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Flashcards in Sutures Deck (31)
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1
Q

what are the advantages of braided sutures

A

increased tensile strength,
improved handling and knot tying properties
decreased fraying at cut ends

2
Q

T/F Braided sutures have increased propensity to retain microorganisms

A

T

3
Q

older sutures included suture coatings with antibacterial and antitumor qualities

A

F, these are new innovations

4
Q

braided sutures are less likely to harbour bacteria

A

F, more likely

5
Q

tensile strength is unchanged by wetness or age of sutures

A

F, decreased by physical factors including wetness or increased age of sutures

6
Q

Chromic gut treated with chromate salts increase the rate of absorption in tissue

A

false DECREASE

7
Q

sutures made of natural materials (gut and silk) are degraded by proteolysis

A

T

8
Q

sutures made of synthetic sutures are degraded by hydrolysis

A

T

9
Q

plain surgical gut loses most of its tensile strength in 2-3 days

A

false 7-10 days

10
Q

staples p.200 –> 80% faster than suture placement

A

T

11
Q

staples offer excellent wound eversion

A

T

12
Q

staples have. DECREASED risk of tissue strangulation, reactivity and infection than sutures

A

T

13
Q

staples are used more commonly on the limbs

A

false, trunk

14
Q

staples have greater risk of partial flap necrosis

A

T

15
Q

tissue adhesives are composed of cyanoacrylate compounds

A

T

16
Q

Dermabond is cosmetically inferior to the epidermal sutures in the linear repair of wounds on the face

A

F , equivalent

17
Q

horizontal half buried mattress stitch uses non absorbable stitch (2015)

A

T

18
Q

Sutures more likely to extrude or “spit” from surface if placed too high in the dermis

A

T

19
Q

Buried vertical mattress allows prolonged wound eversion

A

T

20
Q

running subcuticular sutures are placed in succession on alternating wound edges

A

T

21
Q

purse string reduces size of defect by 20-30%

A

F 53-70%

22
Q

purse string have good result for small circular wounds on the face and the neck (2019)

A

T

23
Q

Pulley sutures allow closures of wound under tension

A

T

24
Q

Pulley sutures cannot close wounds on scalp

A

F, they can

25
Q

Pulley sutures cannot close large wounds on the trunk

A

F, they do

26
Q

How are track marks formed?

A

occur when the epidermis is punctured and keratinocytes form a complete track around the suture material

27
Q

if necessary, wound adhesive strips can be used AFTER suture removal to reinforce the wound

A

T

28
Q

eyelid sutures should be removed after 2 days

A

T (2-4 days, Table 13.6)

29
Q

Face sutures can be removed after 8 days

A

F , 4-6 days

30
Q

Sutures on extremities should stay in for 10-14 days

A

T

31
Q

Sutures on trunk stay in for 2 week

A

F, 7-12 days