| |
Mitral repair
|
Mitral replacement
|
|---|
| |
Preoperative (n = 112)
|
At discharge (n = 109)
|
Follow-up (n = 107)
|
Preoperative (n = 106)
|
At discharge (n = 102)
|
Follow-up (n = 99)
|
|---|
|
Follow-up duration (month)
|
48.1 ± 13.7
| | |
50.2 ± 14.4
| | |
|
NYHA class (Mean ± SD)
|
2.9 ± 1.0
|
1.5 ± 0.4 a
|
1.9 ± 0.5 a
|
2.8 ± 1.0
|
2.3 ± 0.7 a b
|
1.6 ± 0.4 a
|
|
NYHA class III or greater(n)
|
59(52.7%)
|
10(9.2%) a
|
21(19.6%) a
|
52(49.1%)
|
23(22.5%) a
|
11(11.1%) ac
|
|
LVEDD(mm)
|
66.29 ± 6.36
|
54.01 ± 5.15 a
|
49.01 ± 4.57 a
|
65.35 ± 6.29
|
62.14 ± 5.06 a b
|
50.22 ± 4.35 a
|
|
LVESD(mm)
|
50.21 ± 11.08
|
43.09 ± 8.54 a
|
39.12 ± 7.52*
|
51.12 ± 11.53
|
48.34 ± 8.02 a b
|
40.06 ± 7.76 a
|
|
LAD(mm)
|
58.04 ± 17.26
|
53.31 ± 15.03 a
|
48.32 ± 9.34 a
|
57.86 ± 17.15
|
54.02 ± 15.28 a
|
40.21 ± 8.05 ac
|
|
LVEF (%)
|
34.6 ± 5.5
|
45.3 ± 4.3 a
|
54.2 ± 3.1 a
|
35.1 ± 4.3
|
40.2 ± 4.9 a b
|
55.1 ± 3.6 a
|
|
SPAP(mmHg)
|
47.24 ± 14.31
|
40.43 ± 10.52 a
|
37.07 ± 8.26 a
|
48.01 ± 14.59
|
40.05 ± 10.12 a
|
31.24 ± 7.13 ac
|
|
Grade of MR (Mean ± SD)
|
3.57 ± 0.38
|
0.95 ± 0.36 a
|
1.30 ± 0.65 a
|
3.42 ± 0.35
|
0.15 ± 0.05 a
|
0.40 ± 0.10 ac
|
|
Carpentier classification[6], n (%)
| | | | | | |
|
Ia MR
|
40(35.7%)
|
40(36.7%)
|
38(35.5%)
|
35(33.1%)
|
33(32.4%)
|
32(32.3%)
|
|
IIIb MR
|
72 (64.3%)
|
69(63.3%)
|
69(64.5%)
|
71(66.9%)
|
69(67.6%)
|
67(67.7%)
|
- Compares with Preoperative a
p < 0.05; significantly MVR versus MVP group at discharge b
p < 0.05; MVR versus MVP group in follow-up c
p < 0.05.
- NYHA = New York Heart Association; LVEDD = left ventricular end-diastolic diameter; LVESD = left ventricular end-systolic diameter; LAD = left atrial diameter; LVEF = left ventricular ejection fraction; SPAP = systolic pulmonary artery pressure; MR = mitral regurgitation; SD = standard deviation.;
