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Nutrition & Hydration

Definition of nutrition: Suboptimal nutrition can alter immune function, collagen synthesis, and wound tensile strength, all of which are essential in the wound healing process. It is also important to remember that not all wounds are equal: a burn is different from a diabetic foot ulcer, which is different from a pressure ulcer (Quain & Khardori, 2015).

Definition of dehydration: When your dehydrated the body is not receiving the amount of fluids it necessary for wound healing. Abnormalities that can arise from dehydration:

  • include poor oxygen perfusion as water is the primary way that oxygen and nutrients are delivered directly to the wound bed, and dehydration is one of the most common reasons why cell function becomes disrupted,
  • Essential nutrients not being delivered to the wound surface.

A dehydrated wound doesn’t maintain adequate amounts of moisture, therefore, epithelial cells fail to m across the wound bed.

Patient page:


Food first/food enrichment: recipes and snack ideas

Oral nutrition supplements: drink types and their energy/kcals

Food first:

British Nutrition Foundation

Healthy hydration

Professional page:

NICE: Nutrition support for adults: oral nutrition support, enteral tube feeding and parenteral nutrition

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