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Table 2 Clinical End Points

From: Analysis of changes in “mitral valve reserve” after coronary artery bypass grafts in patients with functional mitral regurgitation

End Point

Baseline

(N = 104)

6 months

(N = 100)

1 year`

(N = 100)

P Value

AL straight length - mm

23,15 + 2,8

22,9 + 3,3

22,5 + 3,5

p = 0,6

PL straight length*,**,*** – mm

11,23 + 2,5

12,85 + 3,5

14,03 + 3,5

p < .0001

Mitral valve reserve*,**,***

2,24 + 0,95

1,91 + 0,60

1,69 + 0,50

p < .0001

Mitral anulus – mm*,**

37,7 + 4,6

35,4 + 3,9

34,6 + 3,3

p = 0,008

Coaptation Depth, mm

3,6 + 1,5

4,6 + 1,2

4,4 + 1,2

P =.01

LVEF - %*,**,***

44,0 + 11

47,6 + 10,1

50,2 + 8,9

P < .0001

LVESV index – ml/m2

30,7 + 16,6

28,2 + 14,1

24,4 + 8,4

p = 0,069

LEDV index – ml/m2

63,6 + 6,2

57,82 + 5,2

54,78 +3,9

p= 0,094

no MR degree – %

0 (0%)

10 (10%)

24 (24%)

 

Mild MR Degree - % -

65 (62,5%)

60 (60%)

76 (76%)

 

Moderate MR degree -%_

39 (37,5%)

30 (30%)

0 (0%)

 

VC width*,**,*** - mm

3,6 + 1,9

2,2 + 0,9

1,5 + 0,3

p < .0001

  1. AL denotes anterior leaflet, PL posterior leaflet, LVEF left ventricular ejection fraction, LVESV index left ventricular end-systolic volume, VC Vena Contracta
  2. *baseline vs. 6 months p< .05
  3. ** baseline vs. 12 months p< .05
  4. ***6 months vs. 12 months p< ,05