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全髋关节假体的不稳定、移位及松弛。一项X线立体摄影测量研究。

Instability, migration and laxity of total hip prostheses. A roentgen stereophotogrammetric study.

作者信息

Mjöberg B, Hansson L I, Selvik G

出版信息

Acta Orthop Scand. 1984 Apr;55(2):141-5. doi: 10.3109/17453678408992325.

DOI:10.3109/17453678408992325
PMID:6711279
Abstract

Roentgen stereophotogrammetric analysis was used in the evaluation of clinical and/or radiographic problems in 28 total hip replacements without suspicion of infection. Instability of the acetabular and/or the femoral component was revealed in 14 cases. In 21 cases, examined twice, migration of the acetabular component was found in eight cases and migration of the femoral component in 15 cases. The method allows instability and migration of the prosthetic components as well as joint laxity to be determined with a high degree of accuracy.

摘要

采用X线立体摄影测量分析评估28例无感染怀疑的全髋关节置换术的临床和/或影像学问题。14例发现髋臼和/或股骨部件不稳定。在21例接受两次检查的病例中，8例发现髋臼部件移位，15例发现股骨部件移位。该方法能够高度准确地确定假体部件的不稳定和移位以及关节松弛情况。

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