Dear Capribex,
Ventricular septal defect (VSD) is a hole in the wall between the two lower chambers of the heart, the ventricles. Without evaluating your child myself, I cannot say for sure what is happening and what his prognosis is. However, it appears that he has 2 VSDs that are quite small. These likely have an excellent chance of spontaneously closing by age 1 year. As well, he is likely to have no symptoms associated with them. But, sometimes echocardiography can underestimate the size of the defects, so we like to have the patients come back at least at age 2 months for another examination. Typically by that time, there have been some changes in the heart and lungs that can unmask symptoms, if the baby has defects that are large enough to allow them to happen. These symptoms, which are symptoms of congestive heart failure (CHF), include getting out of breath or getting sweaty with feeds. If your son is not having these symptoms, it is likely that these defects are small enough to limit the amount of blood recirculating across these holes. We typically do not see symptoms of CHF until the defects are at least 4 mm, or more, in diameter, although this also depends on the size and age of the infant (such as if they’re premature).
Thus, if he remains without symptoms, he should do well. Finally, even if the defects do not close but are small, he should do well and not have complications. There would be a slightly increased risk for an infection of the heart, so good lifelong oral hygiene would be important to prevent this. As well, if one or both of the defects is just below the aortic valve, he will need continued observation to make sure that the valve does not get distorted and start to leak.
Forgot to mention... He was born exactly on the due date (full pregnancy) and with weight 3.336 kg.