Have you ever heard of MELAS Syndrome? Probably not. Because it is a rare condition, meaning it is not seen very often. But it is very important to be aware of it. Because it can affect our nervous system, muscles, and other important parts of the body. Today, we will talk about it in detail, very simply, in a way that you can understand.
What is MELAS Syndrome? Let's understand it simply!
Simply put, MELAS Syndrome is a condition that occurs when the tiny parts inside our cells called
mitochondria don't work properly. Think of it like these little power plants that make energy for our cells. When these power plants don't work properly, the whole body feels it. The word MELAS is formed by combining several key features of this disease:
- Mitochondrial encephalomyopathy: This refers to a disease affecting the brain and muscles related to mitochondria .
- Lactic acidosis: This is when a chemical called lactic acid builds up in our body. Normally, lactic acid is produced as a byproduct when we use the carbohydrates we eat to make energy, but in this disease, it builds up in excess.
- Stroke -like episodes: This is the most common. They appear to have symptoms similar to a stroke , but are not actually a stroke. These can occur repeatedly.
This is
a genetic condition , meaning it's something we're born with. But symptoms usually start a little later. Most people start showing symptoms in their 20s or earlier. But for some people, these symptoms can appear even earlier, like two years later, and for others, even after the age of 40.
How common is this condition?
MELAS Syndrome is not a very common condition. It is estimated that about
one in 4,000 people is affected by this condition. Although it can affect anyone, the special thing is that
this disease is only inherited from the mother. It is not passed on from the father to the child.
What are the symptoms of MELAS Syndrome?
As we mentioned earlier, since mitochondria are found in almost every cell in our body, MELAS Syndrome can affect any organ or tissue. As a result, symptoms can vary greatly from person to person. However, for many people, the symptoms are not severe enough to cause neurologic symptoms.
Diabetes Mellitus and hearing loss can be seen. This is also a small hint to think about this disease. These are mainly caused by stroke-like episodes. Here are some things that can happen:- There are sudden changes in behavior .
- The mind becomes confused , unable to understand what is happening.
- Feeling dizzy or losing balance .
- One part of the body, for example an arm or leg, becomes paralyzed (paralysis) .
- It feels like numbness or tingling on one side of the body.
- Headaches come and go, and sometimes there may be changes in vision or speech .
- The fit is coming ( seizures ) .
- Slurred words , difficulty speaking.
- Vision problems occur – double vision or complete loss of vision.
- Feeling weakness on one side of the body.
If you experience one or more of these symptoms at once, don't ignore them. It's best to seek medical advice immediately.
Symptoms affecting other parts of the body
In addition to brain-related symptoms, this disease can also affect other parts of the body.- Short stature – Some people may be shorter than average.
- Repeated episodes of vomiting .
- Abdominal pain .
- I feel very tired , like I don't have the energy to do anything.
- Muscle cramps , which is a feeling like the muscles are twitching.
Why does MELAS Syndrome occur? What is the cause?
The main reason for this is certain changes in our genes (genetic variations) . You know, the instructions that all our cells need to work are in our DNA . If there is any change, or mutation, in this information store called DNA, the cells cannot function properly. The same thing happens in MELAS Syndrome. The important thing is, if you have MELAS Syndrome, you inherit that genetic variation from your mother.This is caused by a change in the DNA in the mitochondria. Who is most at risk for this?
The main risk factor for this disease is family history . This means that if the mother or a relative on the mother's side has this disease, there is a certain risk that the children will also develop it. What are the possible complications of MELAS Syndrome?
MELAS Syndrome is not something that just shows a few symptoms and stops. It can lead to further complications , that is, additional health problems.- It can lead to intellectual disability and possibly dementia .
- Diabetes (Diabetes Mellitus) .
- Hearing problems , possibly even complete hearing loss.
- Muscle issues – things like muscle spasms and loss of muscle control.
- Gait and balance issues .
- Loss of vision .
- Liver problems .
Complications like these make living with this disease a challenge. How do doctors diagnose this?
If you have these symptoms, a doctor will first ask you about your symptoms and whether anyone in your family has had these conditions (medical history). Then they will order various tests. Diagnostic tests:
- Genetic tests: This is what determines exactly whether the genetic variation is present.
- Imaging tests: For example , an MRI (Magnetic Resonance Imaging) scan can be done to look at the condition of the brain. This can also check for brain damage caused by conditions similar to a stroke.
- Cerebrospinal fluid, urine, and blood tests: These can check things like lactic acid levels.
- Muscle biopsy: Sometimes, if necessary, a small piece of muscle is taken and examined under a microscope to see if there are any changes in the mitochondria.
What are the treatments for MELAS Syndrome?
Unfortunately, there is currently no cure for MELAS Syndrome. This means that there is no permanent cure. However, there are treatments that can help control the symptoms and improve the quality of life . Doctors try to reduce the impact of these symptoms. Medications for symptoms:
Your doctor may suggest medications like these:- Antiseizure medications: However, the seizure medication valproate is not suitable for these patients, so doctors will prescribe another suitable medication.
- Coenzyme Q10 or L-carnitine: These are vitamin-like substances that are believed to increase energy production in mitochondria and slow the progression of the disease.
- L-arginine and L-citrulline: These are amino acids. Research has shown that they can help reduce the frequency of stroke-like episodes and reduce the damage they cause to the brain.
- Insulin or Metformin: If you have diabetes, these medications can be given to control it.
- Vaccines: People with MELAS Syndrome should get their childhood vaccinations as soon as possible. It is also important to get the COVID-19 vaccine, flu vaccine, and pneumonia vaccine every year, as infections can make their condition worse.
Non-drug treatments:
In addition to medications, the doctor may also suggest things like:- An exercise routine to strengthen muscles and maintain function.
- If you have hearing loss, you can get help from devices like cochlear implants .
If I have MELAS Syndrome, what should I expect?
Because this is an incurable disease, you will have to manage the condition for the rest of your life . It is not easy, but it can be done with proper medical advice and support. Because this disease can affect any organ or tissue in the body, you may need the help of a team of healthcare providers . For example:- Neurologists
- Geneticists
- Cardiologists
- Physical therapists – for muscle and joint function
- Occupational therapists – people who help people perform everyday tasks more easily
- Speech therapists – for speech difficulties
- Social workers – for psychological and social support
Additionally, joining a support group can be a great help for you and your family. In such groups, you can share experiences, gain information, and gain emotional strength from others who are facing similar situations. How long can you live with MELAS Syndrome?
This is a question that many people ask. It is difficult to give a precise answer to the question "How long can someone with MELAS Syndrome live?". This is because it varies greatly from person to person. Some people have fewer symptoms, some have more. Responses to treatment also vary. Even within the same family, the nature of the symptoms and the rate of progression of the disease can vary. However, we need to understand the truth. MELAS Syndrome is a disease that can be fatal in some cases. That means it can even be life-threatening. That is why it is important to be well-informed about this disease and manage it as best as possible. Can this be prevented?
Unfortunately, there is currently no way to prevent MELAS Syndrome because it is a genetic condition. However, if someone in the family has a hereditary condition like this, it is very important for those in that family to meet with a genetic counselor and seek advice. They can provide information about the risk of future children inheriting this disease and what steps can be taken to prevent it. How do I take care of myself as someone with MELAS Syndrome?
If you have MELAS Syndrome, it is very important that you take good care of yourself.- Follow your doctor's instructions exactly. Go to the clinic on time, take the prescribed medication exactly. The doctor will probably tell you to see him at least once a year.
- Certain tests will need to be performed annually . For example:
- Heart condition
- Blood sugar levels
- Hearing
- Eyes
- You should completely stop drinking alcohol and smoking, as these things can further damage mitochondria.
- Get your annual flu shot, pneumonia shot, and other shots recommended by your doctor on time.
What questions should I ask my doctor?
It's normal to feel overwhelmed when you hear that you or your child has a mitochondrial disease. You may not have even heard of mitochondria before. That's why it's important to get clear information about MELAS Syndrome and what it means to have it. Ask your medical team about all this. Never be afraid to ask questions. Here are some questions you can ask:- "What are the symptoms or signs that indicate an approaching medical emergency?"
- "If something like that happens, should I call the doctor or go straight to the emergency room?"
- "Are there any special food plans that can help with this condition?"
- "What medications or treatments do you recommend for me? What are the possible side effects?"
- "Does my family need to undergo genetic counseling?"
- "Am I eligible to participate in clinical trials?"
- "Can you suggest a support group that I and my family can attend?"
Ask all the questions you need and get the answers you need. Get as much support as you need from your doctors, family, and friends. Feeling supported, and actually receiving support, can make a big difference in this journey. Things we need to remember from this (Take-Home Message)
Okay, so let's recap some of the most important points we've discussed today:- MELAS Syndrome is a rare but serious genetic condition that results from the malfunctioning of the mitochondria, the energy-producing cells in our cells.
- It mainly affects the nervous system and muscles. The main symptoms are stroke-like conditions and the accumulation of lactic acid in the body.
- This disease can be inherited from mother to child.
- Although there is currently no complete cure, there are treatments to manage symptoms and improve quality of life.
- The support of a specialist medical team, family support, and support groups are very important when living with this disease.
- Never hesitate to ask questions, seek information, and get the help you need.
MELAS Syndrome can be scary when you hear the name. However, the most important thing is to be well-informed, follow medical advice, and face this condition with a positive attitude. Always remember that you are not alone. MELAS syndrome, mitochondria, genetic diseases, lactic acidosis, stroke-like symptoms, nervous system, muscle diseases
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