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Delayed PCL reconstruction linked to more cartilage and meniscal injuries

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Research area:medicine-clinical

What the study found

The study found that later posterior cruciate ligament reconstruction, especially when surgery was delayed beyond 24 months after injury, was associated with more cartilage and meniscal injuries. Older age was also associated with a higher prevalence of these injuries, and higher body mass index was associated with more patellofemoral cartilage injury.

Why the authors say this matters

The authors conclude that delayed posterior cruciate ligament reconstruction, older age, and higher body mass index are important factors related to a higher prevalence of cartilage and meniscal injuries after grade III posterior cruciate ligament injuries. The study suggests these patient and timing factors may help identify people at greater risk of associated joint damage.

What the researchers tested

The researchers reviewed 1,003 patients who had primary isolated posterior cruciate ligament reconstruction between August 2016 and July 2024. They used arthroscopic evaluation to confirm cartilage and meniscal injuries, graded cartilage with the International Cartilage Repair Society classification, and performed multivariable logistic regression to identify risk factors.

What worked and what didn't

Longer time from injury to surgery, especially more than 24 months, was significantly associated with higher risk of patellofemoral, lateral compartment, and medial compartment cartilage injury, as well as medial meniscal injury, compared with surgery within 3 months. Older age significantly increased the prevalence of all cartilage and meniscal injuries, while increased body mass index was independently associated with a higher incidence of patellofemoral cartilage injury.

What to keep in mind

This was a retrospective cohort study, so the abstract does not describe randomized treatment assignment. The summary also does not provide details on other possible limitations beyond the study design and the fact that the findings come from patients who underwent primary isolated posterior cruciate ligament reconstruction.

Key points

  • In 1,003 patients, delayed posterior cruciate ligament reconstruction was linked to more concomitant cartilage and meniscal injuries.
  • Surgery delayed beyond 24 months was associated with higher odds of cartilage injury in the patellofemoral, lateral, and medial compartments.
  • Delayed surgery was also associated with a higher risk of medial meniscal injury.
  • Older age was significantly associated with a higher prevalence of all cartilage and meniscal injuries.
  • Higher body mass index was independently associated with more patellofemoral cartilage injury.

Disclosure

Research title:
Delayed PCL reconstruction linked to more cartilage and meniscal injuries
Authors:
Wenbin Bai, Cheng Wang, Moran Zhu, H Q Ji, Ye Zhang, Yuanhang Zhao, Yi-Xiang Wang, H B Wang, Xi Gong, Yi-Xiang Wang, Weili Shi
Institutions:
Peking University, Peking University, Peking University, Peking University, Peking University, Peking University, Peking University, Peking University, Peking University, Peking University, Peking University Third Hospital, Peking University Third Hospital, Peking University Third Hospital, Peking University Third Hospital, Peking University Third Hospital, Peking University Third Hospital, Peking University Third Hospital, Peking University Third Hospital, Peking University Third Hospital, Peking University Third Hospital
Publication date:
2026-04-23
DOI:
10.1002/arj.70147
OpenAlex record:
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AI provenance: This post was generated by gpt-5.4-mini (OpenAI). The original authors did not write or review this post.

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