Do you have a persistent headache that is so severe that you can't stand it? Or do you suddenly feel dizzy and forget things? Sometimes we think that these things are just normal fatigue or stress and we just ignore them. However, behind these, we should be a little more careful, there may be a rare disease hidden behind them. Today we are going to talk about such a disease. That is CNS Vasculitis.
Simply put, what is CNS Vasculitis?
Imagine that our body is a big city. Then the main control room of this city is our Central Nervous System (CNS) . This includes our brain and spinal cord . Everything we do consciously (like reading this article with our fingers) and everything we do unconsciously (like breathing, heartbeat) is controlled from this control room.
This control room needs a constant supply of blood to function properly. This blood is supplied by a network of very fine blood vessels. CNS Vasculitis is a condition in which the blood vessels that supply blood to the brain and spinal cord become swollen, or inflamed . Just as a water pipe becomes clogged with rust and becomes swollen, it blocks the flow of water, when these blood vessels become swollen, it blocks the flow of blood to the brain. This can cause serious damage to brain function.
There are two main types of CNS Vasculitis:
Doctors divide this disease into two main parts. Understanding that will help you understand the disease better.
| Type of disease | What does this mean? |
|---|---|
| Primary CNS Vasculitis | In this case, the disease develops without the influence of any other medical condition, that is, on its own. No specific reason has yet been found as to why this occurs. |
| Secondary CNS Vasculitis | In this case, the disease develops as a side effect of another disease in our body. That is, it starts because of another disease. Often, other autoimmune diseases or some infections can cause this. |
What symptoms should you be concerned about?
The symptoms of this disease can vary from person to person. Also, since these symptoms are also seen in other diseases, there is no need to panic when you see them. However, if these symptoms persist, it is very important to see a doctor and seek advice.
| Symptom | A simple explanation |
|---|---|
| Severe, long-lasting headache | This is not like a normal headache. It's a severe headache that doesn't go away even with painkillers, and lasts for days or weeks. |
| Memory loss and confusion | Things that you remember well suddenly become forgotten. You can't remember where you are, what time it is, or your daily activities. |
| Numbness, unfamiliar sensations | Parts of the body, such as the hands, feet, and face, may feel numb, or it may feel like ants are running around. The way you feel touch may change. |
| Body weakness | Feeling as if one side or part of the body is going numb. Difficulty walking or lifting an arm. |
| Vision problems | Problems such as blurred vision and double vision may occur. |
| Seizures | Sudden loss of consciousness, convulsions. |
| Brain swelling (Encephalopathy) | This can cause changes in behavior and personality. You may suddenly become angry, agitated, or even lose consciousness. |
Complications that may occur due to this disease
In CNS Vasculitis, we say that blood vessels become swollen and the walls thicken, obstructing blood flow. If this condition is not controlled, it can cause serious damage to the brain and spinal cord, and even life-threatening complications can occur.
- Stroke: A stroke occurs when the blood supply to a part of the brain is completely cut off.
- Transient Ischemic Attacks (TIAs): These are also called "mini-strokes." They are temporary interruptions to blood flow, causing stroke symptoms to come and go for a short time. However, they can be a precursor to a major stroke.
- Brain Aneurysms: Swollen blood vessels become weak, swell like a balloon, and can suddenly burst. This is an emergency, life-threatening condition.
Very important: If you or someone you know shows signs of a stroke (drooping on one side of the face, inability to lift an arm, difficulty speaking), do not delay for a second. Take them to the nearest hospital Emergency Department (ETU) immediately.
Why does this kind of disease occur? (Causes)
CNS Vasculitis is an autoimmune disease . To understand this, let's take a small example. Imagine that there is a defense army in our body. That is our immune system . The job of this army is to fight germs (like viruses and bacteria) that enter the body from outside and protect us from diseases.
However, in an autoimmune disease, our own defenses are mistaken and start attacking our own healthy cells and tissues instead of foreign invaders. In CNS Vasculitis, this immune system attacks the blood vessels in the brain and spinal cord.
Causes of Secondary CNS Vasculitis
We say that the secondary type is caused by another medical condition. Here are some of the possible causes:
- Other autoimmune diseases: Diseases like lupus, Sjögren's syndrome, Behçet's syndrome.
- Viral infections: Things like Epstein-Barr virus (EBV), Varicella-zoster virus, which causes chickenpox.
- Bacterial infections: Infections such as tuberculosis and syphilis.
How does a doctor diagnose this disease?
Diagnosing this disease is a bit of a complicated process. Because the symptoms are similar to other common diseases, the doctor performs a process called "differential diagnosis." That is, he tests and confirms that it is not this disease, one by one, due to other common diseases that could cause these symptoms (e.g., migraine, epilepsy).
Your doctor will first examine you and ask you a detailed question about your symptoms. It's important to be specific about when your symptoms started, whether they come and go, and whether they get worse at certain times of the day.
After that, you can be directed to do some tests like this:
- MRI and CT scan: Take pictures of the brain and spinal cord to see if there is any swelling, damage, or abnormalities.
- Angiogram: A test that involves injecting a special fluid into the blood vessels and taking X-ray images to see how the blood vessels are, whether they are blocked or swollen.
- Biopsy: This is often done to confirm the diagnosis. A very small sample of brain tissue is taken and examined under a microscope to see if there is inflammation in the blood vessels.
- Lumbar Puncture / Spinal Tap: A small sample of the cerebral spinal fluid (CSF) surrounding the spinal cord is taken from the spine and checked for high white blood cell counts and signs of inflammation.
- Blood Tests: Check the blood for markers of inflammation in the body (such as ESR, C-reactive protein).
You may also be referred to a rheumatologist .
How is it treated?
The main goal of treating CNS vasculitis is to control inflammation in the blood vessels and stop damage to the brain and spinal cord.
Often, more than one type of medication is used for treatment:
1. Corticosteroids: These are powerful anti-inflammatory drugs. They help to quickly control the activity of the immune system. You may start with a high dose initially.
2. Immunosuppressants:These drugs work by controlling the overactive immune system and stopping it from attacking the body itself.
Although high doses of medication may be given initially, after a few months, when symptoms are under control, the doctor will gradually reduce the dosage. The ultimate goal of treatment is to bring the disease into remission . That is, a long period of time when symptoms are either completely absent or very mild.
If you have the secondary type, you will also need to treat the underlying disease that caused it (e.g. lupus).
How to live with this disease?
There is no cure for this disease yet. But that doesn't mean we should lose hope. With the right treatment, many people can remain symptom-free for months or even years, in remission.
CNS Vasculitis does not usually shorten life expectancy. However, if serious complications occur, such as stroke or aneurysm rupture, it can be life-threatening. That is why it is so important to diagnose the disease early and get proper treatment.
It's normal for anyone to be scared when they learn that they have a brain disease. But remember, with today's advanced medical science, this condition can be well managed. The most important thing is to talk openly with your doctor. Tell him everything you have, your concerns, your fears, and your changes in symptoms. Then he can develop the most suitable treatment plan for you.
Take-Home Message
- CNS Vasculitis is a rare but serious condition in which the blood vessels in the brain and spinal cord become swollen and inflamed.
- If symptoms such as unbearable headaches, memory loss, and physical weakness persist, seek medical advice.
- If you experience symptoms of a stroke (facial drooping, numbness in an arm, difficulty speaking), it is an emergency. Go to the hospital's Emergency Department (ETU) immediately.
- This is an autoimmune disease; that is, our own body's defense system mistakenly attacks us.
- With proper treatment, the disease can be controlled and patients can remain symptom-free (remission) for a long time .
- Staying in touch with your doctor and talking openly about your concerns is the best way to manage this disease.
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