前言： 目的：对6 4例有下肢畸形的患儿采用矫形器的矫治效果进行评价和分析。

Objective: To analyze and assess the effect of applying orthosis to 64 children with disability of the lower limb.

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目的：探讨下肢扭转畸形的影像学测量方法，为临床精确测量及治疗提供依据。

Objective: to investigate the radiological measurement of the torsion deformities of lower limbs and provide data for clinic accurate measure and treatment.

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这种阻塞会增加上肢和头部的血压，降低下肢的血压，同时也使心脏肌张力增加。主动脉畸形通常都伴有缩窄。

This blockage can increase blood pressure in your arms and head, reduce pressure in legs and seriously strain heart. Aortic valve abnormalities often accompany coarctation.

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