How common is PDA in adults?

How Common Is PDA in Adults?

Patent ductus arteriosus (PDA), a condition where a blood vessel in the heart fails to close after birth, is most often detected and treated in infancy. Because of this, it’s rare to see PDA diagnosed for the first time in adulthood. In most cases, the telltale heart murmur or symptoms like fatigue and shortness of breath prompt medical evaluation early in life, leading to timely closure—either through medication or a minor procedure.

When PDA goes unnoticed or untreated in childhood, it can persist into adulthood—though this is uncommon. These late diagnoses often happen incidentally, such as during a routine check-up or when investigating unrelated heart symptoms. Adult patients with an undetected PDA may experience complications over time, including heart enlargement, pulmonary hypertension, or even heart failure if left unmanaged.

Advances in pediatric cardiology have dramatically reduced the number of adults living with PDA. However, for those who do reach adulthood without a diagnosis, treatment is still effective. Minimally invasive techniques, like catheter-based closure, offer excellent outcomes with quick recovery times.

While rare, PDA in adults is not unheard of—especially in regions with limited access to early cardiac screening. That’s why awareness matters. Adults experiencing unexplained fatigue, frequent respiratory infections, or palpitations should consider a cardiac evaluation. Even if symptoms seem mild, catching a long-standing PDA can prevent serious complications down the line.

In short, PDA in adults is uncommon but possible. Thanks to modern medicine, most cases are caught early. But for the few who slip through the cracks, timely diagnosis and treatment in adulthood can make all the difference.