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用坚强内固定治疗骨折将导致应力遮挡效应,诱发固定段局部骨质疏松.用钢板给家兔双侧胫骨做坚强内固定手术,然后一侧用间歇性周期电场进行治疗,对抗应力遮挡效应造成的影响.结果表明.电场治疗使骨的体积密度和皮质骨壁厚度增加,骨灰的含量,钙的含量也增加,对预防坚强内固定所致的骨质疏松有明显的作用.
Treatment of fractures with a strong internal fixation will result in a stress-masking effect that induces localized osteoporosis in the fixed segment. Steel plate to the rabbit double tibia for rigid internal fixation operation, and then the side of the intermittent periodic electric field treatment, the impact of the impact of stress shielding effect. The results show. Electric field treatment increases the bulk density of the bone and the thickness of the cortical bone wall. The content of ashes and the content of calcium also increase, which plays a significant role in preventing osteoporosis caused by strong internal fixation.