edilen Candida türlerinin identifikasyonu için CHROMagar-Candida’nin izolasyon besiyeri olarak dogrulugunun degerlendirilmesi amaciyla yapilmistir. Kültürlerin Saboraud Dextrose Agar ve CHROMagar-Candida besiyerleri içeren petri plaklarindaki üremesi birbiri ile kiyaslanmistir. Non-Candida albicans maya izolatlari API20C (bioMerieux, France) ile ileri incelemeye alinmistir. Isleme tabi tutulan 178 kültürde; C. albicans, C. krusei, C. tropicalis için %100 ve diger Candida spp. için %99 uyum saptanmistir. Siklikla karsilasilan maya türleri için hizli ve dogru identifikasyon yapan CHROMagar-Candida, degisik klinik örnekler için uygun bir besiyeri olarak bulunmustur. CHROMagar’in klinik mikrobiyoloji laboratuvarlarinda maya izolasyon besiyeri olarak rutin tani amaciyla kullanilmasi degisik örneklerde (vajinal örnekler, kan kültürü, gaita, idrar, balgam ve orofarengeal sürüntü) mayalarin ilk izolasyonu için oldukça basarili sonuç vermektedir ve ayni zamanda klasik metodlara göre çok daha hizlidir.

Keywords: CHROMagar-Candida, Candida spp, identification