reproduction of an animal model of landmine blast injuries
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ID: 205446
2014
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Abstract
Objective To reproduce an animal model of landmine blast injuries for studying its mechanism and characteristics. Methods Fifteen healthy New Zealand white rabbits (body weight 1.9-2.4 kg) were prepared as experimental animals. Punctiform burster was used to simulate the landmine, and it was electrically detonated far away to produce landmine blast injuries on unilateral hind limb of rabbits in upright state. The vital signs before and 5min, 15min, 30min, 45min, 1h, 2h, 3h, 6h, 9h and 12h after injuries were recorded. Autopsy of dead animals was performed immediately and the survivors were sacrificed for pathological examination 6h and 12h after the injury. Macroscopic and microscopic changes in the injured limb and distant organs were observed. Fifteen random adult body weights were generated by random number table, and the explosive energy of M14 landmine (about 29g TNT explosive energy) was simulated, to compare the ratio of explosive force equivalent to weight calculated between experimental animals and randomly selected adults. Results No significant change in blood pressure was observed at different time points before and after injuries. A broom-like change was found in the injured limb by the general observation. The subareas and pathological changes of injured limb coincided with the typical limb injuries produced by landmine explosion. Damage in different degrees was found in distant organs, and the wound characteristics and injury of major organs were in accordance with the reports of relevant literature. The ratio of explosive equivalent to weight of experimental animals (0.50±0.04g TNT/kg) was similar to that of randomly selected adults (0.51±0.05g TNT/kg). Conclusion The present animal model could simulate the landmine explosive injuries, and may be used in research of landmine explosive injuries.
DOI: 10.11855/j.issn.0577-7402.2014.01.14
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zhang2014medicalreproduction
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| Authors | ;Sen ZHANG;Geng-fen HAN;Guang-han YE;Xi-nan LAI;Ai-min WANG;Li-li WANG |
| Journal | frontiers in neurorobotics |
| Year | 2014 |
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