Abstract Title:

The healing effect of topical tea tree oil on pressure ulcers in a rat model.

Abstract Source:

J Wound Care. 2023 Mar 2 ;32(Sup3a):xiv-xxi. PMID: 36930536

Abstract Author(s):

Nazan Tuna Oran, Nurten Alan, Pinar Akokay, Sibel Büyükçoban, Bekir Uğur Ergür

Article Affiliation:

Nazan Tuna Oran


The effects of topical tea tree oil (TTO) on the healing of pressure ulcers (PUs) in an animal model was evaluated.To induce PUs, ischaemia-reperfusion cycles were performed by the external application of magnetic plates, with an ischaemic period of eight hours and a reperfusion period of 16 hours. Male and female Wistar rats were divided into three equally sized groups (n=20): one group received topical glycerin twice daily, another group received topical 10% (volume/volume (v/v)) TTO in glycerin twice daily; and the remaining group was untreated. The animals were assessed after one, four, seven and 14 cycles of ischaemia-reperfusion by thermal camera imaging, and then euthanised and sampled to investigate the degree of inflammation, collagen synthesis and apoptosis in the PUs.Although topical glycerin alone suppressed local inflammation and apoptosis, this suppressive effect was accentuated at all timepoints by the application of topical TTO + glycerin. Similarly, an increase in collagen synthesis was observed in the glycerin group and this was accentuated by TTO at all timepoints. Parallel to the histological findings, the local temperature had decreased significantly on days 4 and 7 for both treatment groups (glycerin and TTO+glycerin).In this study, treatment with 10% (v/v) TTO in glycerin effectively suppressed skin inflammation and apoptosis, while it increased collagen synthesis during PU formation.

Study Type : Animal Study

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