Graft replacement for huge aneurysm of the main pulmonary artery

We present 2 cases of huge aneurysm of the main pulmonary artery without significant pulmonary artery hypertension or intracardiac shunt. Both patients underwent surgery where resection of the aneurysm and graft replacement, using Hemashield prosthesis (Meadox Medicals, Oakland, NJ), was performed. They are now leading normal lives without any symptoms.