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Moist Wound Healing

December 12, 2014 6 Comments

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Moist wound healing is now the norm in wound care, rather than the dry gauze dressings of old. This is due to the fact that studies have shown that moisture actually speeds wound healing. The idea of moist wound healing was first defined during the 1960s. During this time, early pre-clinical and clinical research conducted by the British pioneer, George D Winter, first demonstrated the benefit of a moist environment in optimizing wound healing.

History of Moist Wound Healing Techniques

The concept of moist wound care really took off in the late ‘70s and ‘80s, and an explosion in the number of innovative dressing products, such as alginates, hydrogels, and foams, was seen throughout the 1980s and early ‘90s. For the first time, dressings were starting to be considered an important and active part of the healing process.

Our understanding has come a long way since the days of the first research of Dr Winter. We now understand why wound healing is promoted by a moist environment. This is due to several, parallel processes. Firstly, by preventing scab or crust formation over the wound bed, a moist wound environment eliminates the energy and time that would have been required for the body to breakdown these materials.

Secondly, keratinocyte-travel time and distance across the wound surface are also greatly reduced, as the cells are able to easily migrate across the moist wound bed rather than burrow underneath the wound bed to find a moist area upon which to move forward. A moist environment also traps enzymes within the wound bed, facilitating autolytic debridement. And finally, a moist wound environment preserves growth factors within the wound fluid, and increases fibroblast proliferation and collagen synthesis.

Advantages of Moist Wound Healing

Advantages of moist wound healing include the following:

  • moist wounds heal 2-3 times faster than dry wounds
  • a moist wound environment facilitates all three phases of wound healing; specifically, it decreases the intensity and length of the inflammatory phase, speeds the proliferative phase
  • a moist wound environment decreases the amount of time it takes for the body to solubilize the crust that forms over dry wounds (scabs); by eliminating these barriers keratinocyte distance and travel time across the wound is reduced
  • moist wounds facilitate autolytic debridement by trapping enzymes that are endogenously produced
  • a moist wound environment preserves growth factors and other substances that promote cell growth and proliferation within the wound fluid
  • moist wound healing increases the synthesis of collagen and the proliferation of fibroblasts
  • moist wound healing hastens angiogenesis and wound contraction
  • moist wound healing reduces wound pain in most patients
  • moist wounds often have less scarring after healing takes place

How Much Wound Moisture is Needed?

Unwound moisture balancefortunately, there is no easy way to determine exactly how much moisture is needed for wound healing. However, there are some signs you can watch for that can help you determine when a wound is too dry or too wet- the trick is getting just the right amount of moisture without overdoing it. We’ve already discussed the advantages of moist wound healing, but what happens when wounds are too moist?

Wounds that are too wet can show delayed healing. The periwound can become macerated, which can lead to further skin breakdown. Macerated wounds more readily admit irritating substances, including bacteria, thus the risk of infection increases. Skin that is macerated is more prone to friction, which means that tissue can tear more easily.

How is Wound Moisture Controlled?

You might wonder how wound moisture can be perfectly controlled to enhance, rather than delay, wound healing. These days, there are numerous dressings available that are designed to wick moisture away from the wound bed when wounds show signs of being too moist; there are also dressings that can donate moisture to an overly dry wound bed, while others maintain the status, quo, so to speak.

Besides dressing, there are other wound management strategies that help to control wound moisture. For example, controlling bacteria is also important. Infected wounds are often too moist. Wounds that require debridement are usually too dry, and removing necrotic tissue will reveal a moist wound bed that will heal much more rapidly.

As can be seen, maintaining a moist (but not too moist!) wound environment is important in wound management and healing. If you enjoyed this article and would like to learn more about wound care certification, visit Wound Educators, specializing in preparing you to become a certified wound professional. 

Source:

Meyers, B. (2008). Wound Management: Principles and Practice. 2nd edition. Pearson Prentice Hall. Upper Saddle River, New Jersey. pg. 124-125.

Liu, G. (2011). Optimizing the Wound Healing Environment. Nursing Excellence, the online newsletter for children’s nurses. http://www.childrenscentralcal.org/PressRoom/Publications/NursingExcellence9/Pages/OptimizingWoundHealingEnvironment.aspx

Categories: Wound Types

About the Author

Laurie Swezey's avatar

Laurie Swezey, founder and president of WoundEducators.com, has been a Registered Nurse for more than a quarter century, with most of those years dedicated to wound treatment. Ms. Swezey is a Certified Wound Care Nurse and a Certified Wound Specialist.

Reader Interactions

Comments

  1. Margarita Gonzalez says

    April 4, 2015 at 2:25 pm

    Hi. I like all your articles. Thank you very much. Do you have any article about responsibilities for wound care nurse? Thank you.

    Reply
    • Laurie Swezey says

      March 23, 2017 at 1:24 pm

      Here are some articles about wound care nursing
      WOUND CARE SPECIALTY FOR NURSES https://woundeducators.com/wound-care-specialty/
      WOUND CARE SPECIALIST https://woundeducators.com/wound-care-specialist/

      Reply
      • Damayanthie says

        August 5, 2017 at 12:25 pm

        From Sri Lanka
        I did my fibroid operations in 1999
        After I had a.big pain in my left leg and
        Doctors never identified
        Later after 3 months came to know I Had a Dvt
        Still having more pains with ulcer
        Let me know how to cure it

        Reply
        • Laurie Swezey says

          August 21, 2017 at 1:20 pm

          I recommend you be seen by a certified wound specialist. To find a specialist in your area visit: https://portal.abwmcertified.org/ABWMweb/Directory/ABWMcontent/Directory.aspx

          Reply
  2. Micromend Skin Closure says

    January 7, 2021 at 1:28 am

    Great article. Thanks for sharing it.

    Reply

Trackbacks

  1. Know Your Dressings: Hydrogels - DermaRite Industries, LLC. says:
    December 4, 2018 at 1:59 pm

    […] Swezey, L., (2017, March 23). Moist Wound Healing. Retrieved from https://woundeducators.com/wound-moisture-balance/ […]

    Reply

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