Table 2 Clinical and radiological characteristics of the dissection among the five types
Mean ± SD or n (%) | ||||||
|---|---|---|---|---|---|---|
I: Classical dissection (n = 50) | II: Fusiform aneurysm (n = 1) | III: Long dissected aneurysm (n = 3) | IV: Dolichoectatic dissecting (n = 9) | V: Cysitical aneurysm (n = 12) | P value | |
Male | 42 (84.0) | 1 (100%) | 3 (100%) | 7 (77.8) | 9 (75.0) | |
Age | 50.50 ± 11.31 | 71 | 40.67 ± 20.21 | 57.42 ± 11.90 | 57.42 ± 11.9 | 0.051 |
Hypertension | 35 (70.0) | 0 (0) | 1 (33.3) | 5 (55.6) | 8 (66.7) | 0.372 |
Hyperlipidemia | 11 (22.0) | 0 (0) | 1 (33.3) | 2 (22.2) | 6 (50.0) | 0.366 |
Diabetes | 6 (12.0) | 0 (0) | 0 (0) | 3 (33.3) | 7 (58.3) | 0.010 |
Smoking | 10 (13.3) | 0 (0) | 1 (1.3) | 4 (5.3) | 5 (6.7) | 0.347 |
TG (mmol/L) | 1.62 ± 1.79 | 1.73 | 1.05 ± 0.38 | 1.49 ± 0.70 | 1.66 ± 0.81 | 0.978 |
LDL (mmol/L) | 2.41 ± 1.02 | 1.99 | 2.41 ± 0.34 | 2.25 ± 0.72 | 2.39 ± 0.71 | 0.985 |
HDL (mmol/L) | 1.21 ± 0.31 | 1.18 | 0.97 ± 0.05 | 0.92 ± 0.19 | 1.22 ± 0.41 | 0.170 |
Confirmed by DSA | 35 (70.0) | 1 (100) | 2 (66.7) | 8 (88.9) | 12 (100) | 0.021 |
Clinical symptoms | 40 (80.0) | 0 (0) | 1 (33.3) | 8 (88.9) | 6 (50.0) | 0.037 |
Location | 0.009 | |||||
ICA | 7 (14.0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | |
MCA | 3 (6.0) | 1 (100) | 1 (33.3) | 1 (11.1) | 0 (0) | |
VA | 36 (72.0) | 0 (0) | 2 (66.7) | 6 (66.7) | 8 (66.7) | |
BA | 4 (8.0) | 0 (0) | 0 (0) | 1 (11.1) | 4 (33.3) | |
PCA | 0 (0) | 0 (0) | 0 (0) | 1 (11.1) | 0 (0) | |
Lumen shape | < 0.001 | |||||
Normal | 11 (22.0) | 0 (0) | 0 (0) | 0 (0) | 2 (16.7) | |
Stenosis | 28 (56.0) | 0 (0) | 1 (33.3) | 3 (33.3) | 0 (0) | |
Dilatation | 11 (22.0) | 1 (100) | 1 (33.3) | 6 (66.7) | 10 (83.3) | |
Stenosis and dilatation | 0 (0) | 0 (0) | 1 (33.3) | 0 (0) | 0 (0) | |
Hematoma | 43 (86.0) | 0 (0) | 2 (66.7) | 9 (100) | 10 (83.3) | 0.837 |
Hematoma signal on T1WI | 0.006 | |||||
Isointensity | 7 (14.0) | 1 (100) | 1 (33.3) | 0 (0) | 2 (16.7) | |
Hyperintensity | 16 (32.0) | 0 (0) | 1 (33.3) | 0 (0) | 3 (25.0) | |
Hypointensity | 9 (18.0) | 0 (0) | 0 (0) | 0 (0) | 3 (25.0) | |
Maxintensity | 12 (24.0) | 0 (0) | 0 (0) | 7 (77.8) | 0 (0) | |
Double lumen | 29 (58.0) | 1 (100) | 3 (100) | 6 (66.7) | 9 (75.0) | 0.284 |
Intimal flap | 46 (92.0) | 0 (0) | 3 (100) | 9 (100) | 12 (100) | 0.065 |
Thrombus enhancement | 30 (60.0) | 0 (0) | 2 (66.7) | 8 (88.9) | 7 (58.3) | 0.248 |
Intimal flap enhancement | 39 (78.0) | 0 (0) | 3 (100) | 8 (88.9) | 9 (66.7) | 0.259 |
Vessel wall enhancement grade | 0.388 | |||||
1: No enhancement | 14 (28.0) | 0 (0) | 1 (33.3) | 1 (11.1) | 3 (25.0) | |
2: Enhancement | 14 (28.0) | 1 (100) | 2 (66.7) | 2 (22.2) | 3 (25.0) | |
3: Obvious enhancement | 22 (44.0) | 0 (0) | 0 (0) | 6 (66.7) | 6 (50.0) | |