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首页> 外文期刊>Chinese Journal of Traumatology >Effects of low-intensity pulsed ultrasound in repairing injured articular cartilage
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Effects of low-intensity pulsed ultrasound in repairing injured articular cartilage

机译：低强度脉冲超声修复关节软骨损伤的效果

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Objective: To investigate the effects of low-intensity pulsed ultrasound in repairing injured articular cartilage. Methods: Ten adult New Zealand rabbits with bilateral full-thickness osteochondral defects on the cartilage surface of intercondylar fossas were used in this study. The wounds in the left knees were treated with low-intensity pulsed ultrasound as the experimental group. The right knees received no treatment as the control group. All the animals were killed at 8 weeks after injury and the tissues in the wounds were collected for gross appearance grading, histological grading and proteoglycan quantity. Results: The scores of the gross appearance grades, histological grades and the optical density of toluidine blue of the tissues in the experimental group were significantly higher than those of the controls at 8 weeks after injury (P < 0.05). Conclusions: Low-intensity pulsed ultrasound can accelerate the repair of injured articular cartilage.
机译：目的：探讨低强度脉冲超声修复关节软骨损伤的效果。方法：采用十只成年新西兰兔，con间窝窝软骨表面双侧全厚度骨软骨缺损。实验组采用低强度脉冲超声治疗左膝创面。右膝未接受任何治疗作为对照组。受伤后第8周将所有动物处死，并收集伤口中的组织用于总的外观分级，组织学分级和蛋白聚糖的量。结果：实验组在伤后8周的总外观等级，组织学等级和甲苯胺蓝的光学密度得分均明显高于对照组（P <0.05）。结论：低强度脉冲超声可以促进关节软骨的修复。

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