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Full-Thickness & Split thickness skin graft
Anatomy Pg. 730 Surgery Pg. 734
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Anatomy Choice of donor site influenced by
Age, sex, and general health of patient Location of the wound to be grafted Dermis Site of surface to be covered Reticular Layer Condition of potential donor site Papillary Layer Ideal donor sites Epidermis Abdomen Stratum Basale Back Stratum Spinosum Chest Stratum Granulosum Lateral and ventral aspect of the thighs Stratum Lucidum Stratum Corneum
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Physiology, Pathophysiology, & diagnostic Exams
Protection from external forces, such as ultraviolet rays First line of defense against disease and infection Preserve fluid balance Vital in regulating body temperature Excretion of waste via sweat Sensory input through receptors for temperature, pain, touch, and pressure Synthesis of vitamin D Injury History & Physical Disease Direct Examination Hereditary
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Surgical intervention
When a healthy part of the skin is surgically transplanted to a new site of the body Either the epidermis and all of the dermis (FTSG) or the epidermis and approximately half of the dermis (STSG)
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Special Considerations
Surgeon may outline the planned incision lines with a sterile marking pen If the recipient site is an open wound, two separate areas must be created on the sterile field, and the instrumentation and supplies for each part of the procedure must be segregated to prevent contamination of the donor site or seeding of cancer cells at the donor site It will be necessary for the sterile team members to change their gloves during the procedure If doing a FTSG, the wound will not be able to heal by itself because there is no more dermis, therefore it must be sutured for primary healing to take place If graft is not being used right away it must be kept moist with saline or antibiotic ointment
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Skin Prep Hair removal is carried out (if necessary)
Both areas prepped according to procedure Normally the donor site is prepped first and is considered clean If the recipient site is an open wound or potentially contains cancer cells it is prepped last and is considered dirty
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Anesthesia, Positioning, Draping, incision
General Local with monitored anesthesia care (MAC) Supine Arms on armboards Depends on the sites Varies according to the body parts affected Depends on the donor and recipient site
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Supplies Inedible marking pen Control syringes and needles x2
25 or 27 gauge x 1 ½” Local anesthetic Blade #15 Wydase/ hyaluronidase (enzymatic diffusing agent) Electrosurgical pencil with needle tip, cord, holder and scraper Medicine cup, paper labels Needle magnet or counter Tube stockinette for extremities (optional) Double-faced tape for drum dermatome Epinephrine or thrombin solution (vasoconstriction) Suture and/ or staples Nonadherent dressing pad Basin set, antibiotic irrigation , and bulb syringe (optional) Vacuum-assisted closure (VAC) for wounds with healing difficulty Mineral oil and tongue depressors x2
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Equipment & Instruments
ESU, unipolar or bipolar Plastic procedures or limited procedures set Suction, available Oscillating knife or electrical handheld oscillating dermatome (optional) Drum dermatome (optional) Derma carrier (optional) Skin hooks, ALM retractor
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Procedural Steps If necessary the recipient site may need to be readied by excision of a benign or malignant lesion, or irrigation and debridement. The excision is carried out using a #15 scalpel blade, Adson tissue forceps and tenotomy or iris scissors If the specimen is considered a malignant lesion it is immediately sent to the pathology lab to be examined for margins to ascertain that all of the malignant tissue has been excise, along with a "buffer" of normal tissue At this time the sterile team members will change their gloves and the surgical technologist will switch to the "clean" instruments The next step is to excise the FTSG from the donor site using technique similar to that used for preparing the recipient site. The surgeon will use either the #15 knife blade or knife dermatome. Remember, FTSGs tend to be much smaller than STSGs. If necessary to decrease tension on the wound edges, the subcutaneous tissue immediately surrounding incision may be undermined using Metzenbaum or tenotomy scissors
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Procedural steps (cont.)
The donor site is sutured closed and the sterile dressings are applied The graft and recipient site may each be modified in shape for proper quote "fit". If any subcutaneous tissue is present on the graft it is removed with tenotomy or iris scissors. The graft is positioned and secured with suture or stapled in place Split-Thickness Skin Graft Prior to removing the tissue from the donor site, the area may be lubricated with sterile mineral oil or chlorhexidine gluconate (surgeon's preference). While the surgical technologist provides traction on the skin to be harvested, the surgeon activates the dermatome and guides it along the skin surface area. Using two smooth Adson forceps, a second surgeon or surgical technologist will grab the edges of the harvested skin as it comes through the dermatome and keep slight tension on the skin to keep it from curling up. Once the graft is taken the surgeon will use a #15 knife blade to sever the skin from the patient.
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Procedural Steps (cont.)
Depending on the size of the recipient site, this may be performed multiple times in order to acquire the amount of tissue needed. It may be necessary for the surgical technologist to change the dermatome blade if it becomes dull. The harvested skin should be place in body – temperature Saline while awaiting meshing or application to the recipient site Following removal of the graft, topical epinephrine, thrombin, or phenylephrine is often applied to the donor site to aid in hemostasis. Once hemostasis is established, the donor site dressing is placed If meshing of the graft is performed, the skin is placed on the derma-carrier and inserted into the mesh graft device. After the graft has been meshed, it is applied to the recipient site and sutured or stapled into position. If the graph is sutured in place, the sutures are left long in order to tie over a stent dressing. A dry sterile dressing is applied to aid in preventing movement of the newly applied skin graft.
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Counts, Dressings, Specimen Care
Initial Nonadherent Send to pathology to check margins Final Adaptic Xeroform 4x4s Opsite tegaderm
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Prognosis, Complications, & Class
No complications: Expected to have full function at both operative sites Postoperative Surgical Site Infection Donor Site Class I: Clean Formation of Scar Tissue at both locations is expected Recipient Site Outcome depends on the procedure that was performed and the patient may require physical therapy to help regain maximum function Class II: Clean-Contaminated Contractures Hemorrhage Death Burn victims with a large area of skin grafting will have a long recovery period, possibly with subsequent surgical procedures If the skin was meshed, this will leave the skin with a waffle-like appearance
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Works Cited Frey, Kevin B., and Tracey Ross. Surgical Technology for the Surgical Technologist: A Positive Care Approach. 4th ed. Clifton Park, NY: Delmar Cengage Learning, Print. Goldman, Maxine A. Pocket Guide to the Operating Room. 3rd ed. Philadelphia: F.A. Davis, Print.
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