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Introduction | Types | How to Use?
Alginate Dressings are used to cover or fill a variety of wound areas including those colonized heavily with pathogenic bacteria. They are composed of calcium and sodium fibers derived from seaweed. This absorbent seaweed dressing can absorb moderate to large amounts of drainage and can also control minor bleeding. Alginate wound dressings help in maintaining moist healing environment and promotes formation of granulation tissue. Their ability to mold themselves into the shape of the wound ensures proper drainage absorption. An individual dressing can absorb up to 20 times its own weight.
Alginate dressings usually work as primary dressings. As they are non-adherent, they need a secondary dressing to hold them in place. The way in which the alginate dressing interacts with the sodium and calcium ions of the wound exudate is determined by its intrinsic properties. This further determines the absorbent and adsorbent characteristics of the dressing. In the calcium alginate dressings, calcium ions of the dressing interact with sodium ions of the wound exudate. The water-insoluble calcium alginate dressing fibers are converted into water-soluble sodium alginate. As a result, a gel is formed which entraps and deactivates the bacteria that are carried by wound exudate into the dressing. The gel so formed can be lifted off while removing the dressing or rinsed away with sterile saline water.
There are different types of alginate dressings based on the shape and contents of the dressing.
Based on the Shape: Alginate wound dressings come in the form of sheets and ropes.
Based on the Contents: Based on the contents of the alginate wound dressing, there are two types of dressings, namely, CMC dressing and silver alginate dressing.
Alginate Dressings should be changed every one to three days, or as directed by a healthcare provider. However, if there is excessive drainage or exudate, the dressing may need to be changed more frequently to prevent maceration and promote healing. On the other hand, if the wound is dry or has minimal drainage, the dressing can be left in place for a longer period of time.
Health Products For You offers a wide array of superior quality wound dressings that keep wound free from infection and promote quick healing. HPFY's range of wound care supplies has been proven to be effective and efficient by our customers from all across the globe.
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Anushree Kothari, has been a Health Products For You contributor since 2016. She has a deep interest in human physiology and wellness and possess a passion and talent for guiding others through ...
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