Surgical Treatment and Follow-Up
Of the 8 cases, 1 patient was not submitted to surgery due to the lack of clinical symptoms and discharged home with follow up. 3 cases only performed cystectomy because of no combined deformity. 1 case had infective endocarditis of mitral valve, 1 case had extensive adhesion of mitral valve and left ventricular outflow tract obstruction, and all these 2 cases underwent mitral valve replacement.1 case had a ventricular septal defect and secundum atrial septal defect, 1 case had endocardial cushion defect and these 2 cases underwent cystectomy and congenital heart disease correction. These 7 cases of operation were confirmed by pathology. All the patients had good prognosis, no recurrence occurred after the operation.