Research Article

[Retracted] Clinical Study on Long-Term Sinus Reversion Rate and Left Atrial Function Recovery of Mitral Valve Disease with Atrial Fibrillation under Modified Surgical Radiofrequency Ablation

Table 1

Comparison of left atrial structure and ejection fraction before and 6 months after operation.

Before operation6 months after operationNormal group

Anteroposterior diameter (mm)51.2 ± 9.245.0 ± 8.3 ()36.8 ± 3.4
Superoinferior diameter (mm)71.7 ± 12.459.7 ± 10.0 ()48.0 ± 4.9
Left-right diameter (mm)53.6 ± 15.049.2 ± 8.9 ()37.2 ± 3.1
LAEF (%)19.15 ± 7.926.1 ± 8.4 ()55.9 ± 7.2