Flashcards in Principles of Operative Surgery Deck (13)
Name 5 types of anaesthesia?
Epidural / spinal
Why is hair removed pre- operatively?
Vision, only remove if necessary as infection increases
What is used for skin preparation?
10% povidine iodine in 70% alcohol
What does choice of incision achieve?
Orientation of skin tension lines
Strength and healing potential of tissues
Anatomy of underlying structures
What are the 3 tissue layers?
Epidermis, Dermis, Hypodermis
Name 3 suture materials and give examples of each?
Absorbable : Dexon - polygycolic acid, Vicryl - polyglactin
Slowly absorbed : PDS - polydioxanone
Non absorbable : Silk, nylon, prolene - polypropylene
Name 4 common skin closure techniques?
Vertical mattress (large wound, tend to scar)
Name 3 types of reconstructive surgery for malignant disease?
When is a skin graft the best type of reconstructive surgery?
On well vascularised skin, non infected wounds, best with skin matching texture and colour
What are the 4 types of skin flap for reconstructive surgery and describe them?
Random pattern flaps - no specific blood vessel
Axial flap - skin supplied by specific blood vessel and it accompanying venae comitans
Myocutaneous flaps - skin overlying muscle, will survive if the pedicle to the muscle is not divided
Free flaps - an autotransplant. The tissue must survive on a singe pedicled blood supply with an artery and draining vein
Where is it best to get tissue from for oral and pharyngeal mucosal flaps?
Where is it best to get tissue from for total mandible and skin / mucosa reconstruction?