Wound Dressings/Bandages Flashcards by Angela Bryan

What are the 3 types of non adherent wound dressings?

Occlusive
Semi-occlusive
Biological

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What are the characteristics of an occlusive dressing?

Nonporous

Low moisture and vapor transmission

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What are the characteristics of a semi-occlusive dressing?

Moisture and vapor permeable

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What are the characteristics of a biological dressing?

Bioactive

Contributes growth factors/cytokines

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

Adherent

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How often do you change an occlusive dressing?

Every 5-7 days

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How often do you change a semi occlusive dressing?

Every 1-3 days

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Which dressings are hydrophilic?

Hypertonic saline
Calcium alginate
Polyurethane foam
Hydrogel
Hydrocolloid

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Which dressings are non hydrophilic?

Antimicrobials
Petroleum based
Teflon-rayon
Polyurethane film
Biologic

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

Serous (watery)

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

Thick sticky

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How often should an adherent dressing be changed?

Daily

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When should an adherent dressing be used?

Early in the inflammatory / debridement phase

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

4 to 6

Iodine, chlorhexidine, or saline

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

Kerlix AMD is a gauze with polyhexamethylene biguanide.

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

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What is Kerlix AMD used for specifically?

Used for packing open synovial cavity or deep contaminated wounds.

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What type of dressing is Kerlix AMD?

Adherent wet-to-dry

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When would you use a non-adherent dressing?

When a wound is in the reparative stages of healing.

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True or false:

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

FALSE

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

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

To prevent desiccation

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

Heals in 1/2 the time
Wound fluid promotes healing
Warmth enhances O2 and enzymes
Reduces pain and itch
Moisture limits infection

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

Increased WBC in wound fluid
Improved phagocytosis
No scab (which traps WBCs)
Lower pH
Higher levels of antibodies
Barrier to exogenous bacteria

What are the advantages of moist wound healing?

Prevent desiccation
Increase epithelialization
Prevent eschar
Decrease inflammation, pain
Enhance autolytic debridement
Decrease infection
Less scar

What are the possible disadvantages to moist wound healing?

Bacterial colonization
Folliculitis
Trauma
Promotes exuberant granulation tissue in the horse

Which type of dressing is petrolatum emulsion (Adaptic)?

Semi-occlusive non-adherent

When should petrolatum emusion (adaptic) be used?

Early with mild exudate

How does petrolatum emulsion affect epithelialization?

Delays epithelialization

Which type of dressing is rayon/polyethylene fabric?

Semi-occlusive non-adherent

How does rayon affect epithelialization?

Enhances epithelialization

What is the product name for polyurethane film?

Opsite

What is the product name for polyurethane foam?

Hydrosorb

When might you use Opsite?

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

What type of exudate can be present for Opsite?

Minimal to none (NON-HYDROPHILIC)

When might you use Hydrasorb?

When healthy granulation tissue is present

What type of exudate can be present for Hydrasorb?

Mild exudate

How does Hydrasorb affect epithelialization?

Promotes epithelialization

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.

Calcium alginate

How does calcium alginate affect epithelialization & granulation?

Encourages both

What is the brand name for Calcium alginate?

Curasorb

For which wound types might you use Curasorb?

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

What type of dressing is hydrogel?

Occlusive non-adherent

Hydrogels have a large capacity for water?

Water absorption

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

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

When might you use hydrogel dressings?

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

How does hydrogel affect epithelialization, contraction, and autolysis?

Promotes them all

When should hydrocolloid be used?

To promote granulation and epithelialization, abrasions, or burns

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

Exudate = heavy & Stage = repair