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40 Cards in this Set
- Front
- Back
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Split thickness skin grafts -
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Epidermis and portion of dermis
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Full thickness skin grafts
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All the epidermis and dermis,
no fat or fascia has sweat and sebaceous glands |
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Autografts;
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same individual
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Allografts;
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same species
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Isograft;
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Isograft;
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Xenograft;
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different species
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Recipient Site for skin graft must be....
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What can you not graft skin onto?
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Can not graft onto cortical bone, tendon or cartilage
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What are the advantages of thicker or thinner skin grafts
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The thinner the graft the higher chances are for a successful take
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what ratio would you use for meshing?
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meshed at ratio of 1 1/2 to 1, or less
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Stages of Skin grafting
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Lenght to width of full thickness skin graft
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Length to width is at least 3-1
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Neurotizationoccurs in order...
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What are common causes of graft failure
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Lack of compression of graft to recipient bed
Movement/ shearing Infection (2nd most common) Seroma Hematoma (most common) |
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What are local grafts
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Local flaps are adjacent to the defect and are either rotated ona pivot point or are advanced forward from their base to cover a defect.They include minimum of epidermis, dermis and SQ. Donor site either closed primarily or skin grafted. STSG are used to cover defects greater 2.5 cm and local flaps are used in defects less than 2.5cm.
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Single Advancement grafts are used to..
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Sub metatarsal head
On plantar foot, flap based proximal, may angle medial or lateral On plantar heel can be used for up to 1cm. lesion |
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What is the best donor site in the foot?
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Sinus tarsi
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NOT ON TEST
Double Advancement grafts are used to.. |
For larger deficits
Flaps can be of different lengths At a minimum include skin nd subcutaneous tissue Be careful of orientation for both vascularityand venous congestion |
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NOT ON TEST
V-to-Y grafts are used for... |
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Rotational Flaps
used for.. rest for how long.. |
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NOT ON TEST
How should you make the cut for single rotational flap |
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NOT ON TEST
Transposition Flaps |
Combine the use of both rotation and advancement
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NOT ON TEST
Bilobed Flap |
Bilobed Flap
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How do you identify relaxed skin tension lines
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What is the orientation of skin plasty for 5th toe?
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Distal medial to proximal lateral
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z-plasty
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Central arm placed line of contracture
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Which flap keeps pedicle?
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rotational flaps
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How long Non weight bearing for plantar incisions?
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3 weeks
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Do you want to skive the incision?
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No, never, ever
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How long should suture be left in place
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10-14 days
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Phases of wound healing
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Substrate Phase: (Inflammatory) 5-7 days
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young patient with pain, soap bubble appearance on metaphysis on x-ray
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ewing's sarcoma
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6 D's of Charcot
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Destruction
Density (increased) Disorganization Dislocation Disarticulation Debris |
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What is the gold standard for treating acute charcot
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total contact cast
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What is Stage 0 Charcot
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Localized heat
swelling redness \increased perfustion no x ray gchanges Bone scan + increased meary's angle, small bone spurs added by "shibata and colleagues |
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How long nopweightbearing iwht conservative treatment of charcot
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8-12 weeks
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What are some conservative surgical optons for charcot foot
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TAL
Exostectomy Cuboid Planing |
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Can you do Ex -fix in acute phase charcot?
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yest
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contraindications for Artrhodesis
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acute CF (stage I)
poor nutrition or diabetic contril Secve PVD activ e soft dissue or bone infecitn noncompliant patient poor bone stock for fixation |
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If a charcot pating has bounding pulse does that mean he has good blood perfusion?
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no
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