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Table 2 Chordal forces post dilation and after ring annuloplasty repair using flexible and rigid rings

From: Ex vivo biomechanical analysis of flexible versus rigid annuloplasty rings in mitral valves using a novel annular dilation system

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

  1. Data presented as mean ± standard deviation. Values in bold designate statistical significance