NUTR 3150 Lecture Notes - Lecture 25: Ultimate Tensile Strength, Anabolism, Angiogenesis
24 Jul 2018
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Proliferation: angiogenesis; collagen synthesis; wound contraction, epithelialization. Maturation and remodeling: cross-linkage of collagen fibers; development of tensile strength, at risk of wou(cid:374)d ope(cid:374)i(cid:374)g agai(cid:374) (cid:271)e(cid:272)ause it"s (cid:374)ot the sa(cid:373)e after heali(cid:374)g. Energy protein water vitamin c vitamin a zinc. Energy: 30-35kcal/kg/day; ideally met with food intake. Recommend higher caloric intake studies differ on whether energy expenditure is increased or decreased. Protein: 1. 0-1. 5g/kg/day; ideally met with food intake, required for all stages of healing, cell multiplication; collagen and connective tissue synthesis, synthesis of enzymes, needs increase with heavy draining pressure ulcers. Immune function, needed for infections: ulcers with fluid mean nitrogen loss, supplementation may be required. Fluids: 30-35ml/kg/day, solvent for vitamins/minerals, transport medium, assist with 02 delivery to tissues, needs increase with: Increased temperature; vomiting; diarrhea; heavy draining wounds: monitor for signs and symptoms of dehydration such as weight change, labs and skin turgors.
