The American journal of sports medicine · 2026
Early Anterior Cruciate Ligament Reconstruction Is Associated With Decreased Risk of Osteoarthritis Compared With Delayed Reconstruction: A Systematic Review and Meta-analysis.
СтатьяСистематический обзорМетаанализНазвание и аннотация: Перевод в очереди
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van der List Jelle P, Meixner Cory, Kaeding Christopher C, Magnussen Robert A, Flanigan David C
Аннотация
BACKGROUND: Anterior cruciate ligament (ACL) injuries are common, and ACL reconstruction (ACLR) restores stability and enables return to sport. To date, however, studies have failed to show that ACLR prevents long-term osteoarthritis, but the role of timing of ACLR in osteoarthritis has not been extensively examined in meta-analyses.
PURPOSE: To compare the risk of long-term osteoarthritis after early versus delayed ACLR in the literature.
STUDY DESIGN: Systematic review and meta-analysis; Level of evidence, 4.
METHODS: The PubMed, Embase, and Cochrane Library databases were searched from 2000 to August 2024 for studies comparing osteoarthritis between early and delayed ACLR at a minimum 5-year follow-up. Outcomes are reported as risk reduction with 95% confidence interval for osteoarthritis incidence, and odds ratio with 95% confidence interval for difference in time from injury to surgery. Random-effects models were used.
RESULTS: Seventeen studies (3953 ACLRs) were included (mean age, 28.8 years; 67% male; mean follow-up, 13.3 years; 52% meniscectomy; 31% osteoarthritis incidence). The quality of the studies was rated as moderate, with a Methodological Index for Non-Randomized Studies score of 78% of maximum. Overall, earlier ACLR led to a 10% reduction in osteoarthritis compared with delayed ACLR (95% CI, 6%-14%; P < .001). Two studies (1474 patients) reported a 6% incidence reduction when ACLR was performed within versus after 1 month (95% CI, 2%-10%; P = .005). Similarly, 4 studies (349 patients) reported a 16% incidence reduction when ACLR was performed within versus after 6 months (95% CI, 5%-26%; P = .004), and 5 studies (2248 patients) showed a 13% osteoarthritis reduction with ACLR within versus after 12 months (95% CI, 6%-20%; P = .003). Six studies (685 patients) reported that patients without osteoarthritis were operated on a mean 15 months earlier than patients who developed osteoarthritis (95% CI, 2-29 months; P = .03).
CONCLUSION: This systematic review with a 5-year minimum follow-up demonstrates that shorter time from injury to ACLR was associated with a decreased incidence of long-term osteoarthritis. This reduced risk was already seen when surgery was performed within 1 month but most pronounced within 6 months and 12 months.
PURPOSE: To compare the risk of long-term osteoarthritis after early versus delayed ACLR in the literature.
STUDY DESIGN: Systematic review and meta-analysis; Level of evidence, 4.
METHODS: The PubMed, Embase, and Cochrane Library databases were searched from 2000 to August 2024 for studies comparing osteoarthritis between early and delayed ACLR at a minimum 5-year follow-up. Outcomes are reported as risk reduction with 95% confidence interval for osteoarthritis incidence, and odds ratio with 95% confidence interval for difference in time from injury to surgery. Random-effects models were used.
RESULTS: Seventeen studies (3953 ACLRs) were included (mean age, 28.8 years; 67% male; mean follow-up, 13.3 years; 52% meniscectomy; 31% osteoarthritis incidence). The quality of the studies was rated as moderate, with a Methodological Index for Non-Randomized Studies score of 78% of maximum. Overall, earlier ACLR led to a 10% reduction in osteoarthritis compared with delayed ACLR (95% CI, 6%-14%; P < .001). Two studies (1474 patients) reported a 6% incidence reduction when ACLR was performed within versus after 1 month (95% CI, 2%-10%; P = .005). Similarly, 4 studies (349 patients) reported a 16% incidence reduction when ACLR was performed within versus after 6 months (95% CI, 5%-26%; P = .004), and 5 studies (2248 patients) showed a 13% osteoarthritis reduction with ACLR within versus after 12 months (95% CI, 6%-20%; P = .003). Six studies (685 patients) reported that patients without osteoarthritis were operated on a mean 15 months earlier than patients who developed osteoarthritis (95% CI, 2-29 months; P = .03).
CONCLUSION: This systematic review with a 5-year minimum follow-up demonstrates that shorter time from injury to ACLR was associated with a decreased incidence of long-term osteoarthritis. This reduced risk was already seen when surgery was performed within 1 month but most pronounced within 6 months and 12 months.