At long-term follow up of mothers, the mitral valve area was 1.78 + / - 0.26 cm2; transmitral valve gradient was 6.48 + / - 3.09 mmHg; none had restenosis; the total event-free survival rate was 70% at 80 months.
Theo dõi lâu dài ở những bà mẹ, MVA là 1,78 + / - 0,26 c m2; MVG là 6,48 + / - 3,09 mmHg; không có tái hẹp; tỉ lệ sống không biến cố 70% ở 80 tháng.