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Does early anterior cruciate ligament reconstruction prevent development of meniscal damage? Results from a secondary analysis of a randomised controlled trial

Snoeker, Barbara A. LU ; Roemer, Frank W. LU ; Turkiewicz, Aleksandra LU ; Lohmander, Stefan LU orcid ; Frobell, Richard B. LU and Englund, Martin LU orcid (2020) In British Journal of Sports Medicine 54(10). p.612-617
Abstract

Objectives To determine development of new and worsening meniscal damage over 5 years after acute anterior cruciate ligament (ACL) injury comparing rehabilitation plus early ACL reconstruction (’early-ACLR’) versus rehabilitation with optional delayed ACL reconstruction (’optional-delayed-ACLR’). Methods We used knee MRIs from the only randomised controlled trial in the field including 121 young adults. One musculoskeletal radiologist read baseline and 5-year follow-up images using the Anterior Cruciate Ligament Osteoarthritis Score (ACLOAS). We defined development (ie, new and worsening) of meniscal damage both dichotomously and as a sum score representing severity (based on the reclassified ACLOAS meniscus grades). In the full... (More)

Objectives To determine development of new and worsening meniscal damage over 5 years after acute anterior cruciate ligament (ACL) injury comparing rehabilitation plus early ACL reconstruction (’early-ACLR’) versus rehabilitation with optional delayed ACL reconstruction (’optional-delayed-ACLR’). Methods We used knee MRIs from the only randomised controlled trial in the field including 121 young adults. One musculoskeletal radiologist read baseline and 5-year follow-up images using the Anterior Cruciate Ligament Osteoarthritis Score (ACLOAS). We defined development (ie, new and worsening) of meniscal damage both dichotomously and as a sum score representing severity (based on the reclassified ACLOAS meniscus grades). In the full analysis set, we analysed development of meniscal damage (yes/no) with logistic regression and severity with zero-inflated Poisson regression and adjusted for age, sex and baseline meniscal damage. Results Over 5 years, new or worsening meniscal damage developed in 45% of subjects with early-ACLR and in 53% of subjects with optional-delayed-ACLR. The relative risk for development of meniscal damage on knee level was 1.3 (95% CI 0.9 to 1.9) in optional-delayed-ACLR versus early-ACLR. For medial and lateral meniscal damage, respectively, the relative risks were 2.1 (95% CI 1.1 to 3.9) and 1.0 (95% CI 0.6 to 1.5). The mean severity score was 1.5 higher (more severe damage) on knee level in optional-delayed-ACLR versus early-ACLR (95% CI 1.1 to 1.9) among those with meniscal damage at 5 years. For medial and lateral meniscal damage, respectively, the corresponding scores were 1.7 (95% CI 1.2 to 2.5) and 1.1 (95% CI 0.8 to 1.4). Conclusion A strategy of early-ACLR may reduce development of medial meniscal damage following acute ACL injury. For the lateral meniscus, ACLR seems neither to be protective nor to increase the risk of damage.

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author
; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
British Journal of Sports Medicine
volume
54
issue
10
pages
612 - 617
publisher
BMJ Publishing Group
external identifiers
  • scopus:85074336474
  • pmid:31653779
ISSN
0306-3674
DOI
10.1136/bjsports-2019-101125
language
English
LU publication?
yes
additional info
Publisher Copyright: © Author(s) (or their employer(s)) 2020.
id
6452a296-e2ca-47f3-86c1-c195455a78b8
date added to LUP
2026-07-23 16:29:31
date last changed
2026-08-10 08:43:10
@article{6452a296-e2ca-47f3-86c1-c195455a78b8,
  abstract     = {{<p>Objectives To determine development of new and worsening meniscal damage over 5 years after acute anterior cruciate ligament (ACL) injury comparing rehabilitation plus early ACL reconstruction (’early-ACLR’) versus rehabilitation with optional delayed ACL reconstruction (’optional-delayed-ACLR’). Methods We used knee MRIs from the only randomised controlled trial in the field including 121 young adults. One musculoskeletal radiologist read baseline and 5-year follow-up images using the Anterior Cruciate Ligament Osteoarthritis Score (ACLOAS). We defined development (ie, new and worsening) of meniscal damage both dichotomously and as a sum score representing severity (based on the reclassified ACLOAS meniscus grades). In the full analysis set, we analysed development of meniscal damage (yes/no) with logistic regression and severity with zero-inflated Poisson regression and adjusted for age, sex and baseline meniscal damage. Results Over 5 years, new or worsening meniscal damage developed in 45% of subjects with early-ACLR and in 53% of subjects with optional-delayed-ACLR. The relative risk for development of meniscal damage on knee level was 1.3 (95% CI 0.9 to 1.9) in optional-delayed-ACLR versus early-ACLR. For medial and lateral meniscal damage, respectively, the relative risks were 2.1 (95% CI 1.1 to 3.9) and 1.0 (95% CI 0.6 to 1.5). The mean severity score was 1.5 higher (more severe damage) on knee level in optional-delayed-ACLR versus early-ACLR (95% CI 1.1 to 1.9) among those with meniscal damage at 5 years. For medial and lateral meniscal damage, respectively, the corresponding scores were 1.7 (95% CI 1.2 to 2.5) and 1.1 (95% CI 0.8 to 1.4). Conclusion A strategy of early-ACLR may reduce development of medial meniscal damage following acute ACL injury. For the lateral meniscus, ACLR seems neither to be protective nor to increase the risk of damage.</p>}},
  author       = {{Snoeker, Barbara A. and Roemer, Frank W. and Turkiewicz, Aleksandra and Lohmander, Stefan and Frobell, Richard B. and Englund, Martin}},
  issn         = {{0306-3674}},
  language     = {{eng}},
  month        = {{05}},
  number       = {{10}},
  pages        = {{612--617}},
  publisher    = {{BMJ Publishing Group}},
  series       = {{British Journal of Sports Medicine}},
  title        = {{Does early anterior cruciate ligament reconstruction prevent development of meniscal damage? Results from a secondary analysis of a randomised controlled trial}},
  url          = {{http://dx.doi.org/10.1136/bjsports-2019-101125}},
  doi          = {{10.1136/bjsports-2019-101125}},
  volume       = {{54}},
  year         = {{2020}},
}