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Pediatric Neutropenia - Types and Management Guidelines

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Pediatric neutropenia is a medical condition in which a child has lower-than-normal amounts of neutrophils in their bloodstream. Read below to know more about it.

Written by

Dr. Aaliya

Medically reviewed by

Dr. Veerabhadrudu Kuncham

Published At March 21, 2023
Reviewed AtMarch 21, 2023

Introduction:

Pediatric neutropenia is a condition in which a child has a lower-than-normal count of neutrophils, a type of white blood cell that defends the body against bacterial and fungal infections. Due to the reduced neutrophil count, children with this condition may be more susceptible to infections and must be treated and closely monitored to manage their condition. The presence of neutrophils is critical for the immune system to function properly.

What is Pediatric Neutropenia?

Pediatric neutropenia is a medical condition in which a child has lower-than-usual levels of a particular type of white blood cell called neutrophils in their bloodstream. Since neutrophils protect the body against bacterial and fungal infections, their decreased count makes children more vulnerable to such infections.

What Are the Types of Pediatric Neutropenia?

In children, there are several categories of neutropenia, which include:

  • Congenital Neutropenia: An uncommon hereditary disorder that causes a persistent reduction in neutrophil count. Patients with this type of neutropenia have a greater risk of bacterial infections and may also have accompanying medical conditions, such as skeletal abnormalities.

  • Idiopathic Neutropenia: This type of neutropenia is characterized by an unknown cause and is often discovered incidentally during routine blood tests. Patients with idiopathic neutropenia have a lower risk of bacterial infections than those with congenital neutropenia.

  • Autoimmune Neutropenia: In this type of neutropenia, the body's immune system attacks and destroys neutrophils, resulting in a low neutrophil count.

  • Drug-Induced Neutropenia: Certain medications, including chemotherapy drugs and antibiotics, may cause a temporary decrease in neutrophil count.

  • Infectious Neutropenia: Some viral and bacterial infections can lead to temporary decrease in neutrophil count, but the count usually returns back to normal following treatment for the infection.

What Are the Causes of Pediatric Neutropenia?

Pediatric neutropenia can occur from various causes, which include:

  • Inherited Genetic Disorders: Congenital neutropenia, a rare inherited disorder, causes a chronic low neutrophil count.

  • Infections: Certain viral and bacterial infections, like the Epstein-Barr virus, hepatitis B or C, human immunodeficiency virus (HIV), tuberculosis, and sepsis, can result in neutropenia in children.

  • Medications: Certain medications, such as chemotherapy, antibiotics, antithyroid drugs, and anticonvulsants, can cause neutropenia in children.

  • Nutritional Deficiencies: Nutritional deficiencies, specifically vitamin B12 and folate deficiencies, may lead to neutropenia in children.

  • Bone Marrow Disorders: Disorders of the bone marrow, such as aplastic anemia and myelodysplastic syndrome, can cause neutropenia in children.

  • Environmental Factors: Exposure to specific environmental toxins, such as benzene, can result in neutropenia in children.

  • Idiopathic: In some cases, the cause of neutropenia may be unknown or idiopathic.

Children with neutropenia are at an increased risk of bacterial infections and require close monitoring by a healthcare provider.

What Are the Signs and Symptoms of Pediatric Neutropenia?

Here are some possible signs and symptoms that could suggest pediatric neutropenia:

  • Fever: Neutropenic children are particularly vulnerable to infections, and a fever is a common indicator of an infection.

  • Mouth Ulcers: Neutropenia may lead to the development of sores in the mouth, which can be uncomfortable and make it difficult for the child to consume food and drinks.

  • Skin Infections: Children with neutropenia may have an increased risk of contracting skin infections, such as boils, impetigo, or cellulitis.

  • Respiratory Infections: Neutropenia could also raise a child's susceptibility to respiratory infections, including pneumonia, bronchitis, or sinusitis.

  • Gastrointestinal Symptoms: Abdominal discomfort, nausea, vomiting, or diarrhea could indicate neutropenia.

  • General Symptoms: Neutropenic children may feel exhausted, weak, and lose their appetite.

How to Diagnose Pediatric Neutropenia?

Pediatric neutropenia is typically diagnosed through medical history, physical examination, and laboratory tests.

  • Medical History: The healthcare provider will ask questions about the child's medical history, including any previous infections, medications taken, family history, and any symptoms that the child is experiencing.

  • Physical Examination: The healthcare provider will conduct a physical examination to identify signs of infection and other medical conditions.

  • Blood Tests: A complete blood count (CBC) is usually the first test ordered to diagnose neutropenia. This test measures the number of neutrophils in the blood, and other blood cell counts. Further tests, such as a bone marrow biopsy, may be ordered if the healthcare provider suspects a bone marrow disorder.

  • Infectious Disease Testing: If an infectious cause of neutropenia is suspected, the healthcare provider may order tests to identify the specific virus or bacteria causing the infection.

  • Genetic Testing: If congenital neutropenia is suspected, genetic testing may be ordered to confirm the diagnosis.

What Are the Guidelines for the Management of Pediatric Neutropenia?

These are general guidelines for managing childhood neutropenia:

  • Monitor for Signs of Infection: Watch out for any signs of infection and seek medical attention promptly if they occur.

  • Treat the Underlying Cause: Identify and treat the underlying condition causing the neutropenia appropriately.

  • Avoid Exposure to Infection: Reduce the risk of infection by avoiding exposure to individuals with infectious diseases, crowded places, and practicing good hygiene.

  • Administer Growth Factors: If necessary, a medication called growth factors might be given to stimulate neutrophil production.

  • Consider Prophylactic Antibiotics: Children with severe neutropenia or a history of frequent infections may receive prophylactic antibiotics to prevent infections.

  • Regular Monitoring: Regular blood tests will help monitor the neutrophil counts and ensure that the neutropenia is not worsening.

  • Consult With a Specialist: Seek guidance from a pediatrician, hematologist or oncologist if the neutropenia is severe or not responding to treatment.

What Is the Treatment for Pediatric Neutropenia?

Pediatric neutropenia treatment options are determined based on the severity of the condition and its underlying cause. While some cases may not require treatment, others require intervention to increase neutrophil counts and prevent infections.

  • Antibiotics may be given to children who are infected or at risk of infection.

  • Growth factors such as G-CSF or GM-CSF may be prescribed to stimulate neutrophil production in the bone marrow.

  • Immunoglobulin therapy may be used for children with autoimmune neutropenia.

  • Bone marrow transplantation may be necessary for those with severe congenital neutropenia.

  • If medication or environmental factors are causing neutropenia, they must be avoided or removed.

  • Additionally, monitoring the child's condition through regular blood tests and good hygiene practices is crucial to prevent infections.

Conclusion:

A child with low neutrophils in their blood may have pediatric neutropenia, which can increase the risk of infections. Therefore, timely diagnosis and management of pediatric neutropenia are crucial to reduce the risk of complications. Although managing this condition can be difficult, with appropriate medical treatment and care, many affected children can have a good quality of life.

Frequently Asked Questions

1.

What Is the Definition of Absolute Neutrophils in a Blood Test?

An absolute neutrophil count can determine the quantity of neutrophils in a blood sample. In a healthy adult, there should be between 2,500 and 7,000 neutrophils per microliter of blood. 

2.

What Is a Blood Test for Abs Neutrophils?

The quantity of neutrophil granulocytes in the blood is determined by the absolute neutrophil count (ANC).

3.

Why Are Neutrophils Low but Lymphocytes Are High?

Low neutrophil counts develop when the bone marrow cannot renew them as quickly as needed. Whereas viral infection can cause an increase in lymphocytes.

4.

What Does an Increase in Neutrophils Mean?

A bacterial infection is frequently the cause of an excessively high neutrophil count, which is sometimes referred to as neutrophilic leukocytosis. Immature neutrophils prematurely depart from the bone marrow and enter the circulation to fight the illness.

5.

What Factors Contribute to Elevated Neutrophil Levels During Pregnancy?

White blood cells called neutrophils aid in the body's defense against infection. Due to the additional stress that pregnancy places on a person's body, the amount of neutrophils in the blood rises typically throughout pregnancy. High neutrophil levels can occasionally indicate an underlying disease, such as gestational diabetes.

6.

What Is the Reason for a Low White Blood Cell Count and Neutrophil Count?

Leukopenia can occur in people who take certain drugs, have some medical issues, are malnourished, or do not receive enough of certain vitamins. The following are examples of medical conditions: Bone marrow diseases. Examples of bone marrow conditions that lead to leukopenia include multiple myeloma and aplastic anemia. Low neutrophil numbers happen when the bone marrow cannot replenish the white blood cells as rapidly as needed

7.

What Does a High Absolute Neutrophil Count Mean?

A high neutrophil count indicates stress on the body. Increased neutrophil counts can be brought on by 
- Infection.
- Inflammation.
- Stress.
- Strenuous activity.

8.

What Malignancies Are Linked to High Neutrophil Levels?

Cancers that can result in neutrophilia include
- Hodgkin's lymphoma.
- Myelocytic leukemia.
- Young-onset myelomonocytic leukemia.

9.

How Can I Boost Neutrophils by Diet?

Typical foods for a neutropenic diet include the following:
- Pasteurized milk-based cheese and cheese-related items that are commercially packaged.
- Roasted nuts.
- Fruits and vegetables that are frozen or tinned.
- Cooked grains like rice, pasta, and other grains.

10.

How Can I Boost My Neutrophils During Chemotherapy?

Medications (growth factors) can boost neutrophil production in the bone marrow (either as a preventative measure or as a therapy for a low neutrophil count). These include Neupogen and Neulasta.
 

11.

What Meals Boost Neutrophil Counts?

Low neutrophil blood levels may be improved by consuming foods high in vitamins B9 and B12 or by supplementing these nutrients. Eggs, milk, and other dairy products are examples of foods high in vitamin B12.

12.

What Are the Symptoms Of Benign Neutropenia?

- Febrile neutropenia (fever).
- Fatigue.
- Throat discomfort (pharyngitis).
- Lymph nodes with swelling.
- Oral ulcers.
- An infection site may cause pain, swelling, and a rash.
- Diarrhea.

13.

Why Is Neutropenia Seen in Typhoid?

The typhoid bacteria have a capsular polysaccharide that prevents macrophages from eating the bacterium, which prevents neutrophils from being mobilized and results in relative neutropenia.

14.

Can Antibiotics Lead To Neutropenia?

Several medications, notably antibiotics, can bring on this undesirable effect. Patients receiving semi-synthetic penicillin for two weeks or longer frequently have drug-induced neutropenia.
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Dr. Veerabhadrudu Kuncham
Dr. Veerabhadrudu Kuncham

Pediatrics

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