Podcast
Questions and Answers
What is the primary function of the fibrin network in the early stages of graft revascularization?
What is the primary function of the fibrin network in the early stages of graft revascularization?
- To prevent the formation of anastomoses.
- To act as a scaffolding for capillary growth. (correct)
- To serve as a barrier against infection.
- To directly provide nutrients to the graft.
The formation of anastomoses between graft and recipient site vessels promotes capillary bud proliferation in the recipient bed.
The formation of anastomoses between graft and recipient site vessels promotes capillary bud proliferation in the recipient bed.
False (B)
Approximately how quickly does new capillary ingrowth occur in a graft?
Approximately how quickly does new capillary ingrowth occur in a graft?
0.5 mm/d
Marked vascular remodeling takes place in the graft as the result of random anastomoses of graft arteries with recipient bed ______ and vice versa.
Marked vascular remodeling takes place in the graft as the result of random anastomoses of graft arteries with recipient bed ______ and vice versa.
Match the events with their approximate timing after graft placement:
Match the events with their approximate timing after graft placement:
What primary factor contributes to the better viability of split-thickness grafts compared to full-thickness grafts?
What primary factor contributes to the better viability of split-thickness grafts compared to full-thickness grafts?
Split-thickness grafts are generally more durable and less susceptible to trauma compared to full-thickness grafts.
Split-thickness grafts are generally more durable and less susceptible to trauma compared to full-thickness grafts.
What is the advantage of using split-thickness grafts in cases where wound contraction causes problems, such as contracture deformity?
What is the advantage of using split-thickness grafts in cases where wound contraction causes problems, such as contracture deformity?
The establishment of perfusion is hastened in split-thickness grafts because ingrowing vessels have less distance to ______.
The establishment of perfusion is hastened in split-thickness grafts because ingrowing vessels have less distance to ______.
Match the characteristics with the corresponding type of skin graft:
Match the characteristics with the corresponding type of skin graft:
What is the primary purpose of using skin hooks, forceps, or stay sutures when cutting long skin grafts with a dermatome?
What is the primary purpose of using skin hooks, forceps, or stay sutures when cutting long skin grafts with a dermatome?
A power-driven dermatome is typically the most cost-effective option for surgeons who only perform skin grafts occasionally.
A power-driven dermatome is typically the most cost-effective option for surgeons who only perform skin grafts occasionally.
Why do many surgeons prefer to overlap the skin graft slightly beyond the edges of the recipient defect?
Why do many surgeons prefer to overlap the skin graft slightly beyond the edges of the recipient defect?
After graft harvest, it should be oriented on the recipient bed to match the direction of ______ of the surrounding skin.
After graft harvest, it should be oriented on the recipient bed to match the direction of ______ of the surrounding skin.
Match the following donor site closure techniques with their descriptions:
Match the following donor site closure techniques with their descriptions:
Why is it important for a wound to be visually free from evidence of infection before applying a skin graft?
Why is it important for a wound to be visually free from evidence of infection before applying a skin graft?
Grafts applied directly to tendons always fail due to the lack of vascularity.
Grafts applied directly to tendons always fail due to the lack of vascularity.
What type of tissue lacking adequate vascularity will directly prevent engraftment of a graft?
What type of tissue lacking adequate vascularity will directly prevent engraftment of a graft?
According to the case series, successful acute grafting was reported following tumor resection in canine patients on the antebrachium or _________.
According to the case series, successful acute grafting was reported following tumor resection in canine patients on the antebrachium or _________.
Match the tissue type with the reason it is unsuitable for skin grafting:
Match the tissue type with the reason it is unsuitable for skin grafting:
What is a recommended alternative to acute grafting for an open wound before?
What is a recommended alternative to acute grafting for an open wound before?
Clean abrasion wounds may be grafted acutely.
Clean abrasion wounds may be grafted acutely.
What should be used instead of grafts for wounds that lack sufficient vascularity to support a graft?
What should be used instead of grafts for wounds that lack sufficient vascularity to support a graft?
What is applied to the graft site before placing a nonadherent dressing?
What is applied to the graft site before placing a nonadherent dressing?
Skin staples are not an acceptable method of securing skin grafts to the recipient site.
Skin staples are not an acceptable method of securing skin grafts to the recipient site.
What is the purpose of trimming a 2 to 3 mm margin from the free graft edge before suturing it to the wound edge?
What is the purpose of trimming a 2 to 3 mm margin from the free graft edge before suturing it to the wound edge?
After the edges are sutured, the graft is further secured by placing simple interrupted sutures between the ______ in the graft.
After the edges are sutured, the graft is further secured by placing simple interrupted sutures between the ______ in the graft.
Match the described features with the post-grafting time frame:
Match the described features with the post-grafting time frame:
What should be done if excess tension is encountered when closing the donor site?
What should be done if excess tension is encountered when closing the donor site?
Excessive ointment on the dressing is beneficial as it keeps the graft moist and further promotes graft take.
Excessive ointment on the dressing is beneficial as it keeps the graft moist and further promotes graft take.
After meshing, what should be paid attention to, before placing the graft?
After meshing, what should be paid attention to, before placing the graft?
What is the primary purpose of the secondary layer in a skin graft bandage?
What is the primary purpose of the secondary layer in a skin graft bandage?
Splints are typically required for a minimum of 21 days following a skin grafting procedure to ensure complete immobilization.
Splints are typically required for a minimum of 21 days following a skin grafting procedure to ensure complete immobilization.
What solution is recommended for gently cleaning a superficial infection on a graft surface?
What solution is recommended for gently cleaning a superficial infection on a graft surface?
The tertiary outer layer of a skin graft bandage is designed to provide protection from the environment while remaining ______.
The tertiary outer layer of a skin graft bandage is designed to provide protection from the environment while remaining ______.
Match each layer of a skin graft bandage with its primary function:
Match each layer of a skin graft bandage with its primary function:
Which material is NOT recommended for the outer layer of a skin graft bandage?
Which material is NOT recommended for the outer layer of a skin graft bandage?
Hyperbaric oxygen therapy (HBOT) consistently demonstrates improved graft viability and reduced inflammation in grafted wounds.
Hyperbaric oxygen therapy (HBOT) consistently demonstrates improved graft viability and reduced inflammation in grafted wounds.
Besides a Mason metasplint, name one other method for immobilizing joints with grafts.
Besides a Mason metasplint, name one other method for immobilizing joints with grafts.
Flashcards
Graft Vascularization Timing
Graft Vascularization Timing
Graft vascularization typically starts between 48-72 hours post-placement.
Anastomosis
Anastomosis
Anastomosis is the connection formed between graft vessels and recipient site vessels, promoting blood flow.
Capillary Bud Proliferation
Capillary Bud Proliferation
The growth of capillary buds from the graft bed into the graft is inhibited by blood flow from anastomoses.
Vascular Ingrowth
Vascular Ingrowth
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Vessel Maturation
Vessel Maturation
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Dermatome
Dermatome
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Graft Tensioning
Graft Tensioning
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Avascular Necrosis
Avascular Necrosis
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Graft Orientation
Graft Orientation
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Donor Site Closure
Donor Site Closure
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Wound Debridement
Wound Debridement
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Acute Grafting
Acute Grafting
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Neovascularization
Neovascularization
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Graft Survival Conditions
Graft Survival Conditions
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Poor Graft Recipient Sites
Poor Graft Recipient Sites
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Vascular Flaps
Vascular Flaps
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Infection Risk
Infection Risk
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Granulation Tissue
Granulation Tissue
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Split-thickness grafts
Split-thickness grafts
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Viability comparison
Viability comparison
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Inosculation
Inosculation
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Disadvantages of split-thickness grafts
Disadvantages of split-thickness grafts
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Wound contraction
Wound contraction
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Contact Layer
Contact Layer
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Secondary Layer
Secondary Layer
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Tertiary Outer Layer
Tertiary Outer Layer
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Mason Metasplint
Mason Metasplint
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Bandage Change Frequency
Bandage Change Frequency
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Superficial Infection
Superficial Infection
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Hyperbaric Oxygen Therapy (HBOT)
Hyperbaric Oxygen Therapy (HBOT)
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Negative-Pressure Wound Therapy
Negative-Pressure Wound Therapy
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Graft Placement
Graft Placement
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Sutures
Sutures
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Mesh Sites
Mesh Sites
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Graft Trimming
Graft Trimming
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Securing Graft
Securing Graft
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Tension-Relieving Techniques
Tension-Relieving Techniques
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Aftercare Bandaging
Aftercare Bandaging
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