The outcomes of reoperation for congenital mitral valve diseases in children

The reoperation of the MV in children with congenital MV diseases poses a formidable challenge, manifested by a high postoperative mortality rate and re-intervention rate. Patiently and meticulously repair based on the types of MV disease has demonstrated the capacity to enhance and sustain stable valve function and cardiac function in the vast majority of children. The use of the double-orifice MV technique did not achieve ideal therapeutic results in children with complex valve lesions.