A 9-year-old child with aplastic anemia is admitted to the pediatric unit. Which nursing intervention should be the highest priority?
1Implement strict neutropenic precautions and monitor for signs of infection✓ 정답
2Encourage increased fluid intake to prevent dehydration
3Provide high-protein diet to support growth and development
4Schedule frequent rest periods between activities
해설
Severe neutropenia in aplastic anemia poses the highest risk for life-threatening infections, making strict neutropenic precautions the priority intervention. Other interventions are supportive but address less immediate threats.
Core Nursing ExplanationKey Concept Analysis: This question assesses the priority nursing intervention for a child 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 most immediate, life-threatening complication arises from neutropenia (severely low neutrophil count), which destroys the body's primary defense against infection.
Answer Rationale: Key Point! In aplastic anemia, the absolute neutrophil count (ANC) is critically low. An ANC below 500 cells/µL indicates severe neutropenia and a high risk for fatal sepsis. Therefore, the highest priority is always protecting the patient from infection. Strict neutropenic precautions (also called protective isolation or reverse isolation) are non-negotiable. This includes meticulous hand hygiene, restricting visitors with illnesses, avoiding fresh flowers/plants, and ensuring the child is not exposed to individuals with infections. Monitoring for subtle signs of infection (e.g., a slight fever) is critical because the typical inflammatory response (pus, redness, swelling) may be absent due to the lack of WBCs.
Distractor Analysis:
Watch out for confusion! While all options are relevant supportive care for aplastic anemia, they address lower-priority needs based on the ABCs (Airway, Breathing, Circulation) and Maslow's hierarchy. Safety from infection is a fundamental physiological safety need.
• Option 2 (Encourage fluids): Important for overall health but does not address the most acute threat. Dehydration is a concern but not the primary lethal complication of bone marrow failure.
• Option 3 (High-protein diet): Supports healing and growth, which is important for a 9-year-old. However, nutritional support is a secondary intervention when the immediate risk of infection is controlled.
• Option 4 (Frequent rest): Addresses fatigue from anemia (low RBCs) and conserves energy. While essential for quality of life, it is not the priority over preventing a life-threatening infection.
Related Concepts: The nursing process requires prioritization. Always address threats to life first (infection, hemorrhage, impaired oxygenation). For aplastic anemia, the triad of risks is Infection (from neutropenia), Bleeding (from thrombocytopenia), and Fatigue (from anemia), with infection being the most immediate cause of mortality.
Nursing Clinical Practice GuideClinical Scenario: You are the nurse caring for "Leo," a 9-year-old admitted with newly diagnosed severe aplastic anemia. His lab results show: Hb 7.2 g/dL, WBC 1.8 x10³/µL, ANC 200 cells/µL, Platelets 15,000/µL. He is pale and tires easily but is currently afebrile.
Nursing Intervention Strategy:
1AssessmentImmediate and continuous. Monitor vital signs every 4 hours, especially temperature. A single oral temperature of ≥ 38.3°C (100.9°F) or ≥ 38.0°C (100.4°F) sustained over one hour is a febrile neutropenia emergency requiring immediate blood cultures and broad-spectrum IV antibiotics. Assess mucous membranes, skin, and perianal area daily for subtle signs of infection (redness, tenderness) or bleeding (petechiae, bruising).
2Infection Prevention Implementation• Place Leo in a private room.
• Enforce strict hand hygiene for everyone entering.
• Ensure Leo practices meticulous oral care with a soft toothbrush (or sponge-tipped applicator if platelets are very low) to prevent mucositis and infection.
• Prohibit fresh fruits, vegetables, or flowers that may harbor bacteria/fungi.
• Screen all visitors for illness.
3Patient & Family EducationTeach Leo and his parents about neutropenic precautions at home: avoid crowds, report any fever immediately, maintain good skin hygiene, and ensure all family members are up-to-date on vaccinations (but Leo cannot receive live vaccines).
Patient Safety and Precautions:
• Bleeding Precautions: Implement concurrently due to thrombocytopenia. Use a soft-bristled toothbrush, avoid rectal temps/medications, and prevent trauma.
• Medication Safety: Many treatments for aplastic anemia (e.g., immunosuppressants like cyclosporine, ATG) further increase infection risk. Administer exactly as scheduled.
• Transfusion Support: Leo will likely need packed RBC (PRBC) transfusions for anemia and platelet transfusions to prevent bleeding. Monitor for transfusion reactions.
Nursing Procedure & Medication FlowManaging Febrile Neutropenia (A Nursing Emergency):
2Obtain CulturesDraw blood cultures x2 from different sites (peripheral and central line if present) before starting antibiotics.
3Administer AntibioticsAdminister the first dose of broad-spectrum IV antibiotics (e.g., piperacillin-tazobactam) within 60 minutes of fever recognition. Time is critical.
4Continuous MonitoringMonitor for signs of septic shock: hypotension, tachycardia, tachypnea, changes in mental status.
A Word from Your Senior Nurse
"In pediatric hematology, a fever in a neutropenic child is a 'stop everything' moment. Their body can't mount a fight, so we have to be their immune system — through impeccable precautions and lightning-fast action at the first sign of trouble. When you're studying, remember: priority always goes to what will kill the patient first. For aplastic anemia, that's almost always infection. This mindset of 'safety first' will guide you through countless NCLEX questions and, more importantly, through your real shifts on the floor."
Aplastic Anemia — A bone marrow failure syndrome characterized by pancytopenia (low RBCs, WBCs, platelets) and a hypocellular bone marrow. It results from damage to hematopoietic stem cells.
Neutropenic Precautions — Also called protective isolation. A set of infection control practices (private room, strict hand hygiene, avoiding sick visitors, no fresh plants/flowers) used to protect patients with severely low neutrophil counts (ANC < 500/µL).
Absolute Neutrophil Count — A calculated value (WBC x (% segs + % bands) / 100) that indicates the actual number of neutrophil cells available to fight infection. An ANC < 500/µL defines severe neutropenia and high infection risk.
Pancytopenia — A deficiency of all three major cellular components of the blood: red blood cells (anemia), white blood cells (leukopenia), and platelets (thrombocytopenia). It is the hallmark lab finding in aplastic anemia.
Febrile Neutropenia — A medical emergency defined as a single oral temperature ≥ 38.3°C (100.9°F) or ≥ 38.0°C (100.4°F) sustained over 1 hour in a patient with an ANC < 500/µL. Requires immediate blood cultures and empiric IV antibiotics.