Wound infection


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Wound infection

  1. 1. Rosemarie Chung<br />B. Sc. Hons. Nursing Practice Development. <br />Wound Infection<br />
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  3. 3. Anatomy of the skin<br />
  4. 4. 1. Acute wounds <br />Surgical wound<br />Penetrating wound (e.g. knife or bullet wound)<br />Avulsion Injury (e.g. finger tip amputation)<br />Crushing or shearing Injury<br />Burn Injury<br />Laceration<br />Bite wound (e.g. Animal and human bites)<br />Types of Wounds<br />
  5. 5. Types of Wound Injuries<br />
  6. 6. 2. Chronic wounds <br />Arterial ulcer (Peripheral Vascular Disease)<br />Venous Ulcer (Venous Insufficiency)<br />Lymphedema<br />Pressure Ulcer (Decubitus Ulcer)<br />Neuropathic ulcer (Diabetes Mellitus) <br />Types of Wounds<br />
  7. 7. Process of Wound Healing<br />
  8. 8. Primary intention healing<br />The edges of the wound are closed (in apposition) and secured with sutures, clips or skin closure strips usually within 24 to 48 hours. Simultaneously in 8 to 10 days, healing takes place throughout the depth, and little new tissue is formed. For the first 2 days, there could be a little leakage of bloody exudate or of odour from the wound. A warning sign of a potential complication is beyond the normal signsthat is a prime consideration in management of risks associated with the open phase of healing .<br />Modes of Healing<br />
  9. 9. Secondary intention healing<br />The wound has to be left open to allow healing by contraction and replacement of missing tissue with granulation and epithelial tissue.  This is a common method of healing in surgical excisions or traumatic wounds with tissue loss.  However, the duration of healing depends on the amount of tissue that must be replaced which the resulting scar can be quite extensive.<br />Modes of Healing<br />
  10. 10. Tertiary intention healing/ delayed closure the wound<br /> Such wound is kept open to allow for drainage of exudate, control of contamination or for further surgical procedures to be completed.  Usually within 7 days as bacterial contamination rises markedly from the 8th day onwards, the wound is surgically closed again.  Wound that has to be kept open for longer periods of time with significant bacterial contamination has to be reduced before surgically closed.<br />Modes of Healing<br />
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  12. 12. Normal Healing Process of Surgical Wound<br />
  13. 13. Redness<br />Pain<br />Heat<br />Swelling of wound and periwound area<br />Signs of Wound Infection<br />
  14. 14. Wound Breakdown<br />
  15. 15. Management of Wound Sepsis<br />
  16. 16. http://www.youtube.com/watch?v=D6KtFyFTtgI<br />Method of wound swab for C+S<br />
  17. 17. Maintain sterility during dressing<br />Use sterile water only if the wound is infected with MRSA<br />Ensure proper taking of wound swab for c+s<br />Always practice 5 moment hand hygiene and standard precaution. <br />Refer to website Family Practice notebook.com: Wound Dressing for different types of wounds<br />Observe and document characteristic of wound / progress of wound healing. <br />Wound Dressing Management<br />
  18. 18. Wound. Available at: http://www.fpnotebook.com/Surgery/DER/Wnd.htm<br />Management of surgical wounds. Available at: http://docs.google.com/<br />Additional reference<br />Preventions of hospital acquired infections. Available at: http://apps.who.int/medicinedocs/documents/s16355e/s16355e.pdf<br />Wound Dressing. Available: http://www.fpnotebook.com/Surgery/Pharm/WndDrsng.htm<br />Reference<br />