Cingular Echocardiography Results After Valve Surgery (n=198)
| Type | Mean EOA at 1 month postoperatively （cm2） | Mean EOA of 1-year follow-up after surgery（cm2） | Mean EOA at 2 years of follow-up postoperatively（cm2） | |
|---|---|---|---|---|
| 19mm | Aortic valve | 1.67(n=20) | 1.61(n=19) | 1.65(n=18) |
| 21mm | Aortic valve | 1.82 (n=40) | 1.81 (n=39) | 1.80 (n=39) |
| 23mm | Aortic valve | 2.05 (n=64) | 1.94 (n=61) | 2.01 (n=60) |
| 25mm | Aortic valve | 2.29 (n=33) | 2.24 (n=32) | 2.29 (n=31) |
| 25mm | Mitral valve | 2.21 (n=12) | 2.13 (n=12) | 2.16 (n=12) |
| 27mm | Mitral valve | 2.38 (n=33) | 2.14 (n=34) | 2.25 (n=33) |
| 29mm | Mitral valve | 2.30 (n=3) | 2.07 (n=3) | 2.23 (n=3) |
