Ten cases of Actinobaculum schaalii infection: clinical relevance, bacterial identification, and antibiotic susceptibility.
نویسندگان
چکیده
Nine of 10 strains of Actinobaculum schaalii caused urinary tract infections in predisposed individuals. Identification included 16S rRNA gene sequence analysis and use of the API Coryne and Rapid ID 32 A test systems. A. schaalii is easily overlooked due to its slow growth in ambient air and its resemblance to the normal bacterial flora on skin and mucosa.
منابع مشابه
Actinobaculum schaalii - invasive pathogen or innocent bystander? A retrospective observational study
BACKGROUND Actinobaculum schaalii is a Gram-positive, facultative anaerobic coccoid rod, classified as a new genus in 1997. It grows slowly and therefore is easily overgrown by other pathogens, which are often found concomitantly. Since 1999, Actinobaculum schaalii is routinely investigated at our hospital, whenever its presence is suspected due to the detection of minute grey colonies on blood...
متن کاملActinobaculum schaalii causing urinary tract infections: report of four cases from Argentina.
Actinobaculum schaalii may be a more common urinary tract pathogen than previously described. Here we report four cases of A. schaalii UTIs and we also propose a simple identification scheme to be used in the conventional microbiology laboratory based on standard biochemical tests.
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Actinobaculum schaalii is an emerging uropathogen. So far, its identification has been performed with 16S rRNA gene sequencing or PCR. The diagnosis has often been delayed due to fastidious growth and identification problems. Eleven clinical isolates of A. schaalii from bloodstream infections that were initially identified with 16S rRNA sequencing analysis were recovered and later identified wi...
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Actinobaculum was isolated from urine only after prolonged incubation in 5% CO(2) after discrepancy between urine Gram stain and initial culture results was observed. Additional patients were diagnosed using this method. The prevalence of Actinobaculum species in urinary tract infections is underestimated since it is not isolated by routine urine culture procedures.
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ورودعنوان ژورنال:
- Journal of clinical microbiology
دوره 43 10 شماره
صفحات -
تاریخ انتشار 2005