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  • Title: Effects of two occlusive, hydrocolloid dressings on healing of full-thickness skin wounds in cats.
    Author: Tsioli V, Gouletsou PG, Galatos AD, Psalla D, Lymperis A, Papazoglou LG, Karayannopoulou M.
    Journal: Vet Comp Orthop Traumatol; 2016 Jul 19; 29(4):298-305. PubMed ID: 27326422.
    Abstract:
    OBJECTIVES: To determine the effects of two occlusive, hydrocolloid dressings on second intention wound healing in cats. METHODS: Three 2×2 cm full-thickness skin wounds were created on each side of the trunk of 10 cats. Two bilateral wounds were bandaged using different hydrocolloid dressings, namely Hydrocoll and DuoDerm while a semi-occlusive pad (Melolin) was applied to the third bilateral wound (control group). Wound planimetry, subjective evaluation of wound healing, and qualitative bacterial cultures were performed on the right-sided wounds, whereas left-sided wounds were subjected to histological examination. RESULTS: Subjective evaluation revealed accelerated (p <0.01) granulation tissue formation in hydrocolloid-treated wounds. The amount of wound exudate was initially greater (p <0.01) in these wounds. Seventeen out of 120 evaluated wounds (14.2%) produced purulent exudate, 11 of which showed Staphylococcus aureus growth. Fewer control wounds (3/17) emitted purulent exudate, but all of them yielded moderate bacterial growth as compared to hydrocolloid-treated wounds (8/17) which had a low incidence of bacterial growth. The only significant difference in histological variables was increased cellular infiltration noted on day 7 in Hydrocoll-treated wounds compared to controls. No significant differences in planimetry variables were found between groups. CLINICAL SIGNIFICANCE: Despite the initially increased amount of wound exudate and the low growth of Staphylococcus aureus, hydrocolloid dressings accelerate granulation tissue formation and can hence be suggested for second intention wound healing in cats.
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