Acetabular custom-made implants for severe acetabular bone defect in revision total hip arthroplasty: a systematic review of the literature

Francesco Chiarlone, Andrea Zanirato, Luca Cavagnaro, Mattia Alessio-Mazzola, Lamberto Felli, Giorgio Burastero

Research output: Contribution to journalArticle

Abstract

Purpose: The management of acetabular bone loss is a challenging problem in revision total hip arthroplasty (rTHA). The aim of this systematic review is to summarize and critically analyze indications, complications, clinical and radiological outcomes of custom-made acetabular components in rTHA. Methods: A systematic review of English literature was performed on Medline. Retrospective or prospective studies with minimum 2 years of follow-up (FU) were included. The PRISMA 2009 flowchart and checklist were considered to edit the review. Rates of intra- or post-operative complications, aseptic loosening (AL), periprosthetic joint infection (PJI), reoperations and re-revisions rates were extrapolated. Results: 18 articles with a level of evidence of IV were included. Six hundred and thirty-four acetabular custom components (627 patients) with a mean FU of 58.6 ± 29.8 months were analyzed. The studies showed good clinical and functional outcomes. Custom-made acetabular components allowed a stable fixation with 94.0 ± 5.0% survival rate. The estimated rate of re-operations and re-revisions were 19.3 ± 17.3% and 5.2 ± 4.7%, respectively. The incidence of PJI was 4.0 ± 3.9%. Conclusions: The acetabular custom-made implants represent a reliable solution for pelvic discontinuity and particular cases of bone loss classified as Paprosky Type IIIA-B or type III–IV according to American Academy of Orthopaedic Surgeons system where the feature of the defect cannot be handled with standard implants. This strategy allows to fit the implant to the residual host bone, bypassing the bony deficiency and restoring hip biomechanics. Satisfactory clinical and radiological outcomes at mid-term follow-up are reported in literature.

Original languageEnglish
JournalArchives of Orthopaedic and Trauma Surgery
DOIs
Publication statusAccepted/In press - Jan 1 2020

Fingerprint

Arthroplasty
Hip
Bone and Bones
Joints
Software Design
Infection
Checklist
Reoperation
Biomechanical Phenomena
Survival Rate
Retrospective Studies
Prospective Studies
Incidence

Keywords

  • Acetabular bone defects
  • Custom-made acetabular implants
  • Paprosky classification
  • Pelvic discontinuity
  • Revision total hip arthroplasty
  • Triflanged acetabular custom-made component

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

Cite this

Acetabular custom-made implants for severe acetabular bone defect in revision total hip arthroplasty : a systematic review of the literature. / Chiarlone, Francesco; Zanirato, Andrea; Cavagnaro, Luca; Alessio-Mazzola, Mattia; Felli, Lamberto; Burastero, Giorgio.

In: Archives of Orthopaedic and Trauma Surgery, 01.01.2020.

Research output: Contribution to journalArticle

Chiarlone, Francesco ; Zanirato, Andrea ; Cavagnaro, Luca ; Alessio-Mazzola, Mattia ; Felli, Lamberto ; Burastero, Giorgio. / Acetabular custom-made implants for severe acetabular bone defect in revision total hip arthroplasty : a systematic review of the literature. In: Archives of Orthopaedic and Trauma Surgery. 2020.
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abstract = "Purpose: The management of acetabular bone loss is a challenging problem in revision total hip arthroplasty (rTHA). The aim of this systematic review is to summarize and critically analyze indications, complications, clinical and radiological outcomes of custom-made acetabular components in rTHA. Methods: A systematic review of English literature was performed on Medline. Retrospective or prospective studies with minimum 2 years of follow-up (FU) were included. The PRISMA 2009 flowchart and checklist were considered to edit the review. Rates of intra- or post-operative complications, aseptic loosening (AL), periprosthetic joint infection (PJI), reoperations and re-revisions rates were extrapolated. Results: 18 articles with a level of evidence of IV were included. Six hundred and thirty-four acetabular custom components (627 patients) with a mean FU of 58.6 ± 29.8 months were analyzed. The studies showed good clinical and functional outcomes. Custom-made acetabular components allowed a stable fixation with 94.0 ± 5.0{\%} survival rate. The estimated rate of re-operations and re-revisions were 19.3 ± 17.3{\%} and 5.2 ± 4.7{\%}, respectively. The incidence of PJI was 4.0 ± 3.9{\%}. Conclusions: The acetabular custom-made implants represent a reliable solution for pelvic discontinuity and particular cases of bone loss classified as Paprosky Type IIIA-B or type III–IV according to American Academy of Orthopaedic Surgeons system where the feature of the defect cannot be handled with standard implants. This strategy allows to fit the implant to the residual host bone, bypassing the bony deficiency and restoring hip biomechanics. Satisfactory clinical and radiological outcomes at mid-term follow-up are reported in literature.",
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