肢体不等长 (LLD) 或肢体长度不等是指一条手臂或腿短于另一条手臂或腿的疾病。
手臂长度的差异对正常功能影响较小,而腿长差异则会严重影响日常活动,如步行和运动。
腿长差异各不相同,从小于一英寸到几英寸不等。显著的差异可影响患者站立或行走的姿势,从而可能导致髋关节、膝盖和脚踝出现问题并导致脊柱侧弯(脊柱曲率异常)。
LLD 可分为静止性或进行性畸形:
腿不等长的症状因腿长差异、病因以及是否存在其他健康问题而有所不同。
症状包括:
腿长不等可能为先天性。可由影响髋关节对齐的疾病所导致,如发育性髋关节发育不良(DDH),或者可能没有已知病因。
腿不等长的其他病因包括:
腿不等长可能会导致多种并发症。如果未得到治疗,患者可能会出现以下情况:
需要针对患者的个体差异定制不同的治疗方案。部分患者可能只需在鞋中放入鞋垫,而其他患者则可能需要接受手术。
只有在其他治疗方案无法成功纠正腿不等长时,才建议实施手术。在建议实施手术前,医生将考虑任何可能发生的潜在隐患及并发症。
请最好向骨外科医生咨询具体疾病情况。
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