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What is a skin graft
A harvetsed segment of epidermis and dermis that has been elevated and separated completely from its blood supply
What is a dermatome in relation to skin grafts
It is an instrument used for harvesting skin grafts
It simplifies the method of elevating a skin graft providing consistency in terms of desired size and depth
Was invented by Padget during World War 2
Describe the types of skin graft
Full thickness- which is a segment that includes the epidermis and entire dermis
Resembles normsl skin more closely, including texture, colour and potential for hair growth
Demonstrates the greatest amount of primary contracture but the least amount secondary wound contracture
Risks;
Slightly higher risk of non adherence
Donor site availability must be considered (must be amenable to primary closure)
Split thickness - is a sample of partial thickness that consists of the entire epidermis and a portion of the dermis
Partial thickness - can be harvested at varying depths and are classified according to thickness of dermis included
Thin, intermediate, medium or thick split-thickness grafts
Demonstrates less primary contracture following harvest but greater secondary contracture of the grafted wound
A thick split-thickness graft can decrease the rate of wound contracture but it does not retard it completely
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