Table 3.
Quantitative plaque analysis results in both reconstructions.
|
Standard |
ZeeFree |
|||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Patient (n=20) | Segment (n=22) | Artery and AHA segment with artifact | Artifact grade* | Total plaque volume [mm3] | Calcific component [mm3] | Non-calcified component [mm3] | Lipidic component [mm3] | Fibrous component [mm3] | Artifact grade* | Total plaque volume [mm3] | Calcified component [mm3] | Non-calcified component [mm3] | Lipidic component [mm3] | Fibrous component [mm3] |
| 1 | 1 | RCA 2 | 2 | 230.82 | 183.52 | 47.3 | 5.63 | 41.67 | 1 | 96.71 | 89.32 | 7.39 | 0.38 | 7.01 |
| 2 | 2 | LAD 6 | 2 | 51.3 | 29.9 | 21.4 | 2.13 | 19.27 | 1 | 35.58 | 11.05 | 24.53 | 2.17 | 22.36 |
| 3 | 3 | CX 11 | 2 | 105.30 | 95.04 | 10.26 | 0.64 | 9.62 | 1 | 54.14 | 48.06 | 6.08 | 0.85 | 5.23 |
| 4 | 4 | LAD 8 | 2 | 35.68 | 21.45 | 14.23 | 1.65 | 12.50 | 1 | 18.92 | 7.05 | 11.87 | 0.76 | 11.11 |
| 5 | 5 | RCA 2 | 2 | 55.38 | 40.72 | 14.66 | 1.46 | 13.22 | 1 | 26.83 | 14.76 | 12.07 | 0.14 | 11.93 |
| 6 | 6 | RCA 2 | 3 | 145.06 | 85.32 | 59.74 | 12.12 | 47.62 | 1 | 102.45 | 60.88 | 41.57 | 9.32 | 32.25 |
| 7 | 7 | LAD 7 | 2 | 106.32 | 95.45 | 10.87 | 1.57 | 9.38 | 1 | 68.72 | 55.67 | 13.05 | 0.87 | 12.18 |
| 8 | CX 11 | 2 | 63.36 | 58.35 | 5.01 | 0.73 | 4.28 | 1 | 37.73 | 22.92 | 14.81 | 1.50 | 13.31 | |
| 8 | 9 | LAD 7 | 2 | 92.7 | 79.3 | 18.8 | 5.11 | 13.69 | 1 | 73.14 | 54.34 | 18.8 | 1.95 | 16.85 |
| 9 | 10 | LAD 6 | 2 | 87.42 | 69.25 | 18.17 | 3.76 | 14.41 | 1 | 62.67 | 48.10 | 14.57 | 3.55 | 11.02 |
| 10 | 11 | CX 11 | 3 | 96.35 | 85.86 | 10.49 | 0 | 10.49 | 1 | 51.94 | 50.03 | 1.91 | 0.38 | 1.91 |
| 11 | 12 | LAD 6 | 2 | 126.9 | 87.42 | 39.48 | 2.37 | 37.11 | 1 | 79.65 | 52.83 | 26.82 | 5.41 | 21.41 |
| 12 | 13 | CX 12 | 4 | NF | NF | NF | NF | NF | 2 | 32.63 | 22.52 | 10.11 | 1.11 | 9,0 |
| 13 | 14 | RCA 1 | 3 | 114.44 | 83.12 | 31.32 | 1.94 | 29.38 | 2 | 80.79 | 64.51 | 16.28 | 1.08 | 15.20 |
| 14 | 15 | RCA 1 | 3 | 60.10 | 34.75 | 25.35 | 1.88 | 23.47 | 2 | 38.90 | 23,0 | 15.90 | 0.98 | 14.92 |
| 15 | 16 | RCA 1 | 2 | 104.47 | 66.23 | 38.24 | 3.72 | 34.52 | 1 | 75.09 | 46.55 | 28.54 | 3.63 | 24.91 |
| 16 | 17 | LAD 6 | 3 | 66.21 | 54.79 | 11.31 | 1.02 | 10.29 | 1 | 39.71 | 27.03 | 12.68 | 1.16 | 11.52 |
| 17 | 18 | RCA 2 | 2 | 31.17 | 17.95 | 13.22 | 0.33 | 12.89 | 1 | 17.31 | 3.02 | 14.29 | 0.66 | 13.63 |
| 18 | 19 | LAD 6 | 4 | 240.22 | 203.1 | 37.12 | 5.43 | 31.69 | 1 | 222.8 | 198.34 | 24.53 | 4.4 | 20.13 |
| 20 | RCA 2 | 3 | 193.24 | 119.95 | 73.29 | 5.39 | 67.9 | 1 | 164.17 | 105.17 | 59.4 | 3.38 | 56.02 | |
| 19 | 21 | RCA 3 | 3 | 155.57 | 38.92 | 116.65 | 11.41 | 105.24 | 1 | 124.90 | 45.16 | 79.74 | 3.34 | 76.40 |
| 20 | 22 | LAD 6 | 4 | 163.33 | 64.33 | 99 | 8.16 | 90.84 | 1 | 101.33 | 36.38 | 64.95 | 8.82 | 56.13 |
NF: not feasible.
*
Stair-step artifacts were graded from 1 to 4 (1=minimal, 2=mild, 3=moderate, 4=severe).