# A 10-year-old child with sickle cell anemia is admitted to the pediatric unit with severe pain in the legs and arms. The child appears restless, has a temperature of 101.2°F (38.4°C), and reports pain level of 9/10. Which nursing action should be the PRIORITY?

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## 문제

A 10-year-old child with sickle cell anemia is admitted to the pediatric unit with severe pain in the legs and arms. The child appears restless, has a temperature of 101.2°F (38.4°C), and reports pain level of 9/10. Which nursing action should be the PRIORITY?

## 보기

1. Administer acetaminophen for fever reduction
2. Initiate aggressive fluid resuscitation with normal saline **✔ 정답**
3. Apply cold compresses to painful areas
4. Encourage deep breathing exercises to prevent pneumonia

**정답: 2**

## 해설

Aggressive fluid resuscitation is priority in sickle cell crisis to prevent dehydration-induced sickling. Fever reduction, cold compresses, and breathing exercises are supportive but do not address the underlying crisis mechanism.

## 심화 해설

Core Pathophysiology: Vaso-Occlusive Crisis (VOC)

In sickle cell disease, deoxygenated hemoglobin S polymerizes, causing red blood cells to sickle. These sickled cells adhere to the vascular endothelium, leading to microvascular occlusion, tissue ischemia, and severe pain. This is the hallmark of a vaso-occlusive crisis (VOC), the most common reason for hospitalization in these patients [2,3]. The primary goal of management is to halt the sickling process and restore blood flow to ischemic tissues.

Priority Action: Initiate Aggressive Fluid Resuscitation

The immediate priority is to administer intravenous fluids. In VOC, the microcirculation is sluggish due to the obstruction from sickled cells. Aggressive hydration with hypotonic or isotonic fluids like normal saline works to expand the intravascular volume, reduce blood viscosity, and literally "flush" the sickled cells through the microvasculature, thereby improving tissue perfusion and oxygenation [2,3]. This directly addresses the underlying cause of the pain and restlessness. The clinical practice guidelines for managing emergencies in sickle cell disease explicitly include hydration as a cornerstone of VOC management [2].

Why Other Options Are Not the Priority

-

**Administer acetaminophen for fever reduction:** While a temperature of 101.2°F (38.4°C) is concerning for possible infection or inflammation, acetaminophen is an antipyretic and mild analgesic. It will not address the severe pain of 9/10 or, more critically, the underlying vaso-occlusion causing tissue ischemia. Opioid analgesia is the mainstay for pain in VOC, and fever management is secondary to restoring perfusion [2].

-

**Apply cold compresses to painful areas:** This action is contraindicated. Cold causes vasoconstriction and can promote further sickling of red blood cells, which will worsen the vaso-occlusion and intensify the pain. Heat application is used to promote vasodilation, not cold [2].

-

**Encourage deep breathing exercises to prevent pneumonia:** This is a vital intervention to prevent acute chest syndrome (ACS), a life-threatening complication of VOC [1,2]. However, the priority is to first treat the acute crisis. While incentive spirometry should be initiated early, it is not the immediate priority over fluid resuscitation to resolve the ongoing ischemic injury. The child's restlessness and severe pain will also make effective participation in breathing exercises difficult until pain and perfusion are addressed.

Clinical Reasoning for NCLEX

This question tests the ability to prioritize interventions during an acute sickle cell crisis. The physiological basis for the priority is clear: you must first reverse the pathological process of vaso-occlusion and tissue hypoxia. IV fluid resuscitation is the fastest and most direct way to begin this process. Pain management, prevention of complications like ACS, and fever investigation are all critical but are secondary to the primary intervention of restoring microvascular circulation [2,3]. A systematic review highlights that while IV hydration is a standard and essential therapy, it must be carefully monitored to avoid complications like fluid overload, underscoring the nurse's role in precise administration and assessment [3].

References (research sources)

- [2]Guidelines for the management of emergencies and critical illness in pediatric and adult patients with sickle cell disease.GuidelineMekontso Dessap A, Dauger S, Khellaf M, Agbakou M, Agut S, Angoulvant F, Arlet JB, Aubron C, Baudin F, Boissier F, Bounaud N, Catoire P, Cecchini J, Chaiba D, Chauvin A, Chocron R, Douay B, Douillet D, Elenga N, Flechelle O, Gendreau S, Goddet S, Guenezan J, Habibi A, Heilbronner C, Koehl B, Le Borgne P, Le Conte P, Legras A, Levy M, Maitre B, Oberlin M, Oualha M, Peschanski N, Pirenne F, Pondarre C, Rambaud J, Razazi K, Rousseau G, Schirmann A, Thuret I, Valentino R, Voiriot G, Villoing B, Grimaud M, Jean S. (2025) · DOI: 10.1186/s13613-025-01479-3

- [3]Intravenous Hydration and Associated Outcomes in Patients With Sickle Cell Disease Admitted With Vaso-Occlusive Crises: A Systematic Review.Meta-analysis/systematic reviewPandey S, Tan EFS, Bellamkonda A, Aryal B, Karki S, Boddu G, Sapkota R, Changela M, Kalavar M. (2024) · DOI: 10.7759/cureus.54463

## 임상 시나리오

Pediatric Vaso-Occlusive Crisis ManagementPrioritizing Fluid Resuscitation in Sickle Cell Pain
In a vaso-occlusive crisis (VOC), sickled cells obstruct microcirculation, causing ischemia and severe pain. The immediate priority is to reverse this process with aggressive IV fluid resuscitation using isotonic solutions like normal saline or 5% dextrose in water.

Hydration expands intravascular volume, reduces blood viscosity, and mechanically flushes sickled cells through the microvasculature. This directly improves tissue perfusion and oxygenation, addressing the root cause of pain rather than just the symptom.

CautionNever apply cold compresses to painful areas; cold triggers vasoconstriction and can worsen sickling. Use warm compresses instead to promote vasodilation. Monitor fluid balance closely to prevent overload, especially in patients with cardiac or renal compromise.

## 핵심 개념

- **Vaso-Occlusive Crisis (VOC)** — A painful episode in sickle cell disease caused by sickled red blood cells obstructing microcirculation, leading to tissue ischemia and infarction.
- **Hemoglobin S Polymerization** — The process where deoxygenated abnormal hemoglobin molecules stick together, forming rigid polymers that distort red blood cells into a sickle shape.
- **Blood Viscosity** — The thickness and stickiness of blood; increased viscosity from sickled cells impairs blood flow and contributes to vaso-occlusion.
- **Intravascular Volume Expansion** — Increasing the fluid portion of the blood through IV hydration to improve circulation and reduce the concentration of sickled cells.
- **Microvascular Occlusion** — Blockage of the smallest blood vessels (capillaries and venules) by sickled erythrocytes, the primary pathology in a VOC.

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