|
UAP
(n=67) |
SAP
(n=35) |
p-value |
Rupture at plaque shoulder |
45 (67) |
25 (71) |
0.660 |
Location of rupture |
|
|
|
Proximal to the MLA site |
33 (49) |
20 (57) |
0.449 |
MLA site |
24 (36) |
11 (31) |
0.657 |
Distal to the MLA site |
10 (15) |
4 (11) |
0.626 |
Distance between rupture site and MLA site, mm |
2.64 ± 1.45 |
2.99 ± 1.70 |
0.280 |
Longitudinal morphological features of plaque rupture |
|
|
|
Proximal-type |
30 (45) |
14 (40) |
0.644 |
Mid-type |
29 (43) |
17 (49) |
0.610 |
Distal-type |
8 (12) |
4 (11) |
0.939 |
Maximal ruptured cavity area, mm2 |
1.57 ± 0.54 |
1.30 ± 0.72 |
0.032 |
Lumen area at rupture site, mm2 |
3.00 ± 0.86 |
3.45 ± 1.18 |
0.030 |
MLA, mm2 |
2.69 ± 0.80 |
3.12 ± 1.14 |
0.029 |
Lipid-rich plaque |
56 (84) |
22 (63) |
0.019 |
Thrombus |
63 (94) |
1 (3) |
<0.001 |
Values are given as n (%) or mean ± standard deviation. UAP = unstable angina
pectoris; SAP = stable angina pectoris; MLA = minimal lumen area |