RA Factor Changes and Related Health Concerns - Internal Medicine

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Rheumatoid Arthritis - Inquiry about Rheumatoid Factor and Other Related Data?


Hello, Doctor Gao.
I apologize for the lengthy message.
Here are my health examination data from three tests conducted at the same laboratory:
- Date: 2023/11/11, 2024/6/15, (2024/4/30)
- ALT/SGPT (Liver Enzyme): 29, 46
- AST/SGOT (Liver Enzyme): 20, 26
- RA (Rheumatoid Factor): <8.4, 9.2, <8.4
- CRP (C-reactive Protein): 0.222, 0.18
- Hepatitis B Antigen: <0.1, <0.1
- Hepatitis B Antibody: 3.7, <3.1
- Hepatitis A Antibody: 0.32, <0.1
- Hepatitis C Antibody: 0.08, <0.02
- Alpha-fetoprotein: 5.5, 7.1
- ANA (Antinuclear Antibody): <1:40 (-), not tested, <1:40 (-)
- Urine pH: 7, 5.5
- Liver and Gallbladder Enzymes: 31, 47
- Thyroid Stimulating Hormone: 1.578, 1.815
- Free Thyroxine: 1.56, 1.32
- Uric Acid: 6.4, 7
The above data represents my health examination results.

Regarding my personal situation:
1.
Two weeks after being diagnosed with COVID-19 six months ago, I began experiencing hair loss, dry eyes, dry mouth, oral ulcers, swollen lymph nodes in the neck, widespread rashes, and joint pain in my fingers and elbows (severe pain upon waking, which eased with movement).
At that time, I suspected an autoimmune disease and consulted a rheumatologist, but the results indicated I was healthy with no autoimmune disease.
The doctor advised me to address symptoms as they arose, and most discomfort subsided, but I still experience stiffness in my fingers, so I continue to have ANA and RA factor tests done regularly at my own expense.

Last week, I started experiencing fever (heat in the neck), swollen lymph nodes, oral ulcers, rashes on my arms, and joint pain in one or two fingers (the pain began one day after waking up and did not ease with time; it worsened with activity, without redness or itching).
Therefore, on 2024/6/15, I went for blood tests again, ruling out syphilis, HIV, and COVID-19 related diseases.

Based on the above situation, I have the following questions:
1.
In December 2023, I had tests for autoimmune diseases at a regional hospital, where my RA factor was less than 5.
The data from 2024/4/30 showed it was less than 8.4.
My RA factor has suddenly increased from less than 5 to 9.2 within six months, nearly doubling.
Does this indicate the potential onset of an autoimmune disease (rheumatoid arthritis)?
2.
My dietary habits have not changed significantly in the past six months (I haven't consumed overly salty foods, nor have I eaten particularly healthily), but liver-related values have worsened.
I have heard that autoimmune diseases can attack internal organs.
Is the rate of increase in my liver values abnormal? Could this be related to an autoimmune disease?
Thank you, Doctor.
I have already scheduled an appointment with the rheumatology department, but I have to wait over two weeks, which makes me anxious and worried.
I appreciate your response.
Thank you.

A Yi, 20~29 year old female. Ask Date: 2024/06/15

Dr. Gao Jiankai reply Internal Medicine


Hello, thank you for your inquiry.
Here are my responses:
1.
I underwent tests related to immune system diseases at a regional hospital in December 2023, and my rheumatoid arthritis (RA) factor was less than 5 at that time.
Additionally, the measurement taken on April 30, 2024, was less than 8.4.
My RA factor suddenly increased from less than 5 to 9.2 within six months, nearly doubling.
Should I be concerned that this indicates the onset of an immune system disease (rheumatoid arthritis)? --> As long as the values remain within the normal range, fluctuations are not a cause for concern.
2.
Over the past six months, my dietary habits have not changed (I haven't consumed overly salty foods, nor have I eaten particularly healthy), yet my liver-related values have worsened.
I have heard that immune system diseases can attack internal organs, so I wonder if the rapid increase in liver values is abnormal and whether it is related to an immune system disease? --> I believe that a slight increase in liver enzymes can be influenced by many factors, including weight gain or changes in lifestyle.
Therefore, if the increase is minimal, I would recommend retesting after a period, such as three months.
During this time, you can engage in more physical activity and adjust your routine to see if the values decrease.
It is rarely associated with immune dysfunction.

Best regards from the Allergy, Immunology, and Rheumatology Department of Changhua Hospital, Ministry of Health and Welfare.

Reply Date: 2024/06/15

More Info


Understanding the changes in rheumatoid arthritis (RA) factor levels and their implications for health can be complex, especially in the context of other health issues. Based on the information provided, let's delve into your concerns regarding the sudden increase in your RA factor and the liver enzyme levels.


Changes in RA Factor Levels
1. RA Factor Increase: You mentioned that your RA factor increased from less than 5 to 9.2 within a six-month period. While this is a notable change, it is essential to understand that fluctuations in RA factor levels can occur for various reasons. The RA factor is an antibody that can be present in individuals with rheumatoid arthritis, but it can also be found in healthy individuals or those with other conditions. An increase in the RA factor does not automatically indicate the onset of rheumatoid arthritis. It is crucial to consider other clinical symptoms and laboratory findings alongside this increase.
Given your history of symptoms such as joint pain, fever, and skin rashes, it is advisable to consult with a rheumatologist. They may recommend further testing, including imaging studies or additional blood tests, to assess for signs of inflammation or joint damage. The presence of symptoms alongside the RA factor elevation could suggest a need for closer monitoring or intervention.


Liver Enzyme Levels
2. Liver Enzyme Concerns: Your liver enzyme levels (ALT and AST) have shown an increase, with ALT rising from 29 to 46 and AST from 20 to 26. Elevated liver enzymes can result from various factors, including medications, alcohol consumption, obesity, and underlying liver conditions. In the context of autoimmune diseases, certain medications used to treat conditions like RA can also impact liver function.

It is noteworthy that autoimmune diseases can sometimes affect the liver, leading to conditions such as autoimmune hepatitis. However, the degree of elevation in your liver enzymes is relatively mild. It is essential to monitor these levels over time and consider lifestyle factors that may contribute to liver health, such as diet, exercise, and alcohol consumption.
Since you mentioned no significant dietary changes, it may be beneficial to evaluate any medications you are taking, as some can have hepatotoxic effects. Regular follow-up with your healthcare provider to recheck liver function tests in a few months is advisable. They may also recommend imaging studies like an ultrasound if there are concerns about liver health.


Conclusion
In summary, while the increase in your RA factor and liver enzymes warrants attention, it is essential to interpret these changes in the context of your overall health, symptoms, and medical history. Regular follow-up with your rheumatologist and primary care physician is crucial for monitoring these changes and determining the appropriate course of action. They may suggest lifestyle modifications, further testing, or adjustments to your treatment plan based on your evolving health status.

It is understandable to feel anxious about these changes, especially with the complexity of autoimmune conditions. However, proactive management and open communication with your healthcare team can help address your concerns and guide you toward better health outcomes.

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