Wound Dressings Flashcards

1
Q

What is the Primary Dressing?

A

Dressing that is in direct contact with the wound

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2
Q

What is the secondary dressing?

A

Placed over the primary dressing, secures the primary dressing.

  • for absorption or occlusion
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3
Q

What are Transparent Films?

A

Clear, adhesive semipermeable membrane dressings.

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4
Q

What are Transparent Films permeable to?

A

Permeable:

  • Oxygen, moisture vapor

Impermeable:

  • Water
  • Bacteria
  • Environmental contaminants
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5
Q

Indications of Transparent Films?

A
  • Stage 1 and 2 pressure ulcers
  • Secondary dressing
  • Promoting autolytic debridement
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6
Q

Advantages of using Transparent Films?

A
  • Allows visual inspection
  • Promotes autolytic debridement
  • Minimize friction
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7
Q

Disadvantages of using Transparent Films?

A
  • Non Absorptive
  • not great for infected wounds
  • Wounds with fragile surrounding skin
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8
Q

Considerations when using Transparent Films?

A
  • Allow 1-2 inch margin around bed
  • Avoid in wounds with infection, copious drainage, or tracts
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9
Q

What are hydrocolloids?

A

Gel-forming hydrophilic polymers on a semi occlusive film.

  • absorbs exudate slowly and swell to a gel-like mass, helps maintain and ideal moist environment
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10
Q

Indications for use of Hydrocolloids?

A
  • Protection of Partial Thickness wounds
  • Autolytic Debridement
  • Mild Exudate
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11
Q

What are Hydrogels?

A

Water or glycerine based gels.

  • Available in solid sheets, gels, or impregnated gauze
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12
Q

Indications for Hydrogels?

A
  • Partial and full thickness wounds
  • Presence of necrosis and slough
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13
Q

Advantages to using Hydrogels?

A
  • rehydrates dry wound beds
  • promotes autolytic debridement
  • can be used when infection is present
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14
Q

Disadvantages to Hydrocolloids?

A

Not recommended for:

  • wounds with heavy exudate
  • Fragile surrounding skin
  • wounds with infections/tracts
  • exposed bones/tendons
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15
Q

Disadvantages to Hydrogels?

A
  • May require secondary dressing
  • not used for wounds with heavy exudate
  • may macerate surrounding skin
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16
Q

Considerations when using Hydrogels?

A

Using a barrier wipe on surrounding intact skin to prevent maceration

17
Q

What are Foams?

A

Hydrophilic foam used to absorb drainage while maintaining an overall moist environment.

  • Hydrophobic external side, impermeable to bacteria
18
Q

Indications for using foams?

A
  • Wounds with minimal to heavy exudate
  • Secondary dressing for addition absorption
  • Protection and insulation
19
Q

Disadvantages for using foams?

A
  • Nontransparent
  • Nonadherent foams require secondary dressing
  • Not for use with dry eschar or wounds with no exudate
20
Q

Considerations when using foams?

A

Skin sealant on surrounding intact skin to prevent maceration

21
Q

What are Alginates?

A

Calcium Alginates: non-woven fibers, that are absorbent and biodegradable; have addition hemostatic properties

  • form a hydrophilic gel mass over the wound area
22
Q

Indication for use of alginates?

A
  • Moderate to large amounts of exudate
  • Wounds with exudate and necrotic tissue
  • wounds that need packing
23
Q

Disadvantages for using alginates?

A
  • Require secondary dressing
  • not for dry or lightly exudating wounds
  • can lead to a dry wound bed
24
Q

What are gauze dressings?

A

Made of cotton or synthetic fibers that are absorptive and permeable to water and oxygen

25
Q

Indications for using gauze?

A
  • Exudative wounds
  • Dead space, tunneling, sinus tracts
26
Q

Advantages for using gauze?

A
  • Readily available
  • Cost effective
  • Filler for large wounds
  • Can be impregnated
  • Infected or non-infected wounds
27
Q

Disadvantages for using Gauze Dressing?

A
  • Delayed healing (if used improperly)
  • Requires Secondary Dressing
  • Avoid direct contact with dranulating tissue
28
Q

Considerations when using gauze?

A
  • need adequate moisture of wound bed
  • residual fibers left behind in wound can form granuloma.