Overview

Congenital heart disease refers to a group of structural heart abnormalities that are present at birth. These defects can affect the heart's walls, valves, or blood vessels, leading to impaired blood flow and potentially compromising the heart's ability to pump blood effectively. Congenital heart disease can vary in severity, from minor defects with minimal impact on health to complex conditions requiring surgical intervention. It is typically diagnosed during infancy or childhood, although some cases may go undetected until adulthood.

Symptoms of Congenital Heart Disease

Let's see some common symptoms of congenital heart disease:

Symptoms in newborns

- Difficulty in breathing
- Chest pain
- Sudden decline in weight
- Blueness (cyanosis)
- Difficulty in feeding

A baby with these problems will need to be seen by a specialist, a paediatric cardiologist. In many cases, the symptoms take a year to develop after the birth, it includes:

- Dizziness
- Irregular heart rhythms
- Extreme fatigue
- Difficulty in breathing
- Fainting & swelling

Causes of Congenital Heart Disease

The exact causes of congenital heart disease are often unknown. However, certain factors and conditions can increase the risk of developing these heart abnormalities.

- Genetic factors- Some congenital heart diseases are caused by gene mutations or chromosomal abnormalities inherited from parents.
- Environmental factors- Exposure to certain substances or conditions during pregnancy, such as certain medications, infections (like rubella), or alcohol or drug abuse, can increase the risk.
- Maternal health conditions- Maternal conditions like diabetes, obesity, or certain autoimmune diseases can contribute to developing congenital heart defects in the baby.
- Chromosomal disorders- Certain genetic disorders, such as Down syndrome or Turner syndrome, are associated with an increased risk of congenital heart disease.
- Family history- Having a close family member with a congenital heart defect increases the risk of having a baby with a similar condition.

It's important to note that the cause of congenital heart disease remains unknown in many cases. Research is ongoing to understand better the factors involved in developing these heart abnormalities.

Risk Factors for Congenital Heart Disease (CHD)

Certain risk factors have been identified. These include:

- Genetics
- Maternal illness or drug use during pregnancy
- Poor maternal nutrition
- During pregnancy, suffering from German measles (or rubella) increases the risk of developing congenital heart disease (CHD).
- Environmental factors
- High blood sugar levels or poorly controlled blood sugar levels in the first trimester can affect the development of the baby's heart during pregnancy.
- Smoke or drink alcohol during pregnancy.

How to Diagnose Congenital Heart Disease?

To diagnose congenital heart disease, doctors may perform various tests, including.

- Electrocardiogram (ECG) - With ECG, doctors find the irregular heartbeat pattern through which they know about any congenital heart disease. This imaging test helps in identifying structural abnormalities.
- Pulse oximetry - This test measures the amount of oxygen in the blood. By performing this test, doctors learn about the working efficiency of the patient's heart.
- Echocardiogram - Doctors use sound waves or ultrasound to get a detailed image of a working heart in this test. It detects irregular rhythms in the heart.
- Chest X-ray - This test helps doctors to find any changes in the shape and size of the lungs and heart.
- MRI - This test uses the magnetic field to create detailed images of the heart and chest.

Treatment Options for Congenital Heart Disease

The treatment options consist of appropriate medications and other procedures. Let us see what these are:

Medications

Medications such as diuretics or beta-blockers may be prescribed to manage symptoms such as shortness of breath or palpitations. These include medications to regulate heart rhythm, control blood pressure, or improve heart contractions.

Catheter-based procedures

In some cases, minimally invasive procedures can be performed using a catheter inserted through a blood vessel. These procedures may involve balloon dilation to open narrowed valves or blood vessels, closure of abnormal openings, or placement of stents to improve blood flow.

Surgery

In extreme cases, doctors prescribe surgery to treat congenital heart diseases. It is often necessary for more complex congenital heart defects. These surgical procedures can range from minimally invasive surgeries to open-heart surgeries such as,

- Open-heart surgery
- Implantable heart devices
- Catheter-based treatments
- Heart transplant

Surgery typically aims to repair or replace damaged heart valves or vessels and improve blood flow through the heart. With proper treatment and monitoring, many individuals with congenital heart disease can lead healthy and fulfilling lives.

Cardiac rehabilitation

After treatment, cardiac rehabilitation programs can help improve physical fitness, monitor progress, and provide education and support for individuals with congenital heart disease.

When to Consult a Doctor

You can also get in touch with the expert cardiology doctors at Narayana Healthcare based in your city to get immediate attention and medical support during injuries, health disorders or any other health concern.

Conclusion

People with congenital heart disease need lifelong care from a doctor specialising in treating adult congenital heart disease. Depending on their condition, they will need regular checkups, medications or surgery. Proper treatment and life-long follow-up can help patients to manage congenital heart disease.

References

- https://www.mayoclinic.org/diseases-conditions/adult-congenital-heart-disease/symptoms-causes/syc-20355456
- https://www.narayanahealth.org/congenital-heart-disease
- https://www.healthline.com/health/congenital-heart-disease