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Surgical Skills > Suture Sheet: Key Facts, PRISM > Flashcards

Suture Sheet: Key Facts, PRISM Flashcards

1
Q

how are sutures classified?

A

according to size (They can range from 0-0 (very thick) to 9-0 (extremely thin).

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2
Q

capsule closure: suture

A

2-0 or 3-0 Vicryl

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3
Q

subcutaneous closure: suture

A

3-0 or 4-0 Vicryl

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4
Q

skin: suture

A

4-0 Nylon or Prolene

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5
Q

when are sutures removed? why?

A

10-14 days;

because at this point the tensile strength of the wound equals the tensile strength of the suture.

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6
Q

suture (non-absorb/absorb) for DEEP CLOSURE

A

absorbable

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7
Q

what does it mean to be CHROMIC

A

*treated with CHROMIC SALTS –> to inc strength and decrease hydrolysis;
natural, absorbable suture material like pig collaen, sheep intestine, catgut

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8
Q

digestion: absorbable, NATURAL suture materials

A

20 days, digested by LYSOSOMAL ENZYMES

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9
Q

Vicryl tensile strength at 14 days

A

65% tensile strength

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10
Q

digestion: VICRYL

A

Hydrolyzed (to CO2 and H20) in 80-120 days

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11
Q

digestion: RAPID vicryl

A

Hydrolyzed in 42 days; loses strength in 7-10 days

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12
Q

VICRYL plus: describe unique feature

A

Coated with broad spectrum antibiotic Triclosan (also found in toothpaste)

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13
Q

digestion: DEXON

A

Hydrolyzed in 100-200 days

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14
Q

digestion: PDS

A

Hydrolyzed in 90 days

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15
Q

PDS tensile strength at 14 days

A

70% tensile strength

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16
Q

digestion: MAXON

A

Hydrolyzed in 180 days; Longest lasting absorbable (“Max”-imum)

17
Q

longest lasting absorbable material

A

MAXON (polyglyconate)

18
Q

Monocril tensile strength at 14 days

A

20-30% tensile strength

19
Q

digestion: MONOCRIL

A

Hydrolyzed in 90-120 days

20
Q

suture type for superficial closure/skin sutures

A

non-absorbable

21
Q

digestion: SILK

A

actually very slowly absorbed (hydrolyzed in 1 year)

22
Q

Silk tensile strength

A

very low tensile strength

23
Q

weakest suture material

A

COTTON / LINEN

24
Q

highest knot slippage rate

A

NYLON; (Ethilon, Surgilon)

monofilaments are at a higher risk of knot slippage

25
Q

suture used in contaminated/infected wound

A

Polypropylene (Prolene, Surgilene;

Nonabsorbable, synthetic, monofilaments best in this situation)

26
Q

least reactive suture

A

POLYPROPYLENE

27
Q

strong suture used for tendon repair

A

Polyester (Ethibond, Dacron)

28
Q

what can be used to coat polyester?

A

silicone

29
Q

strongest suture with longest absorption rate

A

Stainless Steel

30
Q

braided stainless steel is called

A

Flexon

31
Q

suture used for bone fixation and tendon repair

A

Stainless Steel, but may corrode bone at stress points

32
Q

which heel sx recon fixation used FiberWire?

A

Achilles SutureBridge for closure after removing retrocalcaneal exostosis and calcification w/in tendon achilles

Surgical Skills (5 decks)

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