Truncus Arteriosus Surgery

Truncus Arteriosus is a rare congenital heart defect where instead of having two separate blood vessels (the aorta and the pulmonary artery), the baby is born with a single large vessel coming out of the heart.

This defect also usually includes a ventricular septal defect (VSD) – a hole between the two lower chambers of the heart. As a result, oxygen-rich and oxygen-poor blood mix together, leading to low oxygen supply throughout the body.

Why is Surgery Needed?

Without surgery, truncus arteriosus can cause:

Severe cyanosis (bluish skin due to lack of oxygen)

Breathing difficulties and fatigue

Heart enlargement and failure

High blood pressure in the lungs (pulmonary hypertension)

Risk of early death in infancy

How is Truncus Arteriosus Surgery Performed?

The surgery is performed under general anesthesia by a pediatric cardiac surgeon. The key steps are:

Closing the Ventricular Septal Defect (VSD)A patch is placed to separate oxygen-rich and oxygen-poor blood.

Separating the Pulmonary ArteriesThe pulmonary arteries are detached from the single large vessel.

Creating Two Outflow Tracts1. The large vessel is converted into the aorta, carrying oxygen-rich blood to the body. 2. A conduit (tube with a valve) is placed between the right ventricle and the pulmonary arteries to carry blood to the lungs.

Benefits of Truncus Arteriosus Repair

Restores normal circulation

Improves oxygen supply to the body

Prevents heart failure and lung damage

Enhances growth and development

Provides long-term survival and improved quality of life

Risks and Complications

As with any open-heart surgery, there are risks, including:

Bleeding or infection

Narrowing of the conduit or pulmonary arteries

Valve leakage or dysfunction

Arrhythmias (abnormal heart rhythms)

Need for additional surgeries as the child grows

Recovery After Surgery

Initial stay in the pediatric cardiac ICU for close monitoring

Hospitalization typically lasts 2 to 3 weeks

Medications may be needed to support heart function

Regular check-ups with a pediatric cardiologist are essential

The child may require conduit replacements as they grow

Conclusion

Truncus Arteriosus surgery is a complex but essential procedure for infants born with this rare congenital heart defect. Early diagnosis and timely surgical repair are crucial for survival and long-term health. At CureU Healthcare, we provide advanced pediatric cardiac care with expert teams dedicated to giving children the best possible start in life.