The biological acetabular reconstruction with bone allografts in hip revision arthroplasty

被引：6

作者：

Busanelli L. ^{[1
]}

Castagnini F. ^{[1
]}

Bordini B. ^{[2
]}

Stea S. ^{[2
]}

Calderoni P.P. ^{[1
]}

Toni A. ^{[1
]}

机构：

[1] Ortopedia-Traumatologia e Chirurgia protesica e dei reimpianti d’anca e di ginocchio, IRCCS Istituto Ortopedico Rizzoli, Via Pupilli 1, Bologna

[2] Laboratorio di Tecnologia Medica, IRCCS Istituto Ortopedico Rizzoli, Via di Barbiano 1/10, Bologna

来源：

MUSCULOSKELETAL SURGERY | 2019年 / 103卷 / 2期

关键词：

Acetabular; Bone loss; Long term; Loosening; Massive;

D O I：

10.1007/s12306-018-0573-5

中图分类号：

学科分类号：

摘要：

Background: Reconstructions in case of acetabular bone loss in hip revision arthroplasty are challenging. A few techniques have been proposed, with inconstant outcomes. Biological reconstructions using bone allografts may address the acetabular bone loss and restore the hip anatomy. Aim of this work was the description of the surgical technique and the evaluation of the outcomes using a regional arthroplasty register. Materials and methods: Minor or massive bone allografting was performed in hip revision arthroplasties in a tertiary center. Bulk allografts were used in severe acetabular bone losses. Fresh-frozen femoral heads were impacted in the bone cavity and porous cups were implanted; multihole sockets were used when necessary. In DeLee A zone, no grafts were used in order to reduce overstress graft resorption. The results were evaluated using a regional arthroplasty register, and a comparison with revisions without bone grafts was performed investigating re-revision rates and reasons for further revisions. Results: At 10 years, acetabular revisions with bone allografts achieved a similar survival rate than revisions without bone grafts. The re-revisions occurred more frequently in revisions without bone allografts (10.8 vs. 9.7%). In the allograft cohort, septic loosening was lower (0.3 vs. 2.6%), whereas a higher rate of aseptic cup loosening was experienced (2.7 vs. 1.4%). Conclusions: Bone allografts may provide a good restoration of the acetabular bone stock and the hip biomechanics. Septic loosening does not seems a major concern, whereas a higher rate of aseptic cup loosening should be expected when bone grafts are used. © 2018, Istituto Ortopedico Rizzoli.

引用

页码：173 / 179

页数：6

共 18 条

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