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Surgery - Clinics > Suturing > Flashcards

Suturing Flashcards

1
Q 
Catgut Suture
Absorbable? (Y/N)
Mono/multifilament?
Time to complete absorption?
Time til 50% tensile strength?
A

Absorbable
Multi
60 days
7 days

Natural

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2
Q 
Polyglytone (caprosyn)
Absorbable? (Y/N)
Mono/multifilament?
Time to complete absorption?
Time til 50% tensile strength?
A

Absorbable
Mono
56 days
5 days

Synthetic

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3
Q 
Poliglecaprone 25 (monocryl)
Absorbable? (Y/N)
Mono/multifilament?
Time to complete absorption?
Time til 50% tensile strength?
A

Absorbable
Mono
90-120 days
7 days

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4
Q 
Glycomer 631 (biosyn)
Absorbable? (Y/N)
Mono/multifilament?
Time to complete absorption?
Time til 50% tensile strength?
A

absorbable
Mono
90-110 days
14-21 days

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5
Q 
Polyglyconate (maxon)
Absorbable? (Y/N)
Mono/multifilament?
Time to complete absorption?
Time til 50% tensile strength?
A

Absorbable
Mono
180 days
21 days

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6
Q 
Polydioxanone (PDS)
Absorbable? (Y/N)
Mono/multifilament?
Time to complete absorption?
Time til 50% tensile strength?
A

Absorbable
Mono
180 days
60 days

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7
Q 
Vicryl rapide
Absorbable? (Y/N)
Mono/multifilament?
Time to complete absorption?
Time til 50% tensile strength?
A

Absorbable
Multi
42 days
5 days

Synthetic

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8
Q 
Polyglycolic acid (dexon)
Absorbable? (Y/N)
Mono/multifilament?
Time to complete absorption?
Time til 50% tensile strength?
A

Absorbable
Mono or multi
60-90 days
14-21 days

Braided or Mono

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9
Q 
Polyglactin 910 (vycryl)
Absorbable? (Y/N)
Mono/multifilament?
Time to complete absorption?
Time til 50% tensile strength?
A

Absorbable
Multi
56-70 days
21 days

Braided

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10
Q 
Lactomer (polysorb)
Absorbable? (Y/N)
Mono/multifilament?
Time to complete absorption?
Time til 50% tensile strength?
A

Absorbable
Multi
60 days
14-21 days

Synthetic

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11
Q

When should absorbable suture be used?

A

on rapidly healing tissues such as viscera

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12
Q

When should a non-absorbable or or prolonged absorbable suture be used?

A

for tissue that heals more slowly eg: fascia or tendons

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13
Q

When should rapidly absorbed monofilament (eg: monocryl) be used?

A

can be used on the urinary bladder because it heals rapidly

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14
Q

When should monofilament suture be used?

A

for potentially contaminated areas to prevent wicking of bacteria which may occur with multifilament suture

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15
Q

What suture should be used for cosmetic dermal closure?

A

the smallest inert monofilament suture material should be used (nylon, polypropylene, or intradermal monocryl)

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16
Q

Should tensile strength of the suture be greater, equal to or less than that of the tissue?

A

Equal

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17
Q

Why are smaller suture sizes preferred?

A
  • smaller, more secure knots

- less tissue reaction and scar formation

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18
Q

When is a swagged needle preferable?

A

when reduced tissue drag is desired

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19
Q

When can straight needles be used?

A

in areas that are highly accessible eg: skin sutures, purse-string suture in anus

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20
Q

When is a cutting/reverse cutting needle used?

A

skin

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21
Q

When is a taperpoint needle used?

A

intestine, subcutaneous, fascia

22
Q

When is a taper-cut needle used?

A

Tendon, bronchus

23
Q

What is the weakest part of a suture?

A

the knot

24
Q

What type of tissue apposition is obtained by the suture pattern Simple Interrupted?

A

Appositional

25
Q

What type of tissue apposition is obtained by the suture pattern Cruciate

A

Appositional

26
Q

What type of tissue apposition is obtained by the suture pattern Horizontal Mattress

A

Everting

27
Q

What type of tissue apposition is obtained by the suture pattern Vertical Matress

A

Everting

28
Q

What type of tissue apposition is obtained by the suture pattern Simple Continuous

A

Appositional

29
Q

What type of tissue apposition is obtained by the suture pattern Ford Interlocking

A

Appositional

30
Q

What type of tissue apposition is obtained by the suture pattern Lembert

A

Inverting

31
Q

What type of tissue apposition is obtained by the suture pattern Cushing

A

Inverting

32
Q

How long before a procedure should a patient be CLIPPED

A

no more than 4 hours prior

33
Q

What clipper blades should be used to clip a patient?

A

No 10 or No 40

34
Q

What suture should be used on slow healing tissues (fascia/tendons)?

A

Non-absorbable sutures or prolonged absorption absorbable suture

35
Q

What suture should be used on rapidly healing tissues (viscera)?

A

absorbable sutures

36
Q

Which sutures should be avoided in contaminated wounds?

A

multifilament suture

37
Q

What suture material should be used in potentially contaminated tissues?

A

monofilament or absorbable sutures

38
Q

What should be done suture wise if cosmetic results are important?

A
  • use smallest inert monofilament suture materials such as nylon or polypropylene
  • avoid skin sutures and close subQ
  • use topical skin adhesive
39
Q

Which suture materials have longest effective wound support?

A

Polydioxanone (PDS) 6wks

Polyglyconate (Maxon) 6wks

40
Q

Which suture materials have the shortest effective wound support?

A

Vicryl Rapide 7-10days
Polyglytone (caprosyn) 10days
Poliglecaprone 25 (monocryl) 10days

41
Q

On what structures should a taperpoint needle be used?

A

GI tract, subQ fat, muscles

42
Q

On what structures should a cutting edge needle be used?

A

skin, ligaments, tendons

43
Q

On what structures should a reverse cutting edge needle be used?

A

fascia, ligaments, skin, tendons

44
Q

On what structures should a tapercut needle be used?

A

bronchus, tendons, calcified tissue, trachea

45
Q

How many throws should be placed on a knot at the beginning of a continuous pattern?

A

5 throws cause single strand to single strand

46
Q

How many throws should be placed on a knot at the end of a continuous pattern?

A

6 throws cause single strand to loop

47
Q

How many throws should be placed on a knot for interrupted patterns?

A

4 throws

48
Q

How many throws are placed when using stainless steel suture?

A

2 throws

49
Q

What is the problem with using extra throws?

A

increase amount of foreign material in the wound

50
Q

T/F more throws = greater security

A

False

51
Q

How long should suture ends be for synthetic sutures

A

3mm

52
Q

How long should suture ends be for surgical gut?

A

6mm

Surgery - Clinics (2 decks)

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