Modular component exchange and outcome of DAIR for hip and knee periprosthetic joint infection : a systematic review and meta-regression analysis

Gerritsen, M.; Khawar, A.; Scheper, H.; van der Wal, R.; Schoones, J.; de Boer, M.; Nelissen, R.; Pijls, B.; Gerritsen, M; Khawar, A; Scheper, H; van der Wal, R; Schoones, J; de Boer, M; Nelissen, R; Pijls, B

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Modular component exchange and outcome of DAIR for hip and knee periprosthetic joint infection : a systematic review and meta-regression analysis

Gerritsen, M.; Khawar, A.; Scheper, H.; van der Wal, R.; Schoones, J.; de Boer, M.; Nelissen, R.; Pijls, B.

Bone and Joint Open 2(10): 806-812

2021

ISSN/ISBN: 2633-1462

PMID: 34592839

Accession: 072147350

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Summary

The aim of this meta-analysis is to assess the association between exchange of modular parts in debridement, antibiotics, and implant retention (DAIR) procedure and outcomes for hip and knee periprosthetic joint infection (PJI). We conducted a systematic search on PubMed, Embase, Web of Science, and Cochrane library from inception until May 2021. Random effects meta-analyses and meta-regression was used to estimate, on a study level, the success rate of DAIR related to component exchange. Risk of bias was appraised using the (AQUILA) checklist. We included 65 studies comprising 6,630 patients. The pooled overall success after DAIR for PJI was 67% (95% confidence interval (CI) 63% to 70%). This was 70% (95% CI 65% to 75%) for DAIR for hip PJI and 63% (95% CI 58% to 69%) for knee PJI. In studies before 2004 (n = 27), our meta-regression analysis showed a 3.5% increase in success rates for each 10% increase in component exchange in DAIR for hip PJI and a 3.1% increase for each 10% increase in component exchange for knee PJI. When restricted to studies after 2004 (n = 37), this association changed: for DAIR for hip PJI a decrease in successful outcome by 0.5% for each 10% increase in component exchange and for DAIR for knee PJI this was a 0.01% increase in successful outcome for each 10% increase in component exchange. This systematic review and meta-regression found no benefit of modular component exchange on reduction of PJI failure. This limited effect should be weighed against the risks for the patient and cost on a case-by-case basis. The association between exchange of modular components and outcome changed before and after 2004. This suggests the effect seen after 2004 may reflect a more rigorous, evidence-based, approach to the infected implant compared to the years before. Level of Evidence: Level III Cite this article: Bone Jt Open 2021;2(10):806-812.

Modular component exchange and outcome of DAIR for hip and knee periprosthetic joint infection : a systematic review and meta-regression analysis

Gerritsen, M.; Khawar, A.; Scheper, H.; van der Wal, R.; Schoones, J.; de Boer, M.; Nelissen, R.; Pijls, B.

Bone and Joint Open 2(10): 806-812

2021

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