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Question about skin microflora


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If you can read Russian, an article was released, THE MORPHOLOGY OF BIOFILMS IN THE FACE AT ACNE-LIKE DERMATOSES COMPLICATED BY DEMODEX, which we have some questions about. Here is a translation:

Elistratova L.L., Potaturkinа-Nesterova N.I., Nesterov A.S.
Ulyanovsk State University, Ulyanovsk, e-mail: webmaster@ulsu.ru

The article shows that skin microbiocenosis acne-like dermatoses complicated by demodex is characterized
by a wide range of species composition. The greatest diversity was found in bacteria of the genus Staphylococcus,
which identifi ed seven species (in the comparison group – 5 species). For all acne-like dermatoses complicated by
demodex, with the greatest frequency from the surface of affected areas allocated Staphylococcus haemolyticus.
This species was found in patients with rosacea in 18, perioral dermatitis – 9 times more likely than the comparison
group. At the same time, Staphylococcus epidermidis occurred in patients with rosacea to 6 times, with and perioral
dermatitis – 3 times less than healthy. Microbial skin in patients acne-like dermatoses complicated by demodex is also
increased due to the appearance of species such as Staphylococcus kruseu, Streptococcus mitis and Acinetobacter
calcoaceticus, which do not sow in healthy people.

Keywords: biofi lm, rosacea, perioral dermatitis, demodex, microflora



The article shows the features of skin microflora in patients with perioral dermatitis (PD) depending on whether the patients mites of Demodex. The study involved 98 patients with perioral dermatitis, of which 51 primary disease accompanied by demodex. In all forms of perioral dermatitis, combined with demodex, microflora studied microorganisms in the patients examined was characterized by a more pronounced species diversity. The highest rates were observed in the incidence of bacteria of the genus Staphylococcus. The more severe forms of dermatosis often identified S. aureus and S. Haemolyticus, with mild - S. epidermidis and S. hominis. Depending on the length of the disease, an increase in the species diversity of the microflora of the skin, most pronounced when combined PD with demodicosis. As part microcenosis showed an increase incidence of pathogenic and opportunistic species.

----------------------------end translation

Do you have any comments on how Staphylococcus bacteria increase may be a factor in all this?

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