A 12-year-old child with aplastic anemia is admitted to the … | 마이메르시 MyMerci
Child Health
문제

A 12-year-old child with aplastic anemia is admitted to the pediatric unit. Which nursing intervention should be the highest priority?

The nurse is caring for a pediatric patient with aplastic anemia who presents with severe pancytopenia.
해설
Children with aplastic anemia have severely compromised bone marrow function resulting in pancytopenia (decreased RBCs, WBCs, and platelets). The most life-threatening complication is infection due to neutropenia. Implementing strict protective isolation precautions is the highest priority to prevent exposure to pathogens that could cause fatal infections.

심화 해설

Core Nursing Explanation Key Concept Analysis: This question assesses the priority nursing intervention for a patient with aplastic anemia. The core pathophysiology is bone marrow failure leading to pancytopenia (deficiency of all three blood cell lines: red blood cells (RBCs), white blood cells (WBCs), and platelets). The immediate threat to life stems from severe neutropenia (profoundly low neutrophil count), which destroys the body's primary defense against bacterial and fungal infections.

Answer Rationale: Key Point! In pancytopenia, the ABCs (Airway, Breathing, Circulation) framework is applied to prioritize threats. While anemia affects circulation (oxygen delivery) and thrombocytopenia affects circulation (risk of bleeding), infection from neutropenia is the most immediate and lethal threat. A severe infection can rapidly lead to sepsis and death before other complications manifest. Therefore, Implementing strict protective isolation precautions (also called neutropenic precautions or reverse isolation) is the highest priority to minimize the patient's exposure to pathogens.

Distractor Analysis:
Watch out for confusion! Option ①, encouraging increased physical activity, is contraindicated. Due to severe anemia (fatigue, dyspnea) and thrombocytopenia (risk of hemorrhage from injury), the patient requires activity restriction and safety measures to prevent falls and bleeding.
Option ③, administering iron supplements, is incorrect. Aplastic anemia is a hypoproliferative disorder; the bone marrow cannot produce cells despite having adequate raw materials (like iron). Iron supplements are used for iron-deficiency anemia, where iron stores are low. Giving iron here would be ineffective and could lead to iron overload.
Option ④, providing a high-protein diet, is a supportive measure for overall health and potential marrow recovery but is not the priority intervention for the immediate life-threatening risk of infection.

Related Concepts: Nursing care for pancytopenia follows the "Three Deficiencies": manage infection risk (WBC deficit), prevent bleeding (platelet deficit), and manage fatigue/oxygenation (RBC deficit). Always prioritize based on which deficiency poses the most imminent danger. Concept Summary
ConceptKey Points
Aplastic AnemiaBone marrow failure causing pancytopenia. Etiology: idiopathic, chemical, viral, autoimmune.
PancytopeniaLow RBCs (anemia), low WBCs (neutropenia), low platelets (thrombocytopenia).
Protective Isolation (Neutropenic Precautions)Private room, strict hand hygiene, no fresh flowers/plants, limited visitors, no sick visitors, possible use of masks/PPE by staff/visitors.
Priority Setting (ABCs)Infection (from neutropenia) > Bleeding (from thrombocytopenia) > Fatigue (from anemia).
Side-by-Side Comparison!
Type of AnemiaPathophysiologyKey Nursing Priority
Aplastic AnemiaBone marrow failure. Lack of production of all cells.Infection prevention (protective isolation).
Iron-Deficiency AnemiaInadequate iron for hemoglobin synthesis.Administer iron supplements, educate on diet/side effects.
Sickle Cell AnemiaGenetic defect causing sickle-shaped RBCs that block vessels.Pain management, hydration, oxygen therapy to prevent crisis.
Anatomy, Physiology & Pharmacology Points Bone Marrow: The factory for blood cells (hematopoiesis). In aplastic anemia, this factory is shut down.
Neutrophils: The first line of defense against bacterial infection. A count below 500 cells/µL (severe neutropenia) indicates high infection risk.
Treatment: May include immunosuppressants (e.g., antithymocyte globulin), growth factors (e.g., filgrastim), and bone marrow transplant. Iron supplements are not treatment for aplastic anemia. Memory Tips Pancytopenia Priorities - "I Before B Before A": Infection (WBCs) is the #1 killer. Bleeding (Platelets) is next. Anemia (RBCs) is managed last in terms of acute threat.
Aplastic = A (Absent) Plastic (Production): Think of the bone marrow as "plastic" (fake/not working) – it's not producing cells. High-Frequency NCLEX Topics NCLEX loves to test priority-setting for immunocompromised patients. Aplastic anemia, chemotherapy patients, and post-transplant patients all require protective isolation as a top priority. Be ready to choose infection control over other correct but less critical interventions. Watch Out for Question Variations! * Instead of "highest priority," the question may ask for the "most important assessment" – answer: monitoring for signs of infection (fever). * The scenario might add symptoms: "Child with aplastic anemia has a temperature of 38.5°C (101.3°F)." Priority shifts to obtaining blood cultures and administering antibiotics STAT (fever in neutropenia is a medical emergency). * It could ask about teaching for home care: Priority teaching is infection prevention measures (hand hygiene, avoiding crowds, reporting fever immediately).

임상 시나리오

Nursing Clinical Practice Guide Clinical Scenario: You are the nurse admitting Liam, a 12-year-old, newly diagnosed with severe aplastic anemia. His lab results show: Hgb 7.2 g/dL, WBC 1.1 x10³/µL (with ANC of 200), Platelets 15,000/µL. He is pale, tired, and has a few petechiae on his legs.

Nursing Intervention Strategy: 1. Assessment: Immediate vital signs, especially temperature. Perform a thorough skin and mucous membrane assessment for breaks in skin integrity, petechiae, or bruising. Assess pain (may indicate occult infection or bleeding). Monitor for subtle signs of infection (e.g., mild cough, slight redness at IV site). 2. Priority Action: Place Liam in a private protective isolation room. Post signs. Educate Liam, his family, and all staff on strict neutropenic precautions. 3. Ongoing Care: Meticulous oral care to prevent mucositis and portal for infection. Use a soft toothbrush or sponge to prevent gum bleeding. Implement bleeding precautions (soft diet, avoid IM injections, use electric razor). Plan activities to conserve energy.

Patient Safety and Precautions: Key Point! Do not administer any live vaccines (e.g., MMR, varicella). With no functional immune system, these can cause severe, life-threatening disease. All visitors and staff must be healthy. No raw fruits/vegetables that cannot be peeled (risk of bacterial contamination). Nursing Procedure & Medication Flow Protective Isolation Setup:
1. Private room with positive air pressure (if available) to keep pathogens out.
2. Strict hand hygiene with soap/water or alcohol-based rub before entering.
3. Staff/visitors may need to wear gown, gloves, mask as per facility protocol.
4. Dedicate equipment (e.g., stethoscope, BP cuff) to the room.
Medication Alert: If growth factors (filgrastim) are ordered to stimulate WBC production, administer subcutaneously. Monitor for bone pain, a common side effect. A Word from Your Senior Nurse "Caring for a child with aplastic anemia requires a vigilant, protective mindset. You are their shield. That first spike in temperature isn't just a number—it's a five-alarm fire in a body with no firefighters (neutrophils). On the NCLEX, they're testing your clinical judgment: can you see past the anemia and fatigue to identify the invisible, silent threat of infection? In practice and on the exam, when you see 'pancytopenia' or 'neutropenia,' your brain should immediately flash: ISOLATION and INFECTION PREVENTION FIRST. This is how you save lives."

마이메르시로 국가고시 완벽 대비

기출문제와 상세 해설을 무료로. 내 약점을 분석하고 진도를 관리하며 더 똑똑하게 공부하세요.

무료로 시작하기

학습 참고용입니다. 실제 임상은 최신 지침과 소속 기관 프로토콜을 따르세요.