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Difference Between Rheumatic Arthritis and Ankylosing Spondylitis

  • Post last modified:April 4, 2023
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Definition of Rheumatic Arthritis and Ankylosing Spondylitis

Rheumatic Arthritis and Ankylosing Spondylitis are chronic inflammatory disorders that affect the joints and require early diagnosis and treatment to manage symptoms and prevent joint damage.

Rheumatoid arthritis (RA) is a chronic autoimmune disorder that primarily affects the joints, causing inflammation, pain, and stiffness. It can also affect other parts of the body, such as the lungs, heart, and blood vessels.

Ankylosing spondylitis (AS) is a chronic inflammatory disorder that primarily affects the spine and sacroiliac joints. It causes inflammation and fusion of the vertebrae, leading to a stiff and inflexible spine. It can also affect other joints in the body, such as the hips, shoulders, and knees.

Overview of Rheumatoid Arthritis

Rheumatoid arthritis (RA) is a chronic autoimmune disorder that primarily affects the joints. It is characterized by inflammation of the synovium, the tissue that lines the joints, leading to pain, stiffness, and swelling. RA typically affects multiple joints symmetrically, such as the wrists, hands, knees, and ankles.

RA is a progressive disease that can lead to joint damage and deformity if left untreated. In addition to joint symptoms, RA can also cause fatigue, fever, and weight loss. RA is more common in women than men and usually occurs between the ages of 40 and 60, although it can occur at any age.

The exact cause of RA is not known, but it is believed to involve a combination of genetic and environmental factors. There is no cure for RA, but early diagnosis and treatment can help to manage symptoms, reduce joint damage, and improve quality of life. Treatment options for RA include medications, physical therapy, and lifestyle modifications such as exercise and diet changes.

Overview of Ankylosing Spondylitis

Ankylosing spondylitis (AS) is a chronic inflammatory disorder that primarily affects the spine and sacroiliac joints. It causes inflammation and fusion of the vertebrae, leading to a stiff and inflexible spine. AS can also affect other joints in the body, such as the hips, shoulders, and knees.

AS is more common in men than women and typically begins in early adulthood, although it can occur at any age. The exact cause of AS is not known, but genetic factors are believed to play a role.

Symptoms of AS include pain and stiffness in the back, buttocks, and hips, especially in the morning and after periods of inactivity. As the disease progresses, the spine may become more rigid, making it difficult to bend and move. Fatigue, loss of appetite, and weight loss can also occur.

There is no cure for AS, but treatment can help to manage symptoms, prevent joint damage, and improve overall quality of life. Treatment options include medications, physical therapy, and exercise, which can help to maintain flexibility and range of motion. Surgery may be necessary to correct severe joint damage or deformity.

Differences between Rheumatoid Arthritis and Ankylosing Spondylitis

There are several key differences between rheumatoid arthritis (RA) and ankylosing spondylitis (AS), including:

  • Location of Pain: RA typically affects the smaller joints in the hands, feet, and wrists, while AS primarily affects the spine and sacroiliac joints.
  • Types of Joints Affected: RA affects both synovial joints (joints that move, such as the knees and elbows) and non-synovial joints (joints that don’t move, such as the joints between the vertebrae in the spine), while AS primarily affects synovial joints.
  • Age of Onset: RA usually develops between the ages of 40 and 60, while AS typically begins in early adulthood.
  • Inflammation: In RA, inflammation is more generalized and affects multiple joints throughout the body, while in AS, inflammation is primarily focused on the spine and sacroiliac joints.
  • Genetic Factors: While both conditions have a genetic component, the genes associated with RA and AS are different.
  • Gender Distribution: RA is more common in women, while AS is more common in men.
  • Extra-articular Manifestations: RA can affect other parts of the body, such as the lungs, heart, and blood vessels, while AS primarily affects the joints.

It’s worth noting that there are also some similarities between RA and AS, such as the fact that both are chronic inflammatory disorders that can cause joint pain and stiffness. The differences in the location of pain, types of joints affected, and other factors make these conditions distinct from one another.

Similarities between Rheumatoid Arthritis and Ankylosing Spondylitis

Although rheumatoid arthritis (RA) and ankylosing spondylitis (AS) are different conditions, they share some similarities:

  • Both are chronic inflammatory disorders that can cause joint pain and stiffness.
  • Both conditions have a genetic component, meaning that they can run in families.
  • Both conditions can lead to joint damage and deformity if left untreated.
  • Both can cause fatigue, loss of appetite, and weight loss.
  • Both can benefit from similar treatments such as nonsteroidal anti-inflammatory drugs (NSAIDs), disease-modifying antirheumatic drugs (DMARDs), and physical therapy.
  • Both conditions can have a significant impact on a person’s quality of life, causing disability and limiting daily activities.

It’s important to note that the location of pain, types of joints affected, and other factors are different between RA and AS. Therefore, it’s crucial to get an accurate diagnosis to receive the appropriate treatment.

Diagnosis and Treatment

Diagnosis of Rheumatoid Arthritis:

To diagnose rheumatoid arthritis (RA), a doctor will typically perform a physical exam, review medical history, and order imaging tests such as X-rays and MRIs. Blood tests such as rheumatoid factor (RF) and anti-cyclic citrullinated peptide (anti-CCP) antibodies can also be used to help confirm a diagnosis of RA. Early diagnosis and treatment are important to prevent joint damage and deformity.

Treatment of Rheumatoid Arthritis:

There is no cure for RA, but a combination of medications, physical therapy, and lifestyle modifications can help to manage symptoms and slow the progression of the disease. Treatment options include:

  • Nonsteroidal anti-inflammatory drugs (NSAIDs) – these medications can help to reduce pain and inflammation.
  • Disease-modifying antirheumatic drugs (DMARDs) – these medications can help to slow the progression of the disease and prevent joint damage.
  • Biologic drugs – these are a type of DMARD that target specific parts of the immune system to reduce inflammation.
  • Steroids – these medications can be used to reduce inflammation and pain in the short term.
  • Physical therapy – this can help to maintain flexibility and range of motion in the affected joints.
  • Lifestyle modifications – exercise, a healthy diet, and stress reduction techniques can help to improve overall health and manage RA symptoms.

Diagnosis of Ankylosing Spondylitis:

To diagnose ankylosing spondylitis (AS), a doctor will typically perform a physical exam, review medical history, and order imaging tests such as X-rays and MRIs. Blood tests are usually not used to diagnose AS, although they may be used to rule out other conditions. An early diagnosis of AS is important to prevent joint damage and deformity.

Treatment of Ankylosing Spondylitis:

There is no cure for AS, but a combination of medications, physical therapy, and lifestyle modifications can help to manage symptoms and slow the progression of the disease. Treatment options include:

  • Nonsteroidal anti-inflammatory drugs (NSAIDs) – these medications can help to reduce pain and inflammation.
  • Disease-modifying antirheumatic drugs (DMARDs) – these medications can help to slow the progression of the disease and prevent joint damage.
  • Biologic drugs – these are a type of DMARD that target specific parts of the immune system to reduce inflammation.
  • Steroids – these medications can be used to reduce inflammation and pain in the short term.
  • Physical therapy – this can help to maintain flexibility and range of motion in the affected joints.
  • Lifestyle modifications – exercise, a healthy diet, and stress reduction techniques can help to improve overall health and manage AS symptoms.

Surgery may be necessary to correct severe joint damage or deformity. A doctor will work with the patient to determine the best treatment plan for their individual needs.

Conclusion

Rheumatoid arthritis (RA) and ankylosing spondylitis (AS) are chronic inflammatory disorders that can cause joint pain and stiffness. While they share some similarities such as having a genetic component and the potential to cause joint damage, they also have several differences such as the location of pain and the types of joints affected.

Accurate diagnosis is important for receiving the appropriate treatment which can include a combination of medications, physical therapy, and lifestyle modifications. While there is no cure for either condition, early diagnosis, and management can help to slow the progression of the disease and improve the quality of life for those affected.

Reference Link

Here are some trusted medical websites that provide more information about rheumatoid arthritis and ankylosing spondylitis:

  1. Mayo Clinic: https://www.mayoclinic.org/diseases-conditions/rheumatoid-arthritis/symptoms-causes/syc-20353648 | https://www.mayoclinic.org/diseases-conditions/ankylosing-spondylitis/symptoms-causes/syc-20354808
  2. Centers for Disease Control and Prevention (CDC): https://www.cdc.gov/arthritis/basics/rheumatoid-arthritis.html | https://www.cdc.gov/arthritis/basics/ankylosing-spondylitis.html
  3. Arthritis Foundation: https://www.arthritis.org/diseases/rheumatoid-arthritis | https://www.arthritis.org/diseases/ankylosing-spondylitis

Reference Books

Here are some reference books that provide comprehensive information about rheumatoid arthritis and ankylosing spondylitis:

  1. “Rheumatoid Arthritis: Plan to Win” by Cheryl Koehn and John Esdaile
  2. “Living with Rheumatoid Arthritis” by Tammi L. Shlotzhauer
  3. “Ankylosing Spondylitis: The Facts” by Muhammad Asim Khan and Gordon Waddell
  4. “Beating Ankylosing Spondylitis Naturally” by Dr. Scott A. Johnson
  5. “The First Year: Ankylosing Spondylitis: An Essential Guide for the Newly Diagnosed” by Dr. Muhammad A. Khan