If PDA is left untreated, it can cause too much blood to flow through the heart, weakening the heart muscle and causing heart failure and other complications. It can also lead to an increased risk for bacterial heart infections. People with PDA usually develop heart problems sooner or later unless the PDA is closed.
Nash did really well with his first surgery, but the poor little guy hasn’t been himself since the procedure. With any surgery that the patient is knocked out and given narcotics, there is a lot of sleepiness and pain that follow.