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Post-operative Wound Dehiscence

Background Knowledge 🧠

Definition

Partial or complete separation of the layers of a surgical wound.

Aetiology/Risk Factors

  • Increased intra-abdominal pressure (e.g., coughing, vomiting).

  • Mechanical stress on the wound.

  • Surgical factors (e.g., tension on the wound, inappropriate suture material or technique).

  • Infection at the wound site.

  • Malnutrition.

  • Steroid use.

  • Radiation therapy.

  • Underlying diseases (e.g., diabetes, vascular disorders).

  • Smoking.

Clinical Features 🌡️

Clinical Presentation

  • Discharge of serosanguinous fluid from the wound.

  • Visible separation of wound edges.

  • Underlying tissues/organs may become exposed.

  • Pain or discomfort around the wound site.

  • Signs of infection (redness, warmth, swelling, purulent discharge).

Management 🥼

Management

  • Protect the wound to prevent further separation and contamination.

  • If minor, secondary healing may be sufficient with dressings and wound care.

  • Significant dehiscence may require surgical intervention (e.g., wound closure, debridement).

  • Systemic antibiotics if there’s evidence of infection.

  • Nutritional support to promote wound healing.

  • Manage underlying conditions that may impede healing (e.g., hyperglycaemia in diabetics).

Prevention

  • Meticulous surgical technique.

  • Use appropriate sutures and closure techniques.

  • Address and manage risk factors pre-operatively (e.g., improving nutritional status, optimizing blood glucose levels).

  • Post-operative wound care and education (e.g., advising patients to avoid activities that increase intra-abdominal pressure).

  • Early mobilisation post-surgery can help reduce the risk.

  • Proper post-operative pain management (to minimise coughing due to pain).

Complications

  • Infection.

  • Evisceration (protrusion of internal organs, typically intestines, through the wound).

  • Formation of wound abscess or fistula.

  • Prolonged wound healing.

  • Scarring.

  • Increased hospital stay and associated costs.

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