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J Orthop Res. 2018 Oct;36(10):2696-2708. doi: 10.1002/jor.24043. Epub 2018 Jun 13.

Meta-analysis of meta-analyses of anterior cruciate ligament injury reduction training programs.

Author information

1
School of Allied Health, La Trobe University, Victoria, Australia.
2
Mayo Clinic Biomechanics Laboratories, Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota.
3
Department of Physiology & Biomedical Engineering, Mayo Clinic, Rochester, Minnesota.
4
Mayo Clinic Sports Medicine Center, Mayo Clinic, Rochester, Minnesota.
5
Department of Physical Medicine & Rehabilitation, Mayo Clinic, Rochester, Minnesota.

Abstract

Several meta-analyses have been published on the effectiveness of anterior cruciate ligament (ACL) injury prevention training programs to reduce ACL injury risk, with various degrees of risk reduction reported. The purpose of this research was to perform a systematic review and meta-analysis of overlapping meta-analyses evaluating the effectiveness of ACL injury prevention training programs so as to summarize the amount of reduction in risk for all ACL and non-contact ACL injuries into a single source, and determine if there were sex differences in the relative efficacy of ACL injury prevention training programs. Five databases (Medline, PubMed, Embase, CINAHL, and Cochrane) were searched to identify meta-analyses that evaluated the effectiveness of ACL injury prevention training programs on ACL injury risk. ACL injury data were extracted and the results from each meta-analysis were combined using a summary meta-analysis based on odds ratios (OR). Eight meta-analyses met eligibility criteria. Six of the eight only included data for female athletes. Summary meta-analysis showed an overall 50% reduction (OR = 0.5 [0.41-0.59]; I2  = 15%) in the risk of all ACL injuries in all athletes and a 67% reduction (OR = 0.33 [0.27-0.41]; I2  = 15%) for non-contact ACL injuries in females. This paper combines all previous meta-analyses into a single source and shows conclusive evidence that ACL injury prevention programs reduce the risk of all ACL injuries by half in all athletes and non-contact ACL injuries by two-thirds in female athletes. There is insufficient data to make conclusions as to the effectiveness of ACL injury prevention programs in male athletes. © 2018 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:2696-2708, 2018.

KEYWORDS:

anterior cruciate ligament; injury prevention; neuromuscular training; sports injury

PMID:
29737024
DOI:
10.1002/jor.24043
[Indexed for MEDLINE]
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