Migration of the acetabular component after revision with impacted morselized allografts -: A radiostereometric 2-year follow-up analysis of 21 cases

被引：25

作者：

Ornstein, E ^{[1
]}

Franzén, H

Johnsson, R

Sandquist, P

Stefánsdóttir, A

Sundberg, M

机构：

[1] Hassleholm Kristianstad Cty Hosp, Dept Orthoped, SE-28125 Hassleholm, Sweden

[2] Angelholm Cty Hosp, Dept Orthoped, SE-26281 Angelholm, Sweden

[3] Univ Lund Hosp, Dept Orthoped, SE-22185 Lund, Sweden

来源：

ACTA ORTHOPAEDICA SCANDINAVICA | 1999年 / 70卷 / 04期

关键词：

D O I：

10.3109/17453679908997821

中图分类号：

R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学（修复外科学）];

学科分类号：

摘要：

In a consecutive series of hip revisions due to mechanical loosening, using impacted morselized allografts and cement, we followed 21 acetabular components by radiostereometric analysis (RSA) during 2 years. Ail but 1 acetabular component migrated in the proximal direction (median 2.1 (0.5-6.4) mm), 6 components migrated in the medial direction (median 0.8 (0.4-1.2) mm) and 6 in the lateral (median 0.8 (0.4-2.0) mm). 14 components migrated in the posterior direction (median 0.8 (0.3-2.3) mm) and 1 in the anterior 0.6 mm. The migration rate gradually decreased in all directions, but 7 acetabular components still migrated in at least 1 direction (median 0.3-0.6 mm) between 1.5 and 2 years postoperatively.

引用

页码：338 / 342

页数：5

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