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1.
Indian J Med Microbiol ; 2016 Oct-Dec; 34(4): 547-550
Article in English | IMSEAR | ID: sea-181133

ABSTRACT

Infections due to nutritionally variant streptococci are diagnosed rarely due to difficulties encountered during identification and isolation. Mortality rate in these infections is high therefore appropriate supplemented media and reliable detection systems should be implemented to isolate these fastidious organisms. Here, we describe two cases of Granulicatella adiacens infections. All microbiologic identifications were made with MALDI‑TOF Vitek MS (BioMerieux, France), and the results confirmed by 16S ribotyping.

2.
Indian J Med Microbiol ; 2016 Apr-June; 34(2): 202-207
Article in English | IMSEAR | ID: sea-176588

ABSTRACT

Background: The most frequently isolated fungi in patients using TPN belongs to the Candida genus. Various infections including venous catheter infections, fungemia, endocarditis and ophthalmitis may be encountered. Objective: Upon growth of Candida in the blood cultures from the pediatric (neonatal) unit of our hospital, a surveillance was performed in this unit and involving the health care workers. Clonal relationships of the isolates were investigated with molecular tests. Methods: Blood samples obtained from the patients in pediatric neonatal unit were studied with automatized blood culture [BacT/Alert (Bio Mérioux, France)]. Yeast isolates from environmental surveillance cultures (TPN solutions, hands of healthcare personnel, étagère, etc) and patients were identified as C. albicans with conventional methods and ID 32 C and ATBTM Fungus 3 (Biomerieux, France) kits. Clonal similarity was determined by using AP-PCR as initial method and we have also typified all strains by the method of REP-PCR (diversilab system,bioMérieux). Finally; Pulsed Field Gel Electrophoresis (PFGE) was used for confirmation. Results: C. albicans was isolated in blood cultures of seven patients. Similar antifungal susceptibility patterns were observed in all isolates. AP-PCR and REP-PCR showed that the C. albicans isolates grown in the TPN solution and from the patients’ blood cultures were clonally same strains. PFGE analysis further confirmed this clonality. Conclusion: According to results of the molecular methods, we thought that a C. albicans outbreak had occurred in the neonatal pediatric unit, due to contamination of TPN solution.

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