Fig. 1.
Fig. 2.
Diameters of the links of the microvasculature of the small intestine of experimental rats with clamping of the PT for 12 minutes, depending on the observation time (M ± SD) (μm)
| Parts of microcirculatory system | Control | Observation time | |||||
|---|---|---|---|---|---|---|---|
| 3 hours | 6 hours | 12 hours | 24 hours (1 day) | 72 hours (3 days) | 168 hours (7 days) | ||
| Arterioles | 34± | 42±3,1 | 40,6±2,7 | 41±2,8 | 40±2,7 | 38,3±2, | 36±2,7 |
| Pre-capillaries | 15±2 | 24,5±2,5* | 20±2,2* | 21±2,1* | 22±1,9* | 19,5±1,9* | 17,6±1,6 |
| Capillaries | 5,4±1 | 10,7±0,7* | 9,8±0,5* | 9,9±0,6* | 9,0±1,0* | 8,6±0,7* | 8,2±0,6* |
| Post-capillaries | 18±2 | 32±1,8* | 30±1,8* | 32±1,7* | 33±1,9* | 27,6±1,7* | 26,8±1,5* |
| Venules | 40±3,5 | 66±3,3* | 58±3,4* | 62±3,2* | 61±3,4* | 56±3,2 | 54±3,1* |
Diameters of the links of the microvasculature of the small intestine of experimental rats with clamping of the PT for 24 minutes, depending on the observation time (M ± SD) (μm)
| Parts of micro-circulatory system | Control | Observation time | |||||
|---|---|---|---|---|---|---|---|
| 3 hours | 6 hours | 12 hours | 24 hours (1 day) | 72 hours (3 days) | 168 hours (7 days) | ||
| Arterioles | 34±4 | 46±3,3* | 44±2,9* | 45±3,0* | 41±2,6* | 40±2,5* | 39±2,4 |
| Pre-capillaries | 15±2 | 28±2,7* | 24,4±2,6* | 22±2,3* | 21±2,0* | 22±1,8* | 21±1,9* |
| Capillaries | 5,4±1 | 12,6±0,6* | 11,2±0,8* | 10±0,7* | 9,5±0,5* | 9,0±0,7* | 8,8±0,6* |
| Post-capillaries | 18±2 | 35±1,9* | 32±1,7* | 31±1,6* | 31±1,8* | 32±2,0* | 30±1,8* |
| Venules | 40±3,5 | 72±3,4* | 68±3,5* | 66±3,4* | 62±3,3* | 61±3,2* | 59±2,9* |
Mortality of experimental animals in different study groups
| Groups | Experimental model | Operated animals | Lethality of animals (L / N) | Total % | |||||
|---|---|---|---|---|---|---|---|---|---|
| 3h | 6 h | 12 h | 24 h | 72 h | 168 h | ||||
| I | Control | 10/94 | - | - | - | - | - | - | - |
| II | Clamping PT for 6 min | 28/94 | -/4 | -/4 | -/5 | -/5 | -/5 | -/5 | - |
| III | Clamping PT for 12 min | 28/94 | -/4 | -/4 | -/5 | 1/5 | 1/5 | 2/5 | 4/14.3 |
| IV | Clamping PT for 24 min | 28/94 | 1/4 | 1/4 | 2/5 | 2/5 | 3/5 | 3/5 | 12/42.8 |
Diameter of the links of the microvasculature of the small intestine of experimental rats with clamping of the PT for 6 minutes, depending on the observation time (M ± SD) (μm)
| Parts of microcirculatory system | Control | Observation time | |||||
|---|---|---|---|---|---|---|---|
| 3 hours | 6 hours | 12 hours | 24 hours (1 day) | 72 hours (3 days) | 168 hours (7 days) | ||
| Arterioles | 34±4 | 39,4±3,2 | 40±3,1* | 39,8±2,8 | 38,4±2,7 | 35±2,6 | 34,5±2,9 |
| Pre-capillaries | 15±2 | 18,7±1,7 | 19,5±2,5* | 20±2,4* | 20±2,2* | 18±2,1 | 17±2,0 |
| Capillaries | 5,4±1 | 8,3±0,7* | 8,7±0,6* | 8,9±0,5* | 8,8±0,6* | 6,7±0,5 | 6±0,9 |
| Post-capillaries | 18±2 | 27±2,1* | 28±1,7* | 29±2,0* | 28,5±1,8* | 23±1,9* | 21,5±1,8 |
| Venules | 40±3,5 | 60±3,9* | 61±3,4* | 60±3,6* | 58±3,4* | 50±3,2* | 45±3,4 |