The nurse is caring for a child with sickle cell anemia. To prevent thrombus formation in capillaries, as well as other problems from stasis and clotting of blood in the sickling process. The nurse should take which action on priority?

1. A

   Administer oxygen

2. B

   Increase fluids and hydration level

3. C

   Encourage the child to maintain bed rest

4. D

   Administer prescribed anticoagulants

Appeared in: NORCET -4 , 2023

Explanation

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• The priority intervention to prevent vaso-occlusive crisis in sickle cell anemia is ensuring adequate hydration.
• Increasing fluid intake hemodilutes the blood, which decreases its viscosity and reduces the concentration of sickled red blood cells.
• This improved hydration enhances blood flow through capillaries, preventing the cellular clumping and stasis that lead to thrombus formation and tissue ischemia.
• Maintaining adequate hydration is a key strategy in reducing the frequency and severity of sickle cell crises.

Why Other Options Were Wrong

• Option A: Oxygen therapy is not a preventative measure for stasis. It is an intervention used to treat hypoxia (low blood oxygen), which can be a trigger for sickling but does not address the primary problem of blood viscosity and cell clumping.
• Option C: While rest can decrease the body's oxygen demand, prolonged bed rest and immobility can actually increase blood stasis, especially in larger veins, potentially increasing the risk of other types of clots (like DVT). It does not prevent capillary occlusion.
• Option D: The blockages in sickle cell anemia are caused by aggregates of rigid red blood cells, not the fibrin clots that anticoagulants (like heparin or warfarin) are designed to prevent or dissolve.

Related Visual

Clinical Relevance

• Nursing practice connection: Use the key finding related to Priority nursing intervention for preventing vaso-occlusion in sickle cell anemia to guide bedside assessment, documentation, and the next nursing action.
• Nurses play a critical role in preventing sickle cell crises by educating patients and families on the importance of maintaining adequate hydration, setting specific daily fluid goals, and recognizing early signs of dehydration.
• During hospitalization, nurses must meticulously monitor fluid intake and output, assess for signs of dehydration (e.g., dry mucous membranes, poor skin turgor), and advocate for intravenous (IV) fluids if oral intake is insufficient.
• What if? If the child with sickle cell anemia also had co-existing severe renal failure, the priority would be more complex. Aggressive hydration could lead to dangerous fluid overload. The nurse would need to administer fluids very cautiously under strict provider orders, likely involving dialysis, and monitor for signs of overload like edema and shortness of breath.

How to Approach the Question

• First, identify the core clinical condition: Sickle Cell Anemia.
• Next, understand the specific pathophysiological process in the question: 'thrombus formation,' 'stasis,' and 'clotting' in this context refer to vaso-occlusion caused by sickled cells.
• Recognize the goal of the question: to 'prevent' this process. This points toward a primary management or prophylactic strategy.
• Evaluate each option based on its direct effect on the mechanism of vaso-occlusion (blood viscosity and cell clumping).
• Analyze the options: Hydration directly counteracts increased viscosity. Oxygen is for hypoxia. Bed rest can worsen stasis. Anticoagulants are for a different type of clot.
• Conclude that the most direct and highest-priority action to prevent the clumping of sickled cells is to keep the blood diluted through hydration.

Concept Tested & Keywords

• Concept Tested: Priority nursing intervention for preventing vaso-occlusion in sickle cell anemia.
• Stem keywords: sickle cell anemia, prevent thrombus formation, stasis, clotting, priority action
• Lead-in keywords: priority
• Clinical cues: Child with sickle cell anemia
• Negative lead-in flag: false

Question ID

QLtXqLCHh-sFAD4anAjNeQ

Copy ID

Reference Book

E6 Nursing Brunner Adult Health 3SA Vol 1 Part 3 p. 144-146

E6 Nursing Fundamentals Potter Perry 12e Part 6 p. 201-203

E6 Nursing Brunner Adult Health 3SA Vol 1 Part 2 p. 12-14