Editorial Commentary: Low-Grade Infections May Contribute to Anterior Cruciate Ligament Reconstruction Graft Failure.

The etiology of anterior cruciate ligament (ACL) reconstruction failure is often multifactorial, and the role of subclinical bacterial colonization in ACL reconstruction failure has not been fully elucidated. Although the presence of bacterial metabolism in and of itself does not indicate true clinical infection, low-grade infections may contribute to ACL reconstruction graft failure. Bacterial biofilms on soft tissue grafts are shown to change the crimp patterns of collagen and lower graft load to failure. In addition, bacterial DNA has been reported in 80-87% of failed ACL grafts during revision surgery compared to only 20% of primary ACL grafts. Also, higher bacterial DNA concentration is associated with tibial tunnel widening. Further study is needed to establish if any causal relationship between bacterial colonization and ACL graft failure exists. But it does seem that the circumstantial evidence is pointing to such a relationship. Copyright © 2023 Arthroscopy Association of North America. Published by Elsevier Inc. All rights reserved.

Citation

Zach Burnett, Paul Stoodley, David C Flanigan. Editorial Commentary: Low-Grade Infections May Contribute to Anterior Cruciate Ligament Reconstruction Graft Failure. Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association. 2024 Feb;40(2):409-411

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PMID: 38296444

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