The Impact of Complete Revascularization in Symptomatic Severe Left Ventricular Dysfunction between Coronary Artery Bypass Graft and Percutaneous Coronary Intervention
Table 2
The parameters of the baseline and follow-up echocardiography.
CABG group
PCI group
value
value
All patients
CR
CABG vs. All PCI
CABG vs. CR
Number
47
69
42
Baseline
LA dimension (mm)
40.1 ± 6.3
41.8 ± 6.4
41.6 ± 5.7
0.172
0.243
LVEF (%)
30.4 ± 6.7
31.2 ± 7.0
30.2 ± 6.8
0.569
0.913
<30% (%)
23 (48.9)
25 (36.2)
17 (40.5)
0.185
0.523
LVEDV (ml)
178.1 ± 39.0
178.7 ± 56.8
182.6 ± 61.6
0.948
0.676
LVESV (ml)
124.2 ± 35.2
123.3 ± 46.1
127.8 ± 50.2
0.918
0.689
AR grade > 2 (%)
1 (2.1)
9 (13.0)
5 (11.9)
0.047
0.096
MR grade > 2 (%)
18 (38.3)
27 (39.1)
17 (40.5)
1.000
1.000
TR grade > 2 (%)
7 (14.9)
14 (20.3)
7 (16.7)
0.624
1.000
TRPG (mmHg)
27.6 ± 15.5
27.3 ± 13.9
26.3 ± 14.9
0.920
0.712
Follow-up
LA dimension (mm)
40.9 ± 7.3
40.0 ± 7.4
38.6 ± 7.7
0.510
0.182
LVEF (%)
44.7 ± 14.4
46.7 ± 15.4
48.9 ± 18.9
0.530
0.229
>50% (%)
19 (44.2)
25 (44.6)
16 (48.5)
1.000
0.817
>40% (%)
25 (58.1)
36 (64.3)
23 (69.7)
0.540
0.344
LVEDV (ml)
168.2 ± 66.4
166.0 ± 62.5
164.3 ± 63.4
0.864
0.797
LVESV (ml)
98.5 ± 59.3
93.9 ± 52.1
90.5 ± 53.5
0.682
0.546
AR grade > 2 (%)
0 (0)
4 (7.1)
1 (3.0)
0.130
0.434
MR grade > 2 (%)
7 (16.3)
9 (16.1)
6 (18.2)
1.000
1.000
TR grade > 2 (%)
5 (11.6)
4 (7.1)
2 (6.1)
0.496
0.692
TRPG (mmHg)
25.3 ± 14.5
24.3 ± 17.2
20.6 ± 14.2
0.763
0.186
The change of left ventricular volume between baseline and follow-up
Reducing LVEDV > 10% (%)
20 (46.5)
28 (50.0)
17 (51.5)
0.840
0.817
Reducing LVESV > 10% (%)
29 (67.4)
32 (57.1)
19 (57.6)
0.405
0.473
The change of LVEF between baseline and follow-up
14.7 ± 15.5
15.8 ± 17.3
18.9 ± 16.6
0.749
0.263
Improving mean LVEF > 10% (%)
27 (62.8)
36 (64.3)
23 (69.7)
1.000
0.628
Data are expressed as the mean ± standard deviation or as number (percentage). Abbreviations: CABG, coronary artery bypass graft; PCI, percutaneous coronary intervention; CR, complete revascularization; LA, left atrium; LVEF, left ventricular ejection fraction; LVEDV, left ventricular end-diastolic volume; LVESV, left ventricular end-diastolic volume; AR, aortic regurgitation; MR, mitral regurgitation; TR, tricuspid regurgitation: TRPG, tricuspid regurgitation pressure gradient.
