Table 2.
The surgical results and the comparison between pre-measured length and actual length of neochordae
| TEE pre-measurement group | Direct measurement group | P-value | |
|---|---|---|---|
| Time of CPB (min) |
113.0 ± 18.7 |
127.0 ± 28.9 |
0.045 |
| Time of ACC (min) |
70.0 ± 16.6 |
86.0 ± 20.7 |
0.000 |
| Number of artificial chordae |
2.0 ± 0.8 |
1.7 ± 0.6 |
0.131 |
| Pre-measured neochordae length of anterior leaflet(mm) |
21.3 ± 2.8 mm |
|
0.608 |
| Actual neochordae length of anterior leaflet(mm) |
20.8 ± 2.3 mm |
|
|
| Pre-measured neochordae length of posterior leaflet(mm) |
20.0 ± 2.1 mm |
|
0.385 |
| Actual neochordae length of posterior leaflet(mm) |
19.5 ± 2.0 mm |
|
|
| Moderate or severe MR during follow-up | 1 (3.8%) | 4 (18.2%) | 0.252 |
TEE transesophageal echocardiography, CPB cardiopulmonary bypass, ACC aortic cross clamp, MR mitral regurgitation.