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.