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Surgery > Wound Dressings/Bandages > Flashcards

Wound Dressings/Bandages Flashcards

1
Q

What are the 3 types of non adherent wound dressings?

A

Occlusive
Semi-occlusive
Biological

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2
Q

What are the characteristics of an occlusive dressing?

A

Nonporous

Low moisture and vapor transmission

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3
Q

What are the characteristics of a semi-occlusive dressing?

A

Moisture and vapor permeable

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4
Q

What are the characteristics of a biological dressing?

A

Bioactive

Contributes growth factors/cytokines

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5
Q

What type of dressing are dry-to-dry and we-to-dry?

A

Adherent

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6
Q

How often do you change an occlusive dressing?

A

Every 5-7 days

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7
Q

How often do you change a semi occlusive dressing?

A

Every 1-3 days

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8
Q

Which dressings are hydrophilic?

A 
Hypertonic saline
Calcium alginate
Polyurethane foam
Hydrogel
Hydrocolloid
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9
Q

Which dressings are non hydrophilic?

A 
Antimicrobials
Petroleum based
Teflon-rayon
Polyurethane film
Biologic
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10
Q

Dry-to-dry work best with debris and ____ exudate.

A

Serous (watery)

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11
Q

Wet-to-dry dressings work best with ___ ___ exudates.

A

Thick sticky

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12
Q

How often should an adherent dressing be changed?

A

Daily

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13
Q

When should an adherent dressing be used?

A

Early in the inflammatory / debridement phase

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14
Q

The primary contact layer is ___ to ___ layers of sterile 4x4 gauze sponges or packing soaked in dilute ____, ____, or ____.

A

4 to 6

Iodine, chlorhexidine, or saline

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15
Q

What is Kerlix AMD? What does it resist? What is in this gauze?

A

Kerlix AMD is a gauze with polyhexamethylene biguanide.

Kerlix AMD restricts bacterial colonization & bacterial penetration toward the wound site.

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16
Q

What is Kerlix AMD used for specifically?

A

Used for packing open synovial cavity or deep contaminated wounds.

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17
Q

What type of dressing is Kerlix AMD?

A

Adherent wet-to-dry

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18
Q

When would you use a non-adherent dressing?

A

When a wound is in the reparative stages of healing.

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19
Q

True or false:

Adherent and non-adherent dressings both interfere with epithelialization and can traumatize the wound surface.

A

FALSE

Non-adherent dressing do NOT interfere with epithelialization or traumatize the tissues.

20
Q

What can non-adherent dressings be used in prevention of?

A

To prevent desiccation

21
Q

What are 5 ways in which moist wound healing helps wound healing?

A
  1. Heals in 1/2 the time
  2. Wound fluid promotes healing
  3. Warmth enhances O2 and enzymes
  4. Reduces pain and itch
  5. Moisture limits infection
22
Q

What are the 6 factors of moist wound healing that decrease the risk of infection?

A
  1. Increased WBC in wound fluid
  2. Improved phagocytosis
  3. No scab (which traps WBCs)
  4. Lower pH
  5. Higher levels of antibodies
  6. Barrier to exogenous bacteria
23
Q

What are the advantages of moist wound healing?

A
  1. Prevent desiccation
  2. Increase epithelialization
  3. Prevent eschar
  4. Decrease inflammation, pain
  5. Enhance autolytic debridement
  6. Decrease infection
  7. Less scar
24
Q

What are the possible disadvantages to moist wound healing?

A
  1. Bacterial colonization
  2. Folliculitis
  3. Trauma
  4. Promotes exuberant granulation tissue in the horse
25
Q

Which type of dressing is petrolatum emulsion (Adaptic)?

A

Semi-occlusive non-adherent

26
Q

When should petrolatum emusion (adaptic) be used?

A

Early with mild exudate

27
Q

How does petrolatum emulsion affect epithelialization?

A

Delays epithelialization

28
Q

Which type of dressing is rayon/polyethylene fabric?

A

Semi-occlusive non-adherent

29
Q

How does rayon affect epithelialization?

A

Enhances epithelialization

30
Q

What is the product name for polyurethane film?

A

Opsite

31
Q

What is the product name for polyurethane foam?

A

Hydrosorb

32
Q

When might you use Opsite?

A

Incision protection, partial thickness injuries, or as a cover for hydrogel or hydrocolloid

33
Q

What type of exudate can be present for Opsite?

A

Minimal to none (NON-HYDROPHILIC)

34
Q

When might you use Hydrasorb?

A

When healthy granulation tissue is present

35
Q

What type of exudate can be present for Hydrasorb?

A

Mild exudate

36
Q

How does Hydrasorb affect epithelialization?

A

Promotes epithelialization

37
Q

Between Opsite and Calcium alginate, which dressing might you use for the following case: A dog with an incision with the potential of leaking an exudate.

A

Calcium alginate

38
Q

How does calcium alginate affect epithelialization & granulation?

A

Encourages both

39
Q

What is the brand name for Calcium alginate?

A

Curasorb

40
Q

For which wound types might you use Curasorb?

A

Moderate to heavy exudate, abrasions, lacerations, ulcers, etc.

41
Q

What type of dressing is hydrogel?

A

Occlusive non-adherent

42
Q

Hydrogels have a large capacity for water?

A

Water absorption

43
Q

Acemannan is a component of which type of dressing? What does this compound stimulate?

A

Acemannan is a component of hydrogel. The acemannan may stimulate macrophages, and is useful for exposed bone.

44
Q

When might you use hydrogel dressings?

A

Dry wounds, at the repair stage, with minimal exudate, minor burns, minor skin irritation, abrasions, lacerations, and eschar.

45
Q

How does hydrogel affect epithelialization, contraction, and autolysis?

A

Promotes them all

46
Q

When should hydrocolloid be used?

A

To promote granulation and epithelialization, abrasions, or burns

47
Q

Hydrophilic agents can be used for deep wounds to promote epithelialization. Exudate = _____ & Stage = _____.

A

Exudate = heavy & Stage = repair

Surgery (15 decks)

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