Table 4:
Centre-line-based measurements of dissected supra-aortic vessels and descending aorta before and after surgery
| Assessment of dissected vessels, mean (SD), n (%) | Preoperative, N = 16 | Postoperative, N = 16 |
|---|---|---|
| Innominate artery | ||
| Dissected | 12 (75) | 11 (68.75) |
| Subtotal occlusion | 4 (25) | 1 (6.25) |
| Total occlusion | 0 (0) | 0 (0) |
| True lumen diameter (mm) | 9.15 (SD: 1.81) | 11.51 (SD: 2.42) |
| True lumen area (mm2) | 68.04 (SD: 25.16) | 108.22 (SD: 44.92) |
| False lumen diameter (mm) | 13.67 (SD: 1.93) | 10.18 (SD: 6.25) |
| False lumen area (mm2) | 149.60 (SD: 41.78) | 110.53 (SD: 80.03) |
| Total area (mm2) | 214.82 (SD: 54.11) | 221.42 (SD: 78.00) |
| Measurement landmark (mm) | 18.82 (SD: 6.93) | 20.16 (SD: 8.34) |
| Right common carotid | ||
| Dissected | 4 (25) | 3 (18.75) |
| Subtotal occlusion | 6 (37.5) | 3 (18.75) |
| Total occlusion | 3 (18.75) | 0 (0) |
| True lumen diameter (mm) | 4.24 (SD: 2.34) | 5.98 (SD: 2.06) |
| True lumen area (mm2) | 18.21 (SD: 13.66) | 31.25 (SD: 15.87) |
| False lumen diameter (mm) | 7.04 (SD: 3.57) | 3.21 (SD: 4.56) |
| False lumen area (mm2) | 48.42 (SD: 28.59) | 23.48 (SD: 34.97) |
| Total area (mm2) | 67.12 (SD: 20.35) | 54.84 (SD: 25.82) |
| Measurement landmark (mm) | 30.74 (SD: 21.17) | 28.46 (SD: 17.20) |
| Left common carotid | ||
| Dissected | 4 (25) | 4 (25) |
| Subtotal occlusion | 2 (12.5) | 0 (0) |
| Total occlusion | 1 (6.25) | 0 (0) |
| True lumen diameter (mm) | 5.91 (SD: 2.12) | 7.51 (SD: 1.49) |
| True lumen area (mm2) | 30.92 (SD: 15.60) | 45.92 (SD: 18.39) |
| False lumen diameter (mm) | 3.89 (SD: 4.40) | 2.37 (SD: 4.01) |
| False lumen area (mm2) | 26.37 (SD: 33.09) | 16.28 (SD: 30.51) |
| Total area (mm2) | 57.13 (SD: 22.84) | 62.60 (SD: 31.87) |
| Measurement landmark (mm) | 40.30 (SD: 29.62) | 35.49 (SD: 20.00) |
| Proximal-descending aorta | ||
| True lumen diameter (mm) | 18.34 (SD: 4.42) | 23.91 (SD: 3.86) |
| True lumen area (mm2) | 278.59 (SD: 130.33) | 460.13 (SD: 144.61) |
| False lumen diameter (mm) | 24.30 (SD: 3.34) | 16.36 (SD: 8.45) |
| False lumen area (mm2) | 471.88 (SD: 134.24) | 262.81 (SD: 150.36) |
| Total area (mm2) | 749.75 (SD: 175.57) | 728.00 (SD: 193.56) |
| Measurement landmark (mm) | 105.56 (SD: 13.79) | 105.56 (SD: 13.79) |
| Mid-descending aorta | ||
| True lumen diameter (mm) | 16.13 (SD: 2.96) | 19.43 (SD: 2.82) |
| True lumen area (mm2) | 211.31 (SD: 80.47) | 303.00 (SD: 85.55) |
| False lumen diameter (mm) | 22.12 (SD: 3.24) | 19.34 (SD: 6.42) |
| False lumen area (mm2) | 392.06 (SD: 117.40) | 324.13 (SD: 158.53) |
| Total area (mm2) | 602.13 (SD: 166.26) | 621.63 (SD: 193.72) |
| Measurement landmark (mm) | 220.31 (SD: 28.44) | 220.31 (SD: 28.44) |
SD: standard deviation.