The aerobic and anaerobic microbiology of pustular acne lesions |
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Authors: | Brook I Frazier E H Cox M E Yeager J K |
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Institution: | Department of Pediatrics, Naval Hospital, Bethesda, MD, USA. |
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Abstract: | Specimens from 32 pustular acne lesions that were inoculated on media supportive for the growth of aerobic and anaerobic bacteria showed bacterial growth. Only aerobic or facultative bacteria were recovered in 15 (47%) specimens, only anaerobic bacteria in 11 (34%) specimens, and mixed aerobic and anaerobic bacteria in 6 (18%) specimens. A total of 57 isolates, 31 anaerobes (1.0 per specimen) and 26 aerobes (0.8 per specimen) were recovered. The predominant isolates were Staphylococcus sp. (19 isolates), Peptostreptococcus sp. (15), and Propionibacterium sp. (10). Twelve (37.5%) of the comedones yielded only one organism. This retrospective study highlighted the polymicrobial nature of over two-thirds of culture positive pustular acne lesions and suggests the potential for pathogenic role of aerobic and anaerobic organisms other than P. acnes and Staphylococcus sp. in acne vulgaris. |
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Keywords: | Acne vulgaris Propionilbacterium acnes Staphyloccus sp Peptostreptococcus sp Bacteroides sp |
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