Study Status: Completed
Recruit Status: Unknown status
Study Type: Observational
Official Title: Aortic Regurgitation After Surgical Repair of Outlet-Type Ventricular Septal Defect
Brief Summary: The major risk factors of aortic valve replacement in three outlet types VSD after surgical repair were the severity of preoperative AR and older operation age. For those patients with less than moderate degree AR preoperatively, AR progressed rarely and all in those with aortic valvar and subvalvar anomalies.