Lupus 狼瘡

Lupus Diagnosis

Diagnosing lupus can be challenging due to its varied symptoms that differ from person to person. No single test can definitively diagnose it, but a combination of factors helps establish the diagnosis:

  1. Blood and Urine Tests:

    • Complete Blood Count (CBC): Measures red blood cells, white blood cells, platelets, and hemoglobin levels. Anemia is common in lupus.
    • Erythrocyte Sedimentation Rate (ESR): Detects systemic inflammation. Elevated ESR may indicate lupus.
    • Kidney and Liver Assessment: Evaluates kidney and liver function, as lupus can affect these organs.
    • Urinalysis: Detects protein or red blood cells in urine, indicating kidney involvement.
    • Antinuclear Antibody (ANA) Test: A positive result suggests an overactive immune system. However, not all ANA-positive individuals have lupus.
  2. Imaging Tests:

    • Chest X-ray: Reveals lung abnormalities related to lupus.
    • Echocardiogram: Assesses heart function and valves.
  3. Biopsy:

    • Kidney Biopsy: Sometimes necessary to determine the type of kidney damage and guide treatment.
    • Skin Biopsy: Confirms lupus affecting the skin.

Lupus treatment

Lupus treatment aims to manage symptoms and improve quality of life. Here are some common approaches:

  1. Medications:

    • Anti-inflammatory drugs: These help with pain and fever.
    • Antimalarials: Used for fatigue, joint pain, skin rashes, and lung inflammation caused by lupus.
    • Corticosteroids: Reduce inflammation in the body.
  2. Lifestyle Changes:

    • Sun Protection: Sunscreen, protective clothing, and avoiding direct sunlight.
    • Exercise: Gentle activities to maintain joint flexibility and overall health.
    • Diet: Focus on nutrient-rich foods and avoid triggers.
  3. Regular Medical Follow-up:

    • Monitoring kidney and liver function.
    • Addressing any complications promptly.

Cause

Lupus is a complex autoimmune disease, and while its exact cause remains elusive, several factors contribute to its development:

  1. Genetics: Certain genetic variations may predispose individuals to lupus. Family history plays a role.

  2. Hormones: Hormonal changes, especially in women, can influence lupus. It often flares during pregnancy or with hormonal therapies.

  3. Environmental Triggers: Exposure to certain triggers, such as viral infections or chemicals, may activate the immune system in susceptible individuals.

  4. Immune System Abnormalities: Recent research suggests an imbalance in specific T cells (white blood cells) contributes to lupus. Excess type I interferon, a protein defending against pathogens, disrupts immune responses and leads to autoantibody production, damaging healthy tissues.

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