3.5. Classification of Wounds: Classification of Wounds by Degree of Contamination

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Wound grading is a crucial part of proper treatment and management. Through classification, healthcare professionals can determine the best course of action for treatment. In this chapter, we will discuss the classification of wounds by degree of contamination.

Wounds can be classified based on several criteria, such as location, etiology, type of tissue involved, among others. However, one of the most useful criteria for clinical practice is the degree of contamination. This criterion is based on the amount and type of microorganisms present in the wound.

1. Clean Wounds

Clean wounds are those that are not infected at the time of assessment. They have no contact with the gastrointestinal tract, respiratory tract, or genitourinary tract. Clean wounds are usually the result of elective, non-traumatic surgical procedures. The risk of infection in clean wounds is generally low, but the presence of individual risk factors such as diabetes or immunosuppression may increase the risk of infection.

2. Potentially Contaminated Wounds

Potentially contaminated wounds are those that have an increased risk of infection due to the presence of microorganisms that do not cause infection at the time of evaluation. This type of wound includes recent traumatic wounds, wounds involving the gastrointestinal, respiratory or genitourinary tracts, and wounds where asepsis was not maintained during the surgical procedure. Management of these wounds involves proper cleaning and administration of prophylactic antibiotics when appropriate.

3. Contaminated Wounds

Contaminated wounds are those that are visibly dirty or infected at the time of assessment. They may have been contaminated by dirt or debris, or they may have a clinical infection present. Contaminated wounds require intensive cleaning, debridement if necessary, and administration of antibiotics. In some cases, it may be necessary to leave the wound open to allow the infection to drain.

4. Infected Wounds

Infected wounds are those that have clinical signs of infection, such as redness, heat, pain, swelling, or the presence of pus. They may also have a positive culture for pathogenic bacteria. Infected wounds require aggressive treatment, including debridement, antibiotics, and in some cases, surgery to remove infected tissue.

The classification of wounds by the degree of contamination is a useful tool to guide treatment and predict the risk of infection. However, it is important to remember that this is just one of the many considerations in wound management. Other factors such as the general health of the patient, the presence of chronic diseases, nutrition and immune status also play an important role in the wound healing process.

In summary, the classification of wounds by degree of contamination helps to determine the risk of infection and the need for specific interventions, such as cleaning, debridement and antibiotics. It is a useful tool to guide treatment and predict infection risk, but should be used in conjunction with a thorough patient and wound assessment.

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93.6. Classification of Wounds: Acute and Chronic Wounds