A nurse is providing teaching to a client who has a prescription for total parenteral nutrition (TPN). Which of the following information should the nurse include in the teaching?
A.
“You will be weighed twice a week while receiving TPN.”
B.
“Your blood sugar will be checked once a day.”
C.
“You will have a central line placed to receive TPN.”
D.
“Your intake and output will be measured every 2 days.”
The Correct Answer and Explanation is:
The correct answer is C: “You will have a central line placed to receive TPN.”
Explanation:
Total Parenteral Nutrition (TPN) is a method of feeding that bypasses the digestive system, providing nutrients directly into the bloodstream through an intravenous (IV) line. Here’s a detailed explanation of why option C is correct and why the other options are not:
1. Central Line Placement (Option C):
TPN is administered through a central venous catheter or central line, which is a long-term IV line inserted into a large vein, typically in the chest. This is because TPN solutions are hypertonic, meaning they have a high concentration of nutrients, which can cause irritation and damage to smaller peripheral veins if used for extended periods. A central line allows for the safe and effective delivery of TPN over an extended duration, ensuring that the nutrient-rich solution can be infused without causing significant harm to the vein.
2. Weight Monitoring (Option A):
While monitoring the patient’s weight is important for evaluating nutritional status and fluid balance, the frequency of weighing is typically more frequent than twice a week, especially in the initial phases of TPN therapy. Regular weight monitoring helps adjust TPN formula and detect any fluid retention or loss, which is crucial for managing the patient’s nutritional needs and overall health.
3. Blood Sugar Checks (Option B):
Blood sugar levels can fluctuate with TPN due to the high glucose content in the solution. Typically, blood glucose levels are monitored more frequently than once a day, particularly in the initial stages of TPN or if the patient has diabetes. Frequent monitoring helps manage and adjust insulin needs and prevent hyperglycemia or hypoglycemia.
4. Intake and Output Measurement (Option D):
Monitoring intake and output (I&O) is essential to assess fluid balance and nutritional status, but it is usually done daily rather than every two days. Regular I&O measurements help in detecting changes in fluid balance, which is critical in patients receiving TPN due to the risk of fluid overload or dehydration.
In summary, option C is correct because a central line is essential for administering TPN safely. Options A, B, and D, while relevant, do not reflect the standard practices for TPN management.