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Surgery > Suture Materials > Flashcards

Suture Materials Flashcards

1
Q

absorbable monofilament suture

A

Polydioxanone - PDS
Polyglyconate - Maxon
Poliglecaprone 25 - Monocryl
Glycomer 631 - Biosyn
Caprosyn

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2
Q

absorbable multifilament

A

Polyglycolic Acid - Dexon
Polyglactin 910 - Vicryl & Vicryl Rapide
Glycolide/Lactide Copolymer - Polysorb

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3
Q

non-absorbable monofilament

A

Polyamide - Nylon (Ethilon, Dermalon, Monosof)
Polypropylene (Prolene, Surgipro, Surgilene)
Polybutester (Novafil)
Steel
Gore-Tex (polytetrafluoroethylene)

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4
Q

non-absorbable multifilament

A

Silk
Polymerized caprolactam (Vetafil, Supramide (Braunamide))
Polyester (Dacron, Ticron, Mersilene, Ethibond)
Polyethylene (Fiberwire, Ultrabraid, Nespron)

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5
Q

what are the 2 natural sutures

A

surgical gut
silk

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6
Q

surgical steel
pros:
cons:
example sx:

A

pros: minimal tissue reaction, stable in contaminated/infected wounds, excellent knot security
cons: inflam reaction to knot ends
sternal closure

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7
Q

surgical gut
pros:
cons:

A

pros: broken down by phagocytosis, inexpensive
cons: marked inflam reaction, poor knot security if wet, tissue drag/poor handling, unpredictable loss of strength and rate of absorption

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8
Q

silk
pros:
cons:

A

pros: excellent handling
cons: does not maintain tensile strength after 6 mo, avoid in contaminated sites, essentially non-absorbable > 2 yr

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9
Q

what are the absorbable monofilament sutures pros and cons

A

pros:
-minimal tissue reaction
-consistent times for tensile strength loss/absorption
-broken down by hydrolysis
-good knot security
cons: stiff, poor handling

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10
Q

Maxon (polyglyconate) & PDS II (polydioxanone)
significant tensile strength loss:
complete absorption:

A

sig loss of tensile strength 4-5 weeks
complete absorption 180 day (6 mo)

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11
Q

Biosyn (Glycomer 631) & Monocryl (poliglecaprone 25)
significant tensile strength loss:
complete absorption:

A

significant tensile strength loss 2-3 weeks
complete absorption 3 months

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12
Q

3 types of synthetic absorbable multifilament

A

dexon (polyglycolic acid)
vicryl (polyglactin 910)
polysorb (glycolide/lactide)

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13
Q

synthetic absorbable multifilament
pros:

A

minimal tissue reaction
consistent times for tensile strength loss
broken down by hydrolysis
good knot security
faster absorption than monofilaments
high capillarity
excellent handling

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14
Q

synthetic absorbable multifilament
cons:

A

rate of degradation increases with infection

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15
Q

Vicryl
tensile strength loss:
complete absorption:

A

50% at 21 days
complete absorption - 60 days

ANTIBACTERIAL

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16
Q

Vicryl Rapide
tensile strength loss:
complete absorption:

A

50% 5 days, 100% 10 days
complete absorption - 42 days

17
Q

Polysorb
tensile strength loss:
complete absorption:

A

20% 14 days, 70% 21 days
complete absorption - 56 days

EXCELLENT WOUND SUPPORT FOR 3 WEEKS

18
Q

Velosorb
wound support:
absorption:

A

7-10 days
40-50 days absorption

19
Q

what are the 3 Abx impregnated suture (triclosan)

A

PDS, monocryl, vicryl

20
Q

synthetic nonabsorbable monofilament
pros:
cons:

A

pros: strong, indefinite tensile strength, min tissue reaction

cons: predispose infection or fistulation, poor knot security

21
Q

what are the main synthetic nonabsorbable monofilament

A

Nylon - dermalon, ethilon, monosof
Polybutester - novafil
Polypropylene - prolene, surgilene, surgipro
steel
gore-tex

22
Q

synthetic nonabsorbable multifilament
pros:
cons:

A

pros: larger, stronger

cons: more tissue reactivity, predispose infection or fistulation

23
Q

main types of synthetic nonabsorbable multifilament

A

Silk
Polymerized caprolactam (Vetafil, Supramide (Braunamide))
Polyester (Dacron, Ticron, Mersilene, Ethibond)
Polyethylene (Fiberwire, Ultrabraid, Nespron)

24
Q

types of barbed suture
pros:

A

V-LOC, STRATOFIX, Quill
pros: knotless suture, min invasive

25
Q

smallest suture?
largest suture?

A

smallest 12-0
largest 9

26
Q

size suture for skin

A

4-0
3-0

27
Q

size suture for SQ

A

4-0
3-0

28
Q

size suture for fascia

A

4-0 to 0

29
Q

size suture for muscle

A

4-0 to 0

30
Q

size suture for viscera

A

5-0 to 3-0

31
Q

what needle is good for soft tissues

A

taper

32
Q

what needle is good for tough tissue

A

taper-cutting

Surgery (11 decks)

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