换膝关节和换髋关节主要因为骨关节炎, 由关节软骨的磨损导致。美国每年有超过50万人换髋关节，80万人换膝关节

来源: 湖西于 2026-01-22 11:25:54 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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