Chordal forces | Post dilation | Flexible annuloplasty ring | Rigid annuloplasty ring | P value post dilation versus flexible annuloplasty ring | P value post dilation versus rigid annuloplasty ring | P value flexible versus rigid annuloplasty ring |
---|---|---|---|---|---|---|
Rate of change of force (N/s) | 8.6 ± 5.9 | 7.1 ± 3.4 | 9.8 ± 5.8 | 0.02 | 0.01 | 0.0001 |
Peak force (N) | 0.7 ± 0.6 | 0.6 ± 0.5 | 0.7 ± 0.5 | 0.01 | 0.35 | 0.01 |