The authors conducted a prospective cross‑sectional cohort study (Level II) of 233 patients with isolated primary ACL ruptures treated within one year of injury. Patients were divided into early reconstruction (<6 months, n = 201) and delayed reconstruction (7–12 months, n = 32). Cartilage lesions were graded using the ICRS system and meniscal tears were classified by treatment (repair vs resection). Severe cartilage lesions (ICRS III–IV) occurred in 39.9 % of early and 31.3 % of delayed cases, a non‑significant difference. In contrast, medial meniscal repair was performed significantly more often in the early group (77.2 % vs 46.7 %, p = 0.022), especially among women (89.5 % vs 0 %, p = 0.002). No timing‑related differences were observed for lateral meniscus treatment or for the overall incidence of meniscal tears. The authors conclude that early ACL reconstruction (within six months) preserves the opportunity for meniscal repair, which may reduce long‑term osteoarthritis risk, and they recommend this timing, particularly for female patients. Limitations include strict exclusion criteria, non‑randomized design, and a relatively small delayed‑surgery cohort.
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Study Rationale: Timing of ACL Reconstruction as a Modifiable Factor for Meniscal and Cartilage Outcomes
Explains why the authors hypothesized that earlier ACL surgery could protect meniscal tissue and limit cartilage degeneration, linking these pathologies to future osteoarthritis.