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EBSCO

https://doi.org/10.14300/mnnc.2023.18014

рН-sensitive dressing material in monitoring the wound process

[Experimental medicine]
Arsen Grigoryan; Alexander Bezhin; Tatyana Pankrusheva; Lyudmila Zhilyaeva; Sergey Anatolyevich Efanov; Larisa Vasilyevna Atrepyeva;

There was developed the cellulose material that can changes the color in contact with a biological fluid. An analysis of 128 bacteriological cultures of wound discharge with fixation of the pH of the wound in patients with purulent wounds was carried out, in 68 cases, growth of Staphylococcus epidermidis was detected. In the experiment, the pH of the wound and the degree of contamination were studied, and it was found the positive (direct) correlation between them. In addition, change in the color of the dressing was recorded after contact with the wound surface. Thus, without removing the dressing, medical personnel can judge the level of acidity in the wound and draw appropriate conclusions about the need to use antimicrobial drugs, the need to change the dressing, and to determinate the risk of clean wound infection.

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Keywords: wound pH, wound process, purulent wound, flexible pH-sensitive systems, pH-sensitive dressing material