Multiple sclerosis is a chronic disease that affects the central nervous system. Learn about its causes, symptoms, and treatments.

What is multiple sclerosis?

Multiple sclerosis (MS) is a chronic neurological disease that affects the central nervous system, including the brain and spinal cord. It is an autoimmune disease, which means that the immune system mistakenly attacks healthy nerve tissue. As a result, myelin sheaths - protective layers that cover nerve cells and ensure the conduction of electrical impulses - are damaged. Myelin acts as an insulator and allows the rapid transmission of nerve impulses, but when myelin is damaged, the transmission is disrupted or even stopped. This causes a diverse set of symptoms that can vary from patient to patient depending on which area of ​​the brain or spinal cord is affected.

MS affects about 2.5 million people worldwide and usually develops between the ages of 20 and 40. In this article, we will look at the nature of multiple sclerosis, its causes, symptoms, diagnostic methods and available treatment options.

Types of multiple sclerosis

There are several types of multiple sclerosis, each with unique signs and symptoms:

1. Relapsing-remitting multiple sclerosis (RRMS): the most common type, accounting for about 85% of all cases of multiple sclerosis. It is characterized by relapses - flare-ups, when symptoms worsen, and periods of remission, when symptoms decrease or disappear.
2. Primary progressive multiple sclerosis (PPMS): about 10-15% of patients have this type, which is characterized by a constant worsening of symptoms from the very beginning of the disease without periods of remission.
3. Secondary progressive multiple sclerosis (SPMS): This type usually develops in patients who previously had RRMS. It is characterized by a gradual worsening of symptoms, even when there are no longer severe flare-ups.
4. Progressive-relapsing multiple sclerosis (PRMS): a rare form of multiple sclerosis that combines signs of constant progression with periodic flare-ups.

Causes and risk factors of multiple sclerosis

The exact causes of multiple sclerosis are still not fully understood, but several factors are believed to play a role in its development:

1. Autoimmune process: MS is an autoimmune disease where the immune system attacks myelin, resulting in nerve damage. It is hypothesized that this autoimmune response may be triggered by environmental factors.
2. Genetics: MS is not exactly an inherited disease, but genes play a role in its development. People who have first-degree relatives with MS are at increased risk of developing the disease.
3. Environmental factors: Certain environmental factors, such as vitamin D deficiency and viral infections (such as Epstein-Barr virus), are thought to increase the risk of developing MS.
4. Gender: Women are diagnosed with MS approximately 2-3 times more often than men, suggesting a possible link to hormonal factors.
5. Smoking: studies show that smoking can increase the risk of developing MS and worsen the course of the disease.

What are the symptoms of multiple sclerosis?

The symptoms of MS are extremely diverse and can vary depending on the location of the damage in the central nervous system. Some of the most common symptoms include:

1. Fatigue: one of the most common symptoms of MS, which can be more severe than normal physical fatigue and can significantly limit daily activities.
2. Vision disorders: MS often causes inflammation of the optic nerve, which can cause blurred vision, pain when you move your eyes, or even temporary vision loss.
3. Muscle weakness and spasms: Nerve damage can cause muscle weakness, stiffness or spasms, which can affect gait and movement.
4. Sensory disturbances: patients often feel tingling, pins and needles or numbness in the extremities.
5. Balance and coordination disorders: MS can cause difficulties with balance and coordination, which can increase the risk of falling.
6. Urinary incontinence and bowel problems: Damage to the central nervous system can affect bladder and bowel function.
7. Cognitive dysfunction: some patients may have problems with memory, concentration and information processing.

It is important to consult a healthcare professional for any symptoms of multiple sclerosis, such as persistent fatigue, vision problems, muscle weakness, numbness or tingling in the extremities. Early diagnosis and initiation of treatment can help control the course of the disease more effectively and improve quality of life. When experiencing new outbreaks of symptoms or worsening of existing symptoms, seek medical attention immediately to avoid complications and receive the necessary treatment in a timely manner.

Diagnosis of multiple sclerosis

Diagnosing MS is usually challenging because symptoms can overlap with other diseases. However, several diagnostic methods can help confirm the diagnosis:

1. Magnetic resonance imaging (MRI): MRI is the most common method used to detect damage to the brain and spinal cord caused by multiple sclerosis.
2. Lumbar puncture (lumbar puncture): this method is used to obtain cerebrospinal fluid and check whether it contains proteins and antibodies that indicate an inflammatory process in the central nervous system.
3. Investigation of evoked potentials: this method measures the nerve's response time to stimuli to check if nerve pathways are damaged.

What are the complications of multiple sclerosis?

Multiple sclerosis can cause a number of serious complications, especially if it is not properly controlled. Some of the most common complications are:

1. Muscle stiffness and spasms: Long-term nerve damage can cause muscle stiffness and uncontrollable spasms, which can significantly limit mobility and contribute to muscle pain.
2. Cognitive problems: MS can cause a decline in memory, concentration, and problem-solving abilities, which can affect daily activities and work ability.
3. Depression and mental health problems: MS patients often experience depression and anxiety caused by both physical symptoms and emotional stress associated with the unpredictability and limitations of the disease.
4. Urinary tract infections: MS can cause bladder dysfunction, which can increase the risk of urinary tract infections because urine can build up in the bladder and fail to drain completely.
5. Mobility impairment and disability: Progression of MS can cause severe mobility impairments that may require patients to use assistive devices such as canes or wheelchairs.
6. Pressure ulcers: Patients who have long-term limited mobility may develop pressure ulcers, especially if it is not possible to change body position regularly.
7. Epilepsy: Although less common, some patients with MS may experience epileptic seizures because damage to the nervous system can cause abnormal electrical activity in the brain.

Effective symptom control and early treatment can help reduce the risk of these complications and improve quality of life. Therefore, regular collaboration with a neurologist and other specialists is very important for early detection of complications and their proper management.

Treatment and control of multiple sclerosis

Although multiple sclerosis is an incurable disease, there are several treatments that can help control symptoms and slow the progression of the disease:

New treatments for multiple sclerosis

In recent years, significant research has been carried out in the field of multiple sclerosis, and new treatment approaches have been developed:

1. Stem cell therapy: this approach uses the patient's own stem cells to regenerate damaged nerve tissue and improve the functionality of the central nervous system. For example, a stem cell transplant can help promote the regeneration of myelin in damaged nerve fibers, thereby improving the transmission of nerve impulses and reducing the symptoms of the disease. This therapy is usually done in a controlled environment and involves harvesting stem cells from a patient's bone marrow or blood, processing them, and injecting them back into the body. Clinical trials are also being conducted that demonstrate the potential of stem cell therapy to reduce the risk of disability and improve long-term neurological function.
2. Immunotherapy: Several new types of immunotherapy are being studied that may significantly reduce MS flare-ups and symptoms. For example, monoclonal antibody therapies are being developed that specifically target certain components of the immune system to reduce inflammation and myelin damage. New vaccines are also being researched that can help train the immune system not to attack myelin. One such approach is anti-CD20 therapy, which destroys specific B cells involved in the autoimmune response in multiple sclerosis.

Everyday management of multiple sclerosis

Living with MS can be challenging, but there are several steps you can take to improve the quality of your daily life:

1. Regular physical activities: Exercise can improve muscle strength, flexibility and balance. An exercise program under the supervision of a physical therapist can be especially helpful.
2. Balanced diet: A healthy diet can help maintain overall health and improve energy levels. Some patients report that an anti-inflammatory diet, such as the Mediterranean diet, rich in fruits, vegetables, fish, and healthy fatty acids, can reduce MS symptoms. Foods high in omega-3 fatty acids (such as salmon, flaxseed), antioxidants (types of berries, green tea) and anti-inflammatory spices such as turmeric and ginger can be particularly helpful. Also, avoiding foods that can promote inflammation, such as refined sugar and processed foods (eng: processed food, ultra-processed food), may be useful.
3. Stress management: Stress can trigger MS flare-ups, so it's important to find ways to reduce stress. Relaxation techniques, meditation and yoga can help.
4. Support groups: Sharing with other patients facing similar challenges can provide emotional support and inspiration.
5. Medical supervision: regular visits to the neurologist and adherence to the treatment plan are important to control the course of the disease and reduce the risk of complications.

Early diagnosis and initiation of treatment can help control the course of the disease more effectively and improve quality of life. In case of outbreaks of symptoms or worsening of existing symptoms, you should immediately seek medical help to avoid complications and receive the necessary treatment in time.

Conclusion

Multiple sclerosis is a complex and unpredictable disease that can significantly affect a person's quality of life. Although there is no cure for MS, early diagnosis and a multidisciplinary approach to treatment can help control symptoms and improve the patient's daily life. It is important to maintain active collaboration with doctors, maintain a healthy lifestyle and use available support resources to achieve the fullest possible life despite the challenges of this chronic disease.

Additional resources

• Multiple sclerosis. Description and expert commentary (Source: Doctus)
• Multiple Sclerosis Clinical Guidelines (Source: Latvian Society of Neurologists)
• A numb nose can also be a precursor. How to recognize multiple sclerosis early? (Source: lsm.lv)