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Wound debridement. Available methods for debridement. Surgical Sharp Larval Enzymatic Autolytic Mechanical Chemical. Key Points
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Wound debridement Available methods for debridement Surgical Sharp Larval Enzymatic Autolytic Mechanical Chemical
Key Points 1.The aim of wound bed preparation is to create an optimal wound-healingenvironment by producing a well vascularised, stable wound bed with minimal exudate. 2.Bacterial load has a direct impact on wound healing. The management of the bacterial load by either local or systemic therapy is important in wound management. 3.Necrosis is related to bacterial load and can be managed by debridement. A number of alternative methods of debridement are available. 4.Debridement is often a gradual process; the choice of methods will depend on the wound status, the time frame for debridement and the available skills and resources. 5.Chronic wound exudate can slow or prevent wound healing and can reflect changes in bacterial load. The management of exudate ranges from absorptive products through negative pressure devices to compression. 6.In chronic wounds cellular dysfunction and senescence delay healing. These dysfunctions often extend beyond the wound bed and may reflect the underlying disease process. 7.The complex nature of these biochemical abnormalities indicates the need for greater understanding of the mechanism underlying non-healing in chronic wounds.
The consequences of not debriding a wound have been defined by Baharestani and include: 1.Increased risk of infection 2.Imposition of additional metabolic load 3.Psychological stress 4.Ongoing inflammation 5.Compromised restoration of skin function 6.Abscess formation 7.Odour 8.Inability to fully assess the wound depth 9.Nutritional loss through exudate 10.Sub-optimal clinical and cosmetic outcome 11.Delayed healing
Recommendations for effective sharp debridement 1.A good knowledge of the relevant anatomy 2.Ability to identify viable tissue 3.Access to adequate equipment, lighting and assistance 4.Ability to explain the procedure and obtain informed consent 5.Manage pain and discomfort both before, during and after the procedure 6.Be able to deal with complications such as bleeding 7.Recognise your skill limitations and those of the technique 8.Plan secondary debridement technique, if necessary, after the sharp debridement
The choice of an appropriate debridement method will • depend on: • I.The wound characteristics • infection • pain • exudate • involved tissues • required rate of debridement • II.The patient's attitude • III.Available skills • IV.Available resources • products • costs
The TIME principle provides a systematic approach to the management of wounds, by focussing on each stage of wound healing and therefore by removing these barriers allows the wounds to heal. TIME is based on intervention in four clinical areas and leads to an optimal well vascularised wound bed. T -Tissue non viable or deficient Does the wound contain non viable tissue sometimes referred to as necrotic? I - Infection or InflammationDoes the wound indicate signs of increasing bacterial contamination or inflammation? M -Moisture Imbalance Does the wound indicate the production of excess exudate or is the wound too dry? E - Edge of wound non advancing or underminedAre the edges of the wound undermined and is the epidermis failing to migrate across the granulation tissue?
