Basic Plastic Surgery

Question 1

causes of impaired would healing?

Answer 1

arterial insufficiency
venous insufficiency
pressure
infection
diabetes
nutritional
radiation
drugs: steroids
smoking

Question 2

what is the critical point for number of bacteria in wounds?

Question 3

when do you do delayed closure/ secondary intention healing?

Answer 3

human bite wounds

Question 4

pressure sores superficial or deep?

Answer 4

can be very deeps

Question 5

what is pressure sore?

Answer 5

impaired blood supply of patient’s own body weight occluding vessels

Question 6

best environment for wound healing?

Answer 6

clean
warm
moist

Question 7

types of wound dressings

Answer 7

dry
alginates
hydrogels
silver
vaccum dressing

Question 8

what are alginates? what do they do?

Answer 8

seaweed derivative and absorbs wound exudates

Question 9

what do hydrogels do?

Answer 9

maintains moist wound

Question 10

negative pressure wound therapy useful how?

Answer 10

angiogenesis

removes fluid from wound

Question 11

what is a hypertrophic scar?

Answer 11

exaggerated normal response

STAYS within margins of original wound

Question 12

what is a keloid scar?

Answer 12

extends beyong original wound

Question 13

who gets more keloid scars? what body parts?

Answer 13

african
asians
any part of body

Question 14

silicone and steroids use in what kinds of scars?

Answer 14

hypertrophic

Question 15

where do you get hypertrophic scars more commonly?

Answer 15

central chest, back of shoulders, ears

Question 16

what is a graft?

Answer 16

tissue transferred what relies on recipient site for nutrition

Question 17

what is a flap?

Answer 17

tissue transferred that retains its own blood supply

Question 18

advantage of full thickness skin graft?

Answer 18

less contractions

better aesthetics

Question 19

split skin grafts need moisturizers, why?

Answer 19

no sweat glands

Question 20

3 kinds of flaps

Answer 20

local
regional
free flaps

Question 21

why use flap instead of graft?

Answer 21

not enough vascularisation

better appearance

Question 22

flaps only skin?

Answer 22

nope. can be muscle, bone, skin

Question 23

Goals of wound management

Answer 23

early healing
avoid infection
minimize scarring