Coronary CT Angiography in Coronary Artery Disease: Correlation between Virtual Intravascular Endoscopic Appearances and Left Bifurcation Angulation and Coronary Plaques
Table 1
Measurements of left bifurcation angle and left coronary diameters with corresponding VIE appearances.
Patients
Age/sex
Diameter of left coronary artery
Bifurcation angle (°)
Types of plaques
VIE appearances
LAD (mm)
LCx (mm)
LAD-LCx
Calcified
Noncalcified
Mixed
LAD
LCx
1
72/F
3.4
3.6
110.3
LAD/LCx
—
LCx
Irregular
Smooth
2
59/F
3.7
3.2
101
LAD/LCx
—
—
Smooth
Smooth
3
59/M
4.0
3.1
90.9
LAD/LCx
—
—
Irregular
Smooth
4
52/M
6.1
3.7
134.5
LAD/LCx
—
LAD
Irregular
Smooth
5
38/M
3.0
1.6
55.3
LAD
—
LAD
Irregular
Smooth
6
53/F
3.5
2.0
73
LAD
—
—
Smooth
Smooth
7
56/F
2.5
2.2
73.9
—
—
—
Smooth
Smooth
8
49/M
2.7
1.5
96.1
—
—
—
Smooth
Smooth
9
51/M
3.2
2.4
88.8
LAD
—
—
Smooth
Smooth
10
69/M
5.3
2.5
112.8
LAD
—
LAD
Irregular
Smooth
11
55/M
3.8
3.5
111.3
LAD/LCx
—
—
Smooth
Smooth
12
58/M
4.1
2.9
73.5
LAD
—
—
Smooth
Smooth
13
56/M
3.0
2.9
69.1
LAD/LCx
—
—
Smooth
Smooth
14
42/M
3.9
2.9
124
LAD
—
—
Smooth
Smooth
15
56/F
3.9
3.1
105.1
LAD/LCx
—
—
Irregular
Irregular
16
61/M
4.1
2.8
92
LAD
—
LAD
Irregular
Smooth
17
55/M
4.3
3.8
97
LAD/LCx
—
LAD
Irregular
Smooth
18
57/F
3.6
2.9
76.1
LAD
—
LAD
Smooth
Smooth
19
43/F
5.2
3.9
114.5
LAD/LCx
—
LAD
Irregular
Irregular
20
45/M
2.8
2.6
104.4
LAD
—
—
Smooth
Smooth
21
65/F
2.2
2.0
82
—
—
—
Smooth
Smooth
22
60/M
4.4
2.9
75.3
LAD
—
—
Smooth
Smooth
23
61/M
4.5
3.2
77
LAD
—
—
Smooth
Smooth
24
66/F
4.8
3.2
91
LAD
—
—
Irregular
Smooth
25
58/M
5.1
3.8
92
LAD
—
—
Irregular
Smooth
26
63/M
2.7
2.4
70
—
—
—
Smooth
Smooth
27
55/F
3.2
2.9
60
—
—
—
Smooth
Smooth
28
47/F
3.2
2.3
72
—
—
—
Smooth
Smooth
29
65/M
2.8
2.0
90
—
—
—
Smooth
Smooth
30
65/F
3.1
1.9
60
—
—
—
Smooth
Smooth
31
60/M
3.6
3.0
81
LAD/LCx
—
—
Smooth
Smooth
32
53/M
4.7
3.4
99.3
LAD
—
—
Smooth
Smooth
33
52/M
3.2
2.6
77.3
—
—
—
Smooth
Smooth
34
64/F
4.2
2.7
101
—
—
—
Smooth
Smooth
35
58/F
4.6
2.4
88.5
LAD/LCx
—
—
Irregular
Irregular
36
46/F
3.6
2.8
72
—
—
—
Smooth
Smooth
37
49/M
3.4
2.4
83.5
—
—
—
Smooth
Smooth
38
53/M
5.7
2.5
97.7
—
—
LAD/LCx
Irregular
Irregular
39
54/F
4.0
2.9
40.3
—
—
—
Smooth
Smooth
40
51/F
4.1
3.4
78.7
LAD
—
—
Smooth
Smooth
41
47/M
4.8
4.0
94.4
—
—
LAD/LCx
Irregular
Irregular
42
37/M
3.2
2.7
77.4
—
—
—
Smooth
Smooth
43
46/M
3.4
3.1
71.3
—
—
—
Smooth
Smooth
44
73/M
5.4
4.2
86.5
—
—
LAD/LCx
Irregular
Irregular
45
48/M
4.5
4.1
102.2
LAD
—
—
Smooth
Smooth
46
46/M
4.0
2.9
105
—
—
—
Smooth
Smooth
47
46/F
3.3
2.8
70.3
—
—
—
Smooth
Smooth
48
71/M
3.7
3.4
104.5
LAD
—
—
Smooth
Smooth
49
74/F
3.9
2.3
96.8
—
LAD
—
Smooth
Smooth
50
63/M
4.2
3.7
105.6
LAD
—
—
Irregular
Smooth
LAD: left anterior descending; LCx: left circumflex; VIE: virtual intravascular endoscopy.