Table 3.
Characteristics of MM OCT features of the small intestine in studied groups of patients. n-number of regions of interest (ROI).
| Group of ROI | Structural OCT Features | Angiographic OCT Features | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Detectable Layers of Small Intestine, n-Abs. (%) | Inter-Muscular Spaces |
Subserosal Blood Vessels |
Micro- Vascular Network |
OCTA Description | ||||||
| Serosa | Outer Mus- cular Layer |
Inner Mus- cular Layer |
Sub Mucosa |
Mucosa | ||||||
| Control Group (n = 18) |
18 (100) | 18 (100) |
18 (100) |
12 (66.7) |
2 (11.1) |
Narrow slit-like spaces between the muscle bundles localized of only within the outer muscular layer | yes | yes | Multiple branched blood vessels anastomosed with each other, the background is light | |
| AMI Group | Ischemia(n = 18) | 18 (100) |
18 (100) |
18 (100) |
6 * (33.3) |
- | Wide numerous spaces localized between the muscle bundles of the both muscular layers, as well as at the borders of the serous and outer muscular layers and of the outer and inner muscular layers | yes | partly | Sparse vasculature or single, predominantly non-anastomosed blood vessels with each other, the background is mostly dark |
| Necrosis (n = 9) |
4 (44.4) |
- | 2 * (22.2) |
- | no | no | no | Scraps of single blood vessels or their complete absence, the background is dark | ||
* Only the boundary between the inner muscular layer and submucosa was distinguished.