11 April 2022: Clinical Research
High-Resolution Magnetic Resonance Imaging (HR-MRI) Evaluation of the Distribution and Characteristics of Intra-Aneurysm Thrombosis to Improve Clinical Diagnosis of Thrombotic Intracranial Aneurysm
Yan Gu 1ABCEG* , Chongchang Miao 1ABCDF* , Aimin Li 2ABDF* , Yonggang Zhang 1BD , Jian Xu 1CDFDOI: 10.12659/MSM.935613
Med Sci Monit 2022; 28:e935613
Table 1 Characteristics of patients in the 2 groups, with and without intra-aneurysm thrombosis.
| Characteristics | Thrombosis group (n=95) | Non-thrombus group (n=41) | Total (n=136) | P value |
|---|---|---|---|---|
| Sex | 0.018 | |||
| Female, n (%) | 44 (46.3) | 28 (68.3) | 72 (52.9) | |
| Male, n (%) | 51 (53.7) | 13 (31.7) | 64 (47.1) | |
| Age, y, mean±SD | 59±12 | 63±10 | 61±11 | 0.024 |
| Aneurysm size, mm, mean±SD | 6.1±1.0 | 13.6±6.1 | 8.4±4.9 | |
| Aneurysm neck, mm, mean±SD | 3.3±0.6 | 3.9±0.7 | 3.4±0.7 | |
| Aspect ratio, mean±SD | 1.9±0.3 | 3.4±1.1 | 2.4±1.0 | |
| Size ratio, mean±SD | 2.4±0.7 | 3.9±1.0 | 2.9±1.1 | |
| Shape | 0.455 | |||
| Regular, n (%) | 49 (51.6) | 24 (58.5) | 73 (53.7) | |
| Irregular, n (%) | 46 (48.4) | 17 (41.5) | 63 (46.3) | |
| Location | 0.991 | |||
| Anterior cerebral artery, n (%) | 7 (7.4) | 3 (7.3) | 10 (7.4) | |
| Anterior communicating artery, n (%) | 16 (16.8) | 8 (19.5) | 24 (17.6) | |
| Middle cerebral artery, n (%) | 28 (29.5) | 11 (26.8) | 39 (28.7) | |
| Internal carotid artery, n (%) | 26 (27.4) | 12 (29.3) | 38 (27.9) | |
| Posterior communicating artery origin, n (%) | 18 (18.9) | 7 (17.1) | 25 (18.4) | |
| Artery bifurcation, n (%) | 39 (41.1) | 20 (48.8) | 59 (43.4) | 0.404 |
| Type 2 diabetes mellitus, n (%) | 41 (43.2) | 17 (41.5) | 58 (42.6) | 0.855 |
| History of smoking, n (%) | 44 (46.3) | 21 (51.2) | 65 (47.8) | 0.599 |
| Hypertension, n (%) | 51 (53.7) | 19 (46.3) | 70 (51.5) | 0.432 |
| Hyperlipidemia, n (%) | 33 (34.7) | 18 (43.9) | 51 (37.5) | 0.020 |
| Family history, n (%) | 28 (29.5) | 9 (22.0) | 37 (27.2) | 0.366 |
| SD – standard deviation. | ||||