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Change in CT-measured acetabular bone density following total hip arthroplasty: a systematic review and meta-analysis.


ABSTRACT:

Background and purpose

Assessing peri-acetabular bone quality is valuable for optimizing the outcomes of primary total hip arthroplasty (THA) as preservation of good quality bone stock likely affects implant stability. The aim of this study was to perform a meta-analysis of peri-acetabular bone mineral density (BMD) changes over time measured using quantitative computer tomography (CT) and, second, to investigate the influence of age, sex, and fixation on the change in BMD over time.

Methods

A systematic search of Embase, Scopus, Web of Science, and PubMed databases identified 19 studies that measured BMD using CT following THA. The regions of interest (ROI), reporting of BMD results, and scan protocols were extracted. A meta-analysis of BMD was performed on 12 studies that reported measurements immediately postoperatively and at follow-up.

Results

The meta-analysis determined that periacetabular BMD around both cemented and uncemented components decreases over time. The amount of BMD loss increased relative to proximity of the acetabular component. There was a greater decrease in cortical BMD over time in females and cancellous BMD for young patients of any sex.

Conclusion

Peri-acetabular BMD decreases at different rates relative to its proximity to the acetabular component. Cancellous BMD decreases more in young patients and cortical bone decreases more in females. Standardized reporting parameters and suggested ROI to measure peri-acetabular BMD are proposed, to enable comparison between implant and patient variables in the future.

SUBMITTER: Robertson TS 

PROVIDER: S-EPMC10140760 | biostudies-literature | 2023 Apr

REPOSITORIES: biostudies-literature

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Publications

Change in CT-measured acetabular bone density following total hip arthroplasty: a systematic review and meta-analysis.

Robertson Thomas S TS   Pijls Bart G BG   Munn Zachary Z   Solomon L Bogdan LB   Nelissen Rob G H H RGHH   Callary Stuart A SA  

Acta orthopaedica 20230427


<h4>Background and purpose</h4>Assessing peri-acetabular bone quality is valuable for optimizing the outcomes of primary total hip arthroplasty (THA) as preservation of good quality bone stock likely affects implant stability. The aim of this study was to perform a meta-analysis of peri-acetabular bone mineral density (BMD) changes over time measured using quantitative computer tomography (CT) and, second, to investigate the influence of age, sex, and fixation on the change in BMD over time.<h4>  ...[more]

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