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特制运动鞋使膝骨关节炎患者获益

2013-04-24 佚名 EGMN

  芝加哥拉什大学风湿病科的Najia Shakoor医生及其合作者初步研究发现,穿6个月的特制运动鞋可明显减轻膝盖的负荷,即使在受试者此后再穿普通鞋时亦如此,这表明这种鞋存在步态适应,长期用之可改变步态,可能对膝骨关节炎患者的治疗有益。 这种运动鞋是由Shakoor医生与Roy Lidkte医生发明的,在足部主要弯曲点有些沟壑,能使足部产生自然的“赤脚样”运动。以前的一项研究显示,这种鞋能模拟

  芝加哥拉什大学风湿病科的Najia Shakoor医生及其合作者初步研究发现,穿6个月的特制运动鞋可明显减轻膝盖的负荷,即使在受试者此后再穿普通鞋时亦如此,这表明这种鞋存在步态适应,长期用之可改变步态,可能对膝骨关节炎患者的治疗有益。



这种运动鞋是由Shakoor医生与Roy Lidkte医生发明的,在足部主要弯曲点有些沟壑,能使足部产生自然的“赤脚样”运动。以前的一项研究显示,这种鞋能模拟赤脚步行时的无负荷效应。有证据显示,膝骨关节炎患者的膝关节负荷增大与“放射学严重病变、疾病进展及疼痛”有关联,因此“减小膝部的负荷可能会产生明显的症状改善。”此鞋的专利由拉什大学医学中心所有,若成功的话,该大学将会因许可协议而获得付款,而Shakoor医生和Lidtke医生也将得到部分付款。

  该研究在内侧间室膝骨关节炎患者中评估了这种鞋对步态运动学的影响,共招募了16例膝骨关节炎患者,平均年龄为57岁。研究者在6、12及24周时测量症状较重一侧的膝外展运动(KAM,衡量内侧间室膝负荷的一项合理指标,与膝骨关节炎的疼痛和进展有关联)。患者穿这种鞋子的时间为每天至少6小时,每周穿6天(平均7小时/天)。共有10例患者完成了研究;其余6例因为无效而退出研究或未返回接受后续随访,其结果也被纳入了分析。

  结果显示,受试者24周时的KAM较基线穿普通鞋时的基值降低了18%,有显著的统计学差异。此外,在24周时,他们穿普通鞋测得的KAM较基值降低了11%,徒步行走时测得的KAM较基值降低了10%,提示穿特制鞋可能“重新调整了”步态。 其他研究结果包括受累膝部疼痛明显改善,衡量指标为西安大略大学和麦克马斯特大学骨关节炎指数(WOMAC)。

  这项原理循证研究为膝骨关节炎治疗中鞋类选择的重要性提供了证据支持。在既往研究中,与穿普通鞋相比,步行时赤脚和穿模拟赤脚力学设计的鞋与膝盖负荷减小有关,但研究者并未确定特制鞋在较长时间范围内的作用。

  研究者承认本研究存在局限性,包括样本量小和仅随访6个月等。

关节炎相关的拓展阅读:

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    2014-02-03 lisa438
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    2013-04-26 lmm397
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