Plastics Flashcards
1
Q
the most ideal approach for WOund Care, SKin Grafts, and Flaps
A
simple primary closure
2
Q
- free tissues
- tissues containing their own blood supply
A
- Grafts
- Flaps
3
Q
Classification
According to biologic relationships:
- Autogenous or Autografts-
- Heterogenous-
- Homogenous/Isografts-
- Zoografts-
A
- Autogenous or Autografts- same indiviual
- Heterogenous- from a different body
- Homogenous/Isografts- from animals of the same species
- Zoografts- different species
4
Q
Classifications
- According to components
- Simple grafts-
- Compound grafts-
A
- Simple grafts- includes one component (eg. Fascial or Mucosal graft)
- Compound grafts- more than one component (eg. Osseocutaneous graft)
5
Q
Classifications
According to Anatomical division
- Thin Split Thickness Skin Graft
- Full Split Thickness Skin Graft
A
- Thin Split Thickness Skin Graft
+/ = 5mm skin graft (epidermis and superficial dermis - Full Split Thickness Skin Graft
+/>5mm skin graft (epidermis and 1/3 to ¾ of dermis)
6
Q
Uses of Graft
A
- For large skin or tissue loss after trauma or after excision of tumor
- To act as lining to prevent cosmetically unacceptable contraction
- Serve as a biological dressing
7
Q
General considerations of Graft
- Potential healing ability
- Recipient bed
A
- Potential healing ability
+ Age- younger patient has better take
+ General health- DM
+ Nutrition - Recipient bed
+ Vascularity
+ Contamination
+ Contact between bed and graft
8
Q
Process of grafts
A
- Stage of Plasmic Circulation 24-48 hrs
+ Nutrition comes from local exudation - Stage of Vascularization 18 hrs
+ Blood vessels grow out from the recipient bed - Stage of Organic Union
+ 4th-5th day- fibroblast formation
+ 10th day- permanent union
+ 14th-30th day- assumes normal appearance
+ 5th week- nerve grow into the area
9
Q
Classification
Based of the distance in relation to the defect
- Local flaps-
- Distant flaps-
A
- Local flaps- raised from adjacent tissues
- Distant flaps-moved from areas far from the recipient
10
Q
Classification
Based on Composition
- Simple-
- Compound-
A
- Simple- skin and some subcutaneous tissues
- Compound- carries another tissue such as bone or cartilage
11
Q
Uses of Flaps
A
- To reconstruct a large defect
- To carry
12
Q
- Limited to transplantation of skin
- Depends on the recipient site
- Cosmetic- may discolor
- Less adaptable to weight bearing
- Less able to survive on a bed with questionable nutrition
- Requires pressure dressing
- Cannot bridge defects
A
Grafts
13
Q
- Can carry out other tissues
- Has own blood supply
- Better color
- More adaptable to weight-bearing
- Can be used on a bed with questionable nutrition
- No pressure dressing
- Can bridge defects
A
Flaps
14
Q
- Cleft lip +/- cleft palate 2nd most frequently occurring congenital anomaly
- many associated syndromes
- Males > females 2:1
- Left > right
- 80% unilateral, 20% bilateral
- 3rd most common birth defect in the PH
- 5.6:10000 live births
A
Cleft deformity
15
Q
▪ Less common (1:2000 live births)
▪ Females more affected (4:1)
▪ 20-30% are syndromic
A
Cleft palate alone
