Skin Grafts

Amalsadvala, Tannaz; Swaim, Steven F.

doi:10.1016/b978-1-56053-579-9.50018-4

Cited by 1 publication

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“…In this study, a higher percentage (83.3%) of nonmobile (adhered) grafts was observed in the HON group as compared with the PRP (57.1%) and CON (42.9%) groups at day 4. The first 48 to 72 h are very crucial to the survival of skin grafts, and the extent of adequate nutrition of the graft is solely dependent on how firmly adhered the graft is to the recipient bed [39,40]. During this period, adherence to the recipient bed is necessary for the 'kissing capillaries' phenomenon where the open ends of deep dermal vessels touch those of the recipient bed and connect into one another (inosculation) [41].…”

Section: Discussionmentioning

confidence: 99%

Nigeria bee honey-enhanced adherence, neovascularisation and epithelisation of full-thickness skin autografts on distal extremities of dogs

et al. 2022

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Background Full thickness skin grafts (FTSGs), although ideal for resurfacing large defects of the distal extremities in veterinary patients, have a high failure rate due to issues of adherence, infection and inadequate revascularisation because of its thickness and high nutritional demand. This study investigated the effect of Nigeria bee honey on FTSG take at the distal extremities of dogs. The study was conducted on 6 adult male Nigerian indigenous dogs using 3 of the 4 limbs of each dog randomly divided into 3 treatment groups: Nigerian bee honey (HON group), platelet-rich plasma (PRP group) and normal saline (CON group). Full‐thickness skin wounds (3 cm × 1.5 cm) were created on the lateral aspect of the radioulnar or metatarsal areas and dressed till adequate granulation tissues formed. Donor skins harvested from the lateral thorax of each dog were sutured to the recipient bed following application of the assigned treatment, and evaluated grossly and histologically on days 0, 4, 7, 10, 14, 17, and 21. Results A higher percentage (4/6 representing 66.7%) of complete graft take was observed in the HON and PRP groups as compared to 3/6 (50%) in the CON group. The HON group had a greater percentage (5/6 representing 83.3%) of adhered grafts as compared to the PRP (4/6 representing 66.7%) and CON (3/6 representing 50%) groups at day 4. There was a significant decrease (p = 0.022) in percentage necrosis between the CON and HON/PRP groups on day 10, 14 and 17. The percentage open mesh area for the HON group was significantly lesser at day 4, 7 and 10 when compared with CON (p < 0.001) and at day 4 when compared with PRP (p = 0.001). At histology, graft neovascularisation score was highest in the HON group on days 4, 14 and 21. Conclusion Nigeria bee honey enhanced take of meshed full-thickness skin autografts by promoting adherence to the recipient bed, enhancing fibroblast proliferation and collagen laydown, and accelerating the rate of neovascularisation suggesting promising application as an alternative modality to enhance FTSG take.

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Section: Discussionmentioning

confidence: 99%