Table 1.
The horizontal distance between blood vessels at all levels and intestinal wall, the proportion of blood vessel arch, and the position relationship of inferior mesenteric vein with LCA and marginal artery at IMA level are shown above.
| Items | Number of patients(N=96) | Distance(cm) | Proportion |
|---|---|---|---|
| Primary arch(d) | 96 | 4.2(2.3-6.0) | 100% |
| Secondary arch(D) | 37 | 6.4(4.6-10.0) | 38.54% |
| Marginal artery | |||
| IMA root(a) | 96 | 3.0(1.2-4.6) | 100% |
| Branch level of the iliac artery(b) | 96 | 3.0(1.6-4.5) | 100% |
| IMV&LCA | |||
| Type A | 21 | / | 21.9% |
| Type B | 46 | / | 47.9% |
| Type C | 28 | / | 29.2% |
| IMV absence | 1 | / | 1.0% |
| IMV&MA | |||
| Close-type | 1 | / | 1.0% |
| Loose-type | 94 | / | 97.9% |