Moist-to-dry dressings consist of gauze moistened with an appropriate solution. What should the nurse do when caring for a patient who has a pressure wound that requires debridement?
a. Saturate the primary dressing with saline or lactated Ringer's solution.
b. Moisten the primary dressing with saline or lactated Ringer's solution.
c. Moisten the primary dressing with acetic acid.
d. Moisten the primary dressing with povidone-iodine.
B
Moist-to-dry dressings consist of gauze moistened with an appropriate solution. Commonly used wetting agents include normal saline and lactated Ringer's solution, which are isotonic solutions that aid in mechanical debridement. A dressing that is too wet causes tissue maceration and bacterial growth. It also does not dry out and therefore does not remove necrotic tissue when it is being removed from the wound. Acetic acid is effective against Pseudomonas aeruginosa but is toxic to fibroblasts in standard dilutions. Povidone-iodine is a rapid-acting antimicrobial agent for cleansing intact skin and is never used on a healthy granulating wound bed.
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