Certified Wound Care Nurse (CWCN) Practice Exam

Which intravenous fluid type might be beneficial when managing fistulas?

1. Normal saline

2. 5% dextrose in water

3. Lactated Ringer’s solution

4. Omegaven

The correct answer is: Omegaven

When managing fistulas, using Omegaven can provide significant benefits due to its unique composition. Omegaven is a specialized intravenous fat emulsion made from fish oil, which is high in omega-3 fatty acids. These fatty acids are known to have anti-inflammatory properties and can help improve wound healing. Fistulas, being abnormal connections between two epithelial surfaces, can lead to complications like inflammation and tissue damage. The omega-3 fatty acids in Omegaven can promote a more favorable healing environment by modulating inflammatory responses, enhancing immune function, and potentially improving the overall nutritional status of the patient. Furthermore, traditional fluid types such as normal saline, 5% dextrose in water, and Lactated Ringer’s solution, while important in hydration and electrolyte balance, do not provide the specific benefits associated with essential fatty acids that are crucial for managing conditions involving significant tissue repair and inflammation, such as fistulas. Omegaven’s formulation directly supports healing processes, making it the most beneficial choice among the available options in this context.