Total Anomalous Pulmonary Venous Drainage (TAPVD), also known as Total Anomalous Pulmonary Venous Return (TAPVR), is a rare congenital heart defect in which the pulmonary veins do not connect normally to the left atrium of the heart. Instead, oxygen-rich blood from the lungs returns to the right side of the heart through abnormal pathways, causing mixing of oxygenated and deoxygenated blood.
Early diagnosis and timely surgical correction are essential to ensure normal blood circulation and prevent life-threatening complications. Our specialized congenital heart surgery team provides advanced diagnosis, comprehensive treatment, and expert surgical care for newborns, infants, children, and adults with TAPVD.
In a healthy heart, pulmonary veins carry oxygen-rich blood from the lungs directly to the left atrium. In TAPVD, all pulmonary veins connect abnormally to veins leading to the right atrium instead of the left atrium.
As a result:
TAPVD requires surgical correction and is considered a critical congenital heart defect.
Symptoms often appear shortly after birth and may include:
In obstructed TAPVD, symptoms may be severe and require emergency treatment.
The exact cause of TAPVD is not fully understood. It develops during fetal heart formation and is present at birth. Certain genetic and developmental factors may contribute to congenital heart defects, although most cases occur without a known cause.
Accurate diagnosis is essential for planning treatment. Diagnostic evaluations may include:
Advanced imaging helps determine the type of TAPVD and whether pulmonary venous obstruction is present.
Surgery is the definitive treatment for TAPVD and is usually performed soon after diagnosis.
The procedure is performed under cardiopulmonary bypass by an experienced congenital heart surgeon.
Most children recover well after successful surgery. Recovery typically involves:
Long-term outcomes are excellent when surgery is performed early and followed by regular cardiac evaluations.
With modern surgical techniques and specialized congenital heart care, most patients lead healthy and active lives after TAPVD repair. Regular follow-up with a congenital heart specialist helps monitor heart function and detect any potential complications.
Our goal is to provide safe, effective, and compassionate care for children and adults living with congenital heart disease.