Certified Wound Ostomy Nurse (CWON) Practice Test

How often should total contact casts be changed?

1. Every day

2. Every 1-2 weeks

3. Every few hours

4. Every 3-7 days

The correct answer is: Every 3-7 days

Total contact casts are typically used in the management of diabetic foot ulcers and other lower extremity conditions to redistribute pressure and immobilize the area. The cast needs to be changed regularly to prevent complications such as skin breakdown, infection, and to allow for clinical assessments of the underlying condition. Changing the cast every 3 to 7 days strikes a balance between providing sufficient time for healing while allowing for regular monitoring of the skin integrity under the cast. This timeframe ensures that any complications can be addressed promptly while still providing the necessary stability for the affected area. Regular changes also allow healthcare providers to assess the progress of the wound healing, make necessary adjustments, and evaluate any changes that may require a shift in treatment strategy. In contrast, changing the cast daily or every few hours would not be practical, as it could impede the healing process and increase the risk of skin irritation or damage. Changing the cast every 1-2 weeks may not provide adequate monitoring, potentially allowing unnoticed complications to develop. Therefore, the recommended interval of every 3 to 7 days is essential for effective management and optimal patient outcomes.