腰椎管狭窄症由脊髓周围的空间变窄引发。这会导致沿腰部一直延伸到腿部的脊髓和神经受到压迫。在行走时,此疾病可导致疼痛向下肢辐射。
这是一种多年缓慢进展的进行性疾病。它有多种病因,例如椎间盘的柔韧性随着年龄增长而减退或骨刺的生长等等。因此,此疾病在老年人中更为常见。
腰椎管狭窄症具有以下症状:
关节炎 或关节退行性变是椎管狭窄的最常见病因。
椎间盘中的水分会随着年龄的增长而变干,这会导致椎间盘间隙沉降或塌陷以及椎间盘间隙高度降低。结果,小关节所承受的压力将增加,而软骨的保护层也会出现磨损。
导致腰椎管狭窄症的其他因素包括:
如果存在以下情况,您将面临更高的腰椎管狭窄症风险:
椎管狭窄症可能导致一种名为脊髓型颈椎病的病症。
在晚期,脊髓型颈椎病会导致颈部退行性改变,并可引发严重神经功能障碍。这可能会导致以下症状:
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