A patient with a patent ductus arteriosus (PDA) may have a number of complications over time, especially as the patient gets older.
Cardiopulmonary complications:
(1) Eisenmenger syndrome (with long-standing left-to-right shunt)
(2) pulmonary hypertension
(3) right heart failure
(4) endocarditis
(5) aneurysm formation
(6) aortic dissection
Other complications:
(1) necrotizing enterocolitis (in a neonate)
(2) recurrent laryngeal nerve impingement
