金属衬垫可提高髋关节表面置换的生存率。
Metal backing improves the survival of surface replacement of the hip.
作者信息
Franzén H, Mjöberg B, Rydholm U
机构信息
Department of Orthopedics, Lund University Hospital, Sweden.
出版信息
Arch Orthop Trauma Surg. 1993;112(6):257-9. doi: 10.1007/BF00452960.
Nineteen patients with juvenile chronic arthritis underwent 29 resurfacing hip arthroplasties. In 22 the original all-plastic Wagner acetabular component was used and in 7 the metal-backed Wagner-Tillmann component. After a mean of 11 (range 8-13) years 19 of the Wagner acetabular components had been revised and another 2 showed radiographic loosening. After a mean of 7 (range 5-9) years no metal-backed acetabular cup had been revised and only 1 was definitely loose.
19例青少年慢性关节炎患者接受了29次髋关节表面置换术。其中22例使用了原装全塑料的瓦格纳髋臼组件，7例使用了金属背衬的瓦格纳-蒂尔曼组件。平均11年（8 - 13年）后，19个瓦格纳髋臼组件进行了翻修，另有2个显示影像学松动。平均7年（5 - 9年）后，没有金属背衬髋臼杯进行翻修，只有1个明确松动。
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