Avoid using hydrocolloids for the following:

• Heavy exudating, tunneling, and/or undermining wounds
• Full-thickness burns
• Wounds with high exudate
• Clinically infected wounds

• Fragile peri-wound skin
• Exposed bone or tendons
• Lesions caused by herpes or fungi

Hydrogels consist of hydrophilic polymers w/high water content. Some other contain other materials like ___, depending on the manufacturer.

Silver

Hydrogels are available in three forms (Jimenez, 2021):

Primary Dressing:

* Amorphous Hydrogel & Impregnated Hydrogel Gauze.

Can be used as a primary or secondary dressing:

* Sheet Hydrogel

Hydrogels are most suitable when managing wounds that have ____ to _____ exudate.

minor ; moderate

Hydrogels are most suitable when managing wounds that have minor to moderate exudate. These may include full or partial-thickness wounds and assist with (Song et al., 2024):

• Hydrating dry or slightly moist wound beds
• Softening eschar and autolytic debridement
• Pain relief for minor burns, radiation skin damage
• Autolytic debridement
• Filling in dead space

Common hydrogels include:

AMORPHOUS

Soloste

Regenacare

SilvaSorb gel

Common hydrogels include:

IMPREGNATED GAUZE

Medline Skintegrity

Common hydrogels include:

SHEET

Mckesson Hydrogel Wound Dressing

Frequency of dressing changes will vary according to the __ and wound __.

product type ; drainage

Typically, plain hydrogels can remain in place for __.

1 to 4 days

When applying a fresh amorphous gel or impregnated gauze dressing:

1. Cleanse or irrigate the wound and pat dry.
2. Apply skin protectant to the periwound and allow to dry.
3. Cover the wound bed with gel about 5 mm thick.
   • Fill in undermining and tunnels with the gel, and cover with a secondary dressing that will help maintain moisture balance.

Hydrogels should be ____ or ____in color.

clear or translucen

___ can dehydrate easily if not covered appropriately; choose a secondary dressing that will maintain the hydrating properties of the hydrogel.

Hydrogels

If ___ is unavailable, substitute by impregnating plain non-woven gauze with amorphous hydrogel

hydrogel impregnated gauze

Do not use hydrogels for a wound that is overly exudative as it can lead to ___.

periwound maceration

True or False:

Alginates, foams, and hydrogel fiber dressings are not suitable secondary dressings, as their absorptive properties conflict with the hydrating nature of hydrogels.

True

Contraindications to using hydrogel include:

• Heavy draining wounds
• Sensitivity or allergy to any ingredients
• Deep partial-thickness burns

____ are a primary dressing for treating partial and full-thickness wounds with light to moderate exudate.

Collagens

Collagen dressings can stimulate stalled wounds into the ___ phase

proliferative

Why is Collagen a favored material for wound care?

For its biocompatibility, low antigenicity, and ability to promote cellular proliferation and adhesion

Collagen dressings are typically sourced from __, __, and __.

cows, pigs, and sheep

The following are an example of ___

• Biostep®
• Endoform™ Natural
• FIBRACOL™ Plus (90% collagen and 10% calcium alginate)
• Promogran
• Promogran Prisma™ (has silver)

Common collagen dressings

Do you remember the NORMAL function of MMPs in a wound?

You have an excellent memory if you remember that the MMPs are involved in debridement and play a key role in the proliferative and maturation phases of wound healing

Use particles, powders, pads, and products formulated with calcium alginate for

Highly exudative wounds

Use sheets or collagen gels for

Low to moderate exudate

Use a collagen product with ORC or calcium alginate to promote hemostasis for

Freshly debrided wound

AVOID using collagen dressings in the following situations

• Deep partial-thickness burns
• Dry necrotic wounds
• Known sensitivity to any of the product components

By design, ___ promote moist wound healing while creating a barrier against bacteria or water entry.

transparent dressings

Common transparent dressing brands and products include:

• BIOCLUSIVE®
• Opsite®
• Tegaderm®

Do not use transparent dressings with:

• Infected wounds
• Full-thickness burns
• Deep partial-thickness burns
• Thin skin or fragile peri-wound skin

• Wounds that have moderate to heavy exudate
• A suspected infection or active herpes lesions

Wound Fillers

These dressings are primary and require a secondary dressing to hold them in place. Wounds appropriate to use them for include:

• Partial and full-thickness wounds
• Wounds with minimal to moderate exudate
• Wounds that require packing
• Depending on the dressing material, infected or noninfected wounds

In general, wound fillers are contraindicated for:

• Dry wounds
• Deep partial-thickness burns
• Wounds with tunnels or sinus tracts
• Known hypersensitivity to product components

Which dressing is best choice to promote hemostasis?

Callcium Alginate

* When applied with gentle pressure, calcium ions in alginate dressings promote hemostasis in mildly bleeding wounds. There are no hemostatic properties in hydrogel dressings.

Your patient with diabetes has a stable dry eschar to their left heel, what is the best dressing choice?

Dry gauze

A stable eschar on the heel of a diabetic should not be disturbed. Offloading, applying a dry gauze dressing, and monitoring it daily for drainage is the best course of treatment.

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