Hepatitis B e Antibody (HBeAb)

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Price: 20 د.ا

Hepatitis B is a liver infection caused by the Hepatitis B virus (HBV). Among the various tests used to diagnose and monitor HBV infection, the Hepatitis B e Antibody (HBeAb) test holds particular significance. This article delves into the details of the HBeAb test, its normal range for different demographics, its function in the body, diseases revealed by the test, associated symptoms, and diagnosis.

Normal Range

The presence of HBeAb is typically reported as positive or negative, rather than a specific numerical range. However, understanding the normal response can be categorized based on different groups:

– Females and Males: Both genders have the same reference range. A positive result indicates the presence of the antibody, suggesting the virus is not actively replicating.

– Children: Similar to adults, children’s results are interpreted as positive or negative. Children who have cleared the HBeAg (Hepatitis B e Antigen) will typically show a positive HBeAb result.

Function in the Body

Hepatitis B e Antibody (HBeAb) is produced in response to the Hepatitis B e Antigen (HBeAg), a protein secreted by HBV-infected cells. The presence of HBeAb typically indicates that the immune system has responded to the infection and the virus is not actively replicating. This antibody plays a crucial role in the body’s immune response, signaling a transition towards a less active phase of the infection.

Diseases Revealed by the Test

The HBeAb test is primarily used in the context of Hepatitis B infection. Its results can indicate several conditions related to the infection:

  1. Chronic Hepatitis B: In chronic cases, the transition from HBeAg to HBeAb is a sign that the virus’s activity has decreased.
  2. Acute Hepatitis B: During acute infection, seroconversion (the process by which HBeAg becomes HBeAb) is a positive indicator of the immune response.
  3. Hepatitis B Carrier State: A positive HBeAb in carriers suggests a lower level of viral replication.

Symptoms

The HBeAb test itself does not cause symptoms but is used to monitor the progression of Hepatitis B, which has various symptoms:

Acute Hepatitis B:

– Fever

– Fatigue

– Loss of appetite

– Nausea and vomiting

– Abdominal pain

– Dark urine

– Jaundice (yellowing of the skin and eyes)

Chronic Hepatitis B:

– Persistent fatigue

– Liver damage (cirrhosis)

– Liver cancer

Symptoms of Deficiency and Overdose

Given that HBeAb is an antibody, the concept of deficiency or overdose does not apply as it does with vitamins or medications. Instead, the presence or absence of HBeAb is significant in understanding the state of Hepatitis B infection:

– Absence of HBeAb: May indicate active viral replication if HBeAg is present.

– Presence of HBeAb: Suggests the virus is not actively replicating, generally indicating a better prognosis.

Diagnosis

The HBeAb test is one component of a comprehensive diagnostic approach for Hepatitis B. Diagnosis typically involves:

Blood Tests:

   – Hepatitis B Surface Antigen (HBsAg): Indicates current infection.

  – Hepatitis B Surface Antibody (HBsAb):Indicates immunity.

Hepatitis B Core Antibody (HBcAb):Indicates past or ongoing infection.

Hepatitis B e Antigen (HBeAg):Indicates active replication.

Hepatitis B e Antibody (HBeAb): Indicates reduced replication.

Liver Function Tests:

Assess the extent of liver damage.

Viral Load (HBV DNA):

Measures the amount of virus in the blood.

Liver Biopsy:

In some cases, to assess liver damage.

Frequently Asked Questions

  1. What does a positive HBeAb test mean?

A positive HBeAb test indicates that the body has produced antibodies against the Hepatitis B e Antigen, suggesting that the virus is not actively replicating.

  1. Can I have a positive HBeAb and still be infectious?

Yes, while a positive HBeAb generally indicates lower levels of viral replication, it does not necessarily mean that you are not infectious. Other tests, like HBV DNA, help determine the level of infectiousness.

  1. How is the HBeAb test different from the HBsAb test?

The HBeAb test detects antibodies against the Hepatitis B e Antigen, indicating reduced viral replication. The HBsAb test detects antibodies against the Hepatitis B surface antigen, indicating immunity.

  1. Is the HBeAb test used to monitor treatment?

Yes, the HBeAb test can be used to monitor the effectiveness of antiviral treatment in patients with chronic Hepatitis B.

  1. Can children be tested for HBeAb?

Yes, children can be tested for HBeAb. The test helps in understanding the status of the infection and the immune response in pediatric patients.

  1. How often should I get tested for HBeAb if I have Hepatitis B?

The frequency of testing depends on your health status and doctor’s recommendations. It is often monitored regularly in chronic Hepatitis B patients to assess treatment progress and viral activity.

  • Function in the Body

  • Symptoms of Deficiency

  • Symptoms of Overdose

  • Diagnosis

  • More Information

Frequently Asked Questions

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