Wound, Ostomy and Continence Nurses Society (WOCN) Practice Exam

What is the effect of cadexomer iodine dressings on bacterial loads?

1. They promote bacterial growth

2. They control bacterial loads without damaging good cells

3. They eliminate all bacteria

4. They are ineffective against bacteria

The correct answer is: They control bacterial loads without damaging good cells

Cadexomer iodine dressings are designed to effectively manage wound care by controlling bacterial loads while preserving healthy tissue. The unique composition of these dressings allows them to absorb exudate and bacteria, thereby reducing the overall bacterial colony count in the wound bed. This characteristic is crucial because it helps prevent infection and promotes a conducive environment for healing. Additionally, cadexomer iodine releases iodine slowly, which exerts antiseptic properties. This release helps to manage biofilm formation and inhibit the growth of pathogenic microorganisms. Importantly, the formulation is designed to spare the fibroblasts and other essential cells necessary for wound healing, thereby maintaining a balance between antimicrobial action and tissue preservation. This selective action makes cadexomer iodine dressings a valuable tool in wound management, especially in cases with high bacterial loads. It is essential to differentiate between effective control of bacterial presence and complete eradication, as the latter can sometimes be detrimental to wound healing if healthy flora and tissue are adversely impacted.