NURS 225 Lecture Notes - Lecture 1: Wound Healing, Chronic Wound, Diabetic Foot
13 Jan 2020
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Document Summary
Wound: disruption of the integory and function of the tissues in the body. Primary intention how most acute wounds heals straight wound edges are approximated uncomplicated healing. Secondary intention edges are not well approximated wound has to be left open in order to heal from the bottom up requires complex dressings. Tertiary intention wound healing by secondary intention purposefully. Medical intervention requires complex dressings wound is left open for a period and then closed. Stages of wound healing: haemostasis aim is to stop blood loss and form structure for healing process vascular constriction platelet aggregation formation of thrombus - fibrin clot. Nicotine: reduces the amount of blood towards the wound, delaying healing, while also reducing oxygen. Obesity: adipose tissue lacks sufficient blood and nutrient supply to wound tissue. Diabetes: high blood glucose levels promotes bacterial growth. Wound location: high stress areas such as the knee, foot, stomach etc.
