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<p>This meta-analysis addresses the relationship between infection developing after total hip arthroplasty (THA) and heterotopic ossification (HO). To critically assess the limitations of existing literature we screened for full-length peer-reviewed research articles listed in PubMed, Embase, and Web of Science over the past 20 years (2004–2024). The following search terms and Boolean operators were used: heterotopic ossification AND infection AND (hip replacement OR hip arthroplasty). A total of 14 articles were identified that describe periprosthetic joint infection (PJI) and HO after THA. Data summarized from 6 studies suitable for further meta-analysis yielded a cumulative sample size of 753 observations, with 186 recorded events of HO. The pooled RR was estimated at 2.22 (95% CI: 1.00 to 4.91, <i>p</i> = 0.0497), suggesting a more than twofold risk of HO compared to the group without PJI. Basic research findings support the hypothesis that bacterial pathogen-associated molecular patterns (PAMPs) can lead to osteogenesis through a toll-like receptor (TLR) and nuclear factor kappa B (NF-κB) pathway. Together, these results suggest that during revisions following THA for presumed non-septic reasons, the presence of HO warrants consideration for infection, as there is a potential heightened risk of pathologic ossification induced by PAMPs.</p>

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Periprosthetic joint infection and heterotopic ossification after total hip arthroplasty: systematic review and meta-analysis

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年8月8日

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  • Łukasz Pulik,
  • Paweł Łęgosz,
  • Edyta Brzóska,
  • Bartosz Mierzejewski,
  • Iwona Grabowska,
  • Maria A. Ciemerych,
  • Robert Hube

摘要

This meta-analysis addresses the relationship between infection developing after total hip arthroplasty (THA) and heterotopic ossification (HO). To critically assess the limitations of existing literature we screened for full-length peer-reviewed research articles listed in PubMed, Embase, and Web of Science over the past 20 years (2004–2024). The following search terms and Boolean operators were used: heterotopic ossification AND infection AND (hip replacement OR hip arthroplasty). A total of 14 articles were identified that describe periprosthetic joint infection (PJI) and HO after THA. Data summarized from 6 studies suitable for further meta-analysis yielded a cumulative sample size of 753 observations, with 186 recorded events of HO. The pooled RR was estimated at 2.22 (95% CI: 1.00 to 4.91, p = 0.0497), suggesting a more than twofold risk of HO compared to the group without PJI. Basic research findings support the hypothesis that bacterial pathogen-associated molecular patterns (PAMPs) can lead to osteogenesis through a toll-like receptor (TLR) and nuclear factor kappa B (NF-κB) pathway. Together, these results suggest that during revisions following THA for presumed non-septic reasons, the presence of HO warrants consideration for infection, as there is a potential heightened risk of pathologic ossification induced by PAMPs.