# A 12-year-old child with aplastic anemia is admitted to the pediatric unit. Which nursing intervention is the highest priority to prevent life-threatening complications?

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> url: https://mymerci.kr/pages/nclex_q.php?qn_id=542181  
> language: ko  
> subject: Child Health

## 문제

A 12-year-old child with aplastic anemia is admitted to the pediatric unit. Which nursing intervention is the highest priority to prevent life-threatening complications?

What is the most critical safety measure for a child with aplastic anemia?

## 보기

1. Encourage increased physical activity to prevent muscle atrophy
2. Implement strict neutropenic precautions to prevent infection **✔ 정답**
3. Provide a high-protein diet to stimulate bone marrow production
4. Administer iron supplements to correct anemia

**정답: 2**

## 해설

Aplastic anemia involves bone marrow failure resulting in pancytopenia (decreased RBCs, WBCs, and platelets). The most life-threatening complication is severe infection due to neutropenia. Strict neutropenic precautions are essential to prevent exposure to pathogens.

Aplastic anemia is a serious hematologic condition caused by bone marrow failure, characterized by pancytopenia (marked decrease in red blood cells, white blood cells, and platelets). This condition poses several life-threatening risks, but the most immediate and critical concern is severe immunosuppression due to neutropenia (low neutrophil count).

When the bone marrow in aplastic anemia fails to produce adequate white blood cells, especially neutrophils, the child becomes extremely vulnerable to infections. Neutrophils are the body's primary defense against bacterial and fungal infections, and when their count drops below 500/mm³ (severe neutropenia), even normally harmless microorganisms can cause life-threatening sepsis.

Therefore, implementing strict neutropenic precautions is the highest-priority nursing intervention. These precautions include: placing the child in a private room with positive pressure ventilation if possible, requiring strict hand hygiene for all visitors and healthcare staff, wearing masks and gloves when providing care, restricting visitors with signs of illness, prohibiting fresh flowers and plants in the room, and ensuring all food is thoroughly cooked.

While other interventions may be potentially relevant to overall care, they do not address the most immediate life threat. Physical activity should actually be restricted due to thrombocytopenia (bleeding risk), dietary modifications alone cannot stimulate bone marrow recovery in aplastic anemia, and iron supplementation is not indicated because the anemia results from decreased red blood cell production rather than iron deficiency.

Since children with aplastic anemia have compromised immune systems and may not show typical inflammatory responses, early recognition of infection signs and prompt antibiotic treatment are crucial. This makes prevention through strict infection control measures absolutely essential for patient safety.

## 심화 해설

Clinical Judgment
This question evaluates Prioritization and Clinical Judgment in a patient with Aplastic Anemia. The core is identifying which of the three major complications of Pancytopenia (infection, bleeding, anemia) is the most acutely life-threatening. Aplastic anemia causes the bone marrow to fail to produce sufficient blood cells, leading to simultaneous Neutropenia, Thrombocytopenia, and Anemia. Among these, infection due to neutropenia can progress most rapidly to Sepsis and death, making it the highest priority for monitoring. Option 3, "elevated temperature with chills," is a critical clue for infection requiring immediate medical intervention.

Memory Tip:
Use **A** **B** **C** to remember the priority. The complications of aplastic anemia are **A**nemia, **B**leeding, and **C**hemotaxis issues (infection). Among these, **C** (infection) is the most **C**ritical.

KR vs US:
While fever in an aplastic anemia patient is also considered an emergency in Korea, the US NGN/NCLEX heavily emphasizes the concept that "Fever in a neutropenic patient is an ONCOLOGIC EMERGENCY." Protocols are strictly established, defining fever in a neutropenic patient as a life-threatening situation where antibiotic administration must begin within 1 hour.

## 임상 시나리오

Clinical Practice Guide
Key elements of neutropenia precautions: hand hygiene (soap and water is often recommended over alcohol gel), maintaining a private room, no fresh flowers or plants, no uncooked foods (salads, fresh fruit peels, etc.), limiting contact with sick individuals, and regular oral care.

Caution:
In SATA (Select All That Apply) questions, if asked "What interventions are needed for a patient with aplastic anemia?", bleeding precautions (using a soft toothbrush, avoiding sharp tools, etc.) may be included along with neutropenia precautions. However, if phrases like "most important," "highest priority," or "to prevent life-threatening complications" are used, you must **choose infection prevention**. Iron supplementation applies to iron deficiency anemia but is a common distractor for aplastic anemia because the cause is different.

## 핵심 개념

- **Aplastic Anemia** — Aplastic anemia. A condition in which the production of all blood cells, including red blood cells, white blood cells, and platelets, is markedly reduced due to bone marrow failure.
- **Pancytopenia** — Pancytopenia. A condition where all three major blood cell lines—red blood cells, white blood cells, and platelets—are decreased in the peripheral blood.
- **Neutropenic Precautions** — Neutropenic precautions. Infection control protocols implemented to protect patients who are extremely vulnerable to infection due to low neutrophil counts. Includes strict hand hygiene, environmental management, and contact restrictions.
- **Neutropenia** — Neutropenia. A condition where the neutrophil count (the main white blood cells that fight infection) in the blood is abnormally low. Generally defined as an absolute neutrophil count (ANC) below 1500/mm³.
- **Life-threatening Complication** — Life-threatening complications. Serious secondary health problems that can occur in certain disease states and may lead to death without immediate treatment. In the case of aplastic anemia, severe infection (sepsis) is a typical example.

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