High hs-CRP Levels: What SLE Patients Should Know - Internal Medicine

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Elevated hs-CRP!??


Hello, doctor.
I am a patient with SLE, and during my recent follow-up visit, my blood test showed a high hs-CRP level of 40.
However, the doctor did not mention it specifically, and I am a bit concerned.
What does this value indicate? Is it related to cardiovascular disease?

julia, 30~39 year old female. Ask Date: 2019/12/09

Dr. Gao Jiankai reply Internal Medicine


Hello, thank you for your question.
hs-CRP does have units, and I believe the value of 40 is in mg/L, which is still considered elevated.
There are many reasons that can cause hs-CRP to be elevated, including infections such as dental pain, diarrhea, colds, or recent surgery.
Therefore, you might want to consider if you had any of these issues on the day your blood was drawn, as they could lead to a temporary increase in hs-CRP levels.
If none of these apply, you may want to ask your physician, as they might have overlooked explaining this to you.
Elevated hs-CRP is indeed associated with cardiovascular diseases, but this requires long-term monitoring of hs-CRP changes rather than relying on a single data point, so please try not to worry too much.
The Allergy, Immunology, and Rheumatology Department of Changhua Hospital, Ministry of Health and Welfare, is concerned about you.

Reply Date: 2019/12/09

More Info


High levels of high-sensitivity C-reactive protein (hs-CRP) in patients with systemic lupus erythematosus (SLE) can be concerning, and it’s understandable that you would have questions about what this means for your health. An hs-CRP level of 40 mg/L is indeed elevated and indicates a state of inflammation in the body. However, it is important to interpret this value in the context of your overall health and any accompanying symptoms.

First, it is crucial to understand that hs-CRP is a marker of inflammation. Elevated levels can be caused by a variety of factors, including infections, autoimmune diseases, and chronic inflammatory conditions. In the case of SLE, which is an autoimmune disorder characterized by widespread inflammation, elevated hs-CRP levels can reflect disease activity. However, it is also possible that other factors, such as an acute infection or even recent surgery, could contribute to a temporary increase in hs-CRP.

Regarding your concern about cardiovascular disease, it is true that high hs-CRP levels have been associated with an increased risk of cardiovascular events. In the general population, elevated hs-CRP can indicate a higher risk of heart disease, but this relationship is more complex in patients with SLE. SLE itself is a risk factor for cardiovascular disease due to the chronic inflammation associated with the condition. Therefore, while an elevated hs-CRP level may raise concerns about cardiovascular health, it should be interpreted alongside other risk factors, such as your medical history, lifestyle, and the presence of other inflammatory markers.

It is also important to note that a single measurement of hs-CRP should not be used in isolation to make clinical decisions. Monitoring hs-CRP levels over time can provide more insight into your inflammatory status and how it correlates with your SLE activity. If your hs-CRP levels remain elevated, your healthcare provider may consider further evaluation to determine the underlying cause and whether any adjustments to your treatment plan are necessary.

In your case, since your doctor did not address the elevated hs-CRP level during your visit, it would be advisable to bring this up at your next appointment. You can ask your doctor about the significance of your hs-CRP level in relation to your SLE and whether any additional tests or monitoring are warranted. It is essential to have open communication with your healthcare provider about your concerns and any symptoms you may be experiencing.

In summary, while a high hs-CRP level can indicate inflammation and may be associated with an increased risk of cardiovascular disease, it is essential to consider this value in the broader context of your health. Regular monitoring and communication with your healthcare provider will help ensure that any potential issues are addressed promptly and appropriately. If you have any additional symptoms or concerns, do not hesitate to discuss them with your doctor, as they can provide personalized guidance based on your specific situation.

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