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Exp Dermatol. 2012 Jun;21(6):463-6. doi: 10.1111/j.1600-0625.2012.01502.x.

High genetic diversity of Staphylococcus aureus strains colonizing patients with epidermolysis bullosa.

Abstract

Patients with the blistering disease, epidermolysis bullosa (EB), frequently suffer from chronic wounds that become colonized by pathogenic bacteria, such as Staphylococcus aureus. To determine S. aureus colonization rates in patients with EB, swabs were collected from the anterior nares, throats and wounds of 52 Dutch patients with EB. Swabs were also collected from nares and throats of 13 healthcare workers who occasionally meet the sampled patients with EB. All EB patients with chronic wounds and 75% of the patients without chronic wounds were colonized with S. aureus. In contrast, 39% of the sampled healthcare workers were colonized with S. aureus. Typing revealed a high degree of genetic diversity of 184 collected S. aureus isolates. Autoinoculation of S. aureus in individual patients with EB was shown to occur frequently, whereas transmission of S. aureus between patients with EB is apparently rare. There was no evidence for S. aureus transmission between patients with EB and healthcare workers.

© 2012 John Wiley & Sons A/S.

PMID:
22621190
[PubMed - indexed for MEDLINE]
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