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Table 2 Departure site of the mitral valve, loop set count, planned and actually used ring sizes, changes in surgical plan, and residual postoperative MR

From: Transesophageal echocardiography in robot-assisted mitral valve repair for Barlow’s disease: usefulness for predicting artificial ring size and artificial chordae length using the loop technique

Cases

Prolapse site

Suggested loop (set)

Suggested AC length (Pm/Al)

Ring size suggested/implanted

Difference between suggested and implanted

Residual MR

1

P1P2

4

13/17

34/34

-

-

2

A1P1

4

17/19

34/34

-

-

3

A3P3Pcom

6

16/18

32/32

3-mm extension of artificial chordae

-

4

P1P2P3

8

20/21

35/35

-

-

5

A1A2

8

21/24

35/35

-

Mild

6

A1A2A3

6

20/22

30/30

-

-

7

A2A3P2P3

6

20/21

32/30

Changed ring size

-

8

A2A3P2P3

4

21/-

35/33

Changed ring size, one additional 19-mm artificial chord

-

9

P1P2P3

8

20/20

32/32

-

-

10

P1P2P3

8

20/20

36/36

-

-

  1. Each case: mm
  2. Abbreviations: A anterior leaflet; P posterior leaflet; Com commissure; AC artificial chordae; Pm posteromedial papillary muscle; Al anterolateral papillary muscle; MR mitral regurgitation