30 Questions
What is the main topic of the presentation?
Introduction to Plastic Surgery and Skin Grafting Techniques
Who is the presenter of the lecture?
Dr. Kelly John
What is the name of the institution where Dr. Kelly John is employed?
Des Moines University
What is the purpose of the CPMS Mission Statement?
To educate a diverse group of highly competent and compassionate podiatric health professionals
What is the relationship between Dr. Kelly John and Des Moines University?
Employer and employee
What is the purpose of the disclosure statement?
To disclose potential conflicts of interest
How are skin tension lines used in planning skin incisions?
They are used to determine the direction of skin incisions
How do relaxed skin tension lines (RSTL) influence scarring?
Scars along RSTLs heal faster
What did Karl Langer's 1861 cadaver study contribute to the understanding of skin tension?
Did not take body movement into account
Why is it important to make skin incisions parallel to relaxed skin tension lines (RSTLs)?
Yields better cosmesis and potentially faster healing
What is the consequence of making an incision across the skin's maximal tension?
Causes a hypertrophic scar
How do skin incisions along skin folding lines influence scarring, according to clinical and histological proof?
They result in optimal scars
Which type of skin graft contains the epidermis and the entire dermis?
Full thickness skin graft
What is the recommended bacterial count per gram of granulation tissue for skin graft preparation?
< 105 organisms
Which type of skin graft has limited use due to antibodies leading to rejection?
Xenograft
In skin grafting techniques, what should a skin graft contain for viability?
Dermis and epidermis
What is the range of dermal thickness for an intermediate split thickness skin graft?
0.012-0.016 inches
What is the term for skin graft donor grafts that come from a different species?
Xenograft
What is the standard angle for a Z-plasty?
60 degrees
Which type of flap involves revolving around a fixed pivot point to redistribute tension from defect to donor site?
Rotational Flaps
What type of movement does Advancement Flaps involve to cover a defect?
Pushing movement
Double opposing semicircular Z-plasty is also known as what planimetric technique?
Planimetric zplasty
What is the primary movement allowed by Transpositional Flaps for closing a rectangular defect?
Rotation
In what type of Z-plasty are the limbs not of equal length?
Dollarplasty Z-plasty
Where is the location of the subdermal arteriolar plexus that links the dorsalis pedis with the lateral plantar artery?
On the lateral side of the foot
Which angiosome is associated with the Medial Calcaneal angiosome in the context of pedal angiosomes?
Medial plantar angiosome
What type of angiosome is the Dorsalis pedis angiosome associated with in relation to the arterial supply?
Lateral Calcaneal angiosome
What is the ideal incision point for two pedal angiosomes?
At the exact border of both angiosomes
In the context of skin grafting techniques, what is the instrumentation mainly used for?
For making skin incisions
Which artery supplies the Anterior perforating angiosome in relation to the pedal angiosomes?
Peroneal artery
Learn about plastic surgery and skin grafting techniques in this educational presentation by Dr. Kelly J.John, covering important concepts in clinical podiatric biomechanics and surgery.
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