Sometimes, as parents, we get a little worried when we see a newborn baby's face or fingers positioned a little differently, don't we? At the same time, doctors also say that some babies have a "small hole in the heart." Today we are talking about a very rare genetic condition that combines several of these features and has been reported in only a very limited number of families in the world. This is called Char Syndrome in medical science. Don't be afraid, let's understand everything about this simply.
Why is this happening? What is the reason for this?
Simply put, every part of our body, every organ, has a set of instructions inside our bodies about how it should develop. We call these genes . So, this Cha syndrome is caused by a change, or mutation, in a particular gene called `TFAP2B`. This gene is what instructs a baby to make a protein that is needed for its face, limbs, and heart to develop properly when it is growing in the womb.
There are two main ways this situation can occur:
1. Heredity: A child born to a mother or father with Cha syndrome has a 50% chance of developing the condition. This means that the child can also inherit the defect in that gene.
2. De novo: Sometimes, even if no one in the family has the condition, a new mutation in the `TFAP2B` gene can occur by chance when a baby is conceived in the womb. Even then, the child can develop Cha syndrome.
What are the main symptoms of this?
Cha syndrome mainly affects three parts of the body: the face, hands, and heart. Let's look at these separately.
| Affected body part | Visible symptoms |
|---|---|
| Facial Features |
|
| Hand Features | The most common symptom seen in many people is a very short or absent middle finger . Although other limb variations have been reported, they are very rare. |
| Heart Condition | Many babies have a heart condition called Patent Ductus Arteriosus (PDA) . Simply put, when a baby is in the womb, there is a small connection between two of the main blood vessels that carry blood away from the heart. This will close on its own within a few days of birth. But in this case, the hole remains open. We call it a PDA. |
If left untreated, some babies with PDA can develop problems such as rapid breathing, difficulty feeding, and poor weight gain. In severe cases, this can even progress to heart failure.
How is this condition diagnosed?
If your doctor suspects this when examining your baby, he or she may refer you to a geneticist or genetic counselor.
There, a genetic test can definitively confirm whether there is a defect in the `TFAP2B` gene that causes this condition. For this, a blood sample, skin or hair tissue sample is usually taken.
After diagnosing the disease, the doctor may recommend several tests to further confirm the child's health:
- Dental checkup: Check for any problems with tooth development after age 3.
- An eye exam: Check for strabismus or vision problems.
- A hearing test: Check for hearing loss.
- Heart checkup: Check for PDA or other heart conditions.
- Physical examination: Check for other problems with the limbs.
- An examination of sleep problems and head shape and size .
If your child has this condition, it is very important to talk to your doctor about how often these tests should be done.
What are the treatments available?
First of all, these children do not require any special medical treatment for the changes in their faces or fingers. However, when the child gets a little older, there is a chance that they will be teased and bullied by other children at school or in society. Therefore, as parents, it is very important for us to be very attentive to this and help build the child's mental strength.
However, a PDA in the heart requires treatment. There are several main methods that doctors use to do so.
| Treatment method | A simple description |
|---|---|
| Medications | NSAIDs are used to close PDA holes in premature babies. However, this method is not effective in full-term babies, older children, or adults. |
| Surgery | The doctor makes a small incision between the ribs to reach the heart and closes the open hole with stitches or clips. |
| Catheter Procedure | This is a simpler procedure than surgery. A catheter (a thin, flexible tube) is passed through a blood vessel in the groin to the heart, and a small plug or coil is inserted through it to close the hole. |
| Watchful Waiting | Sometimes, if the PDA hole is very small and is not causing any other health problems, the doctor may decide to do nothing but monitor the condition by doing tests. |
Take-Home Message
- Cha syndrome is a very rare genetic condition. Don't be scared to hear about it.
- This mainly involves changes in the appearance of the face, hands (especially the little finger), and heart (PDA condition).
- If your doctor has any doubts, genetic testing can accurately diagnose this.
- While changes in the face and hands may not require treatment, a PDA condition in the heart often does.
- It is very important to have all the necessary medical tests for your child on time and follow the doctor's instructions.
- As parents, it is our responsibility to provide our children with good mental health as well as physical strength.
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