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Dressings for Use in Moisture Balance Treatment of Wounds

By Alice Merry Subscribe to RSS | December 26th 2011 | Views:

Dressings are a very important part of any treatment of any wound. It is imperative that the right dressings be chosen based on the kind of treatment that one is undergoing.

Using moisture balance for wound healing is a relatively new concept. This treatment also requires certain kinds of dressings to make it effective. These dressings include the following:

- Crystalline saline – dressings known as crystalline saline dressings are also categorized as absorptive. This is because of the moisture wicking effects that the salt crystals impregnated into the gauze have.

These crystalline saline dressings are helpful when debriding. This is due to the fact that friction between the wound bed and the crystals creates an environment which is perfect for mechanical debridement.

It is also possible that the sodium crystals in the dressing may absorb excess debris and bacteria from the wound surface. Care however, should be taken that these dressings are required to be changed every 24 to 72 hours.

- Hydropolymer foam – The new class of dressings called hydropolymers attempt to combine characteristics of foam and hydrogels. These dressings try and merge the absorbent characteristics of foams with the nonadhesive characteristics of hydrogels.

The hydropolymer dressings are made up of 4 separate layers. The layer that comes in contact with the wound is a hydropolymer. A hydroploymer is a polyurethane polymer that has strong affinity to water.

At the time when this layer absorbs absorbs wound exudates the dressing enlarges in size. Due to this increase in size of the layer it conforms to the rough and uneven surface of the wound bed.

The next layer of the dressing i.e. the second layer can be in either a nonwoven acrylate or a woven acrylate viscose/rayon material.

The nonwoven acrylate type is used for mild or moderately exuding wounds and wicks fluid vertically from the wound bed. The woven acrylate viscose/rayon material type is actually an absorbent foam which allows vertical and horizontal wicking that locks fluid in the core and lets it transpire through the upper semipermeable polyurethane backing.

This island dressing is bordered by a ring of polyurethane adhesive which is water soluble. This facilitates nontraumatic removal of the dressing from the wound it has been applied to.

It has been tested and demonstrated in venous ulcer clinical trials that these hydropolymer dressings are one of the most effective when it comes to controlling wound exudate and reducing periwound maceration. This is when compared to hydrocolloids dressings which at most times cause leakage and maceration.

Alice Merry - About Author:
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