Anterior cruciate ligament reconstruction in patients older than fifty years: a comparison with a younger age group
To evaluate functional and radiological results in patients older than 50 years who underwent an anatomic anterior cruciate ligament (ACL) reconstruction with semitendinosus and gracilis tendons and to compare these results with those of patients younger than 40 years.
Thirty-six patients over the age of 50 years with a diagnosis of ACL complete lesion and 36 consecutive patients under 40 years were included in this prospective study. Follow-up included clinical evaluation using Lysholm, IKDC, and Tegner scores and a KT-1000 arthrometric evaluation. Bilateral weight-bearing radiographs were obtained before surgery and at final follow-up of five years to evaluate the degree of osteoarthritis. All patients were evaluated at a one year follow-up (T1) (range 13–17 months) and at final follow-up (T2) (range 60–72 months).
No statistically significant difference was found between the two groups at the subjective and objective evaluations. At a KT-1000 arthrometric evaluation, the mean side to side maximum manual difference was 1.6 mm in the over 50 (group I) and 2.7 mm in the under 40 (group II) (p = 0.009). At 30 lb, the mean side to side difference was 1.7 mm in the over 50 group and 2.6 mm in the under 40 group (p = 0.040). No statistically significant increase in the degree of osteoarthritis was found at follow-up in the over 50 group.
The results of this study seems to confirm that ACL reconstruction in patients older than 50 years is a safe procedure with good to excellent subjective, objective, and radiological outcomes that are comparable to those for younger patients.
KeywordsAnterior cruciate ligament Volleyball MRI Football
Compliance with ethical standards
Informed consent was obtained from all individual participants included in the study.
All procedures performed in studies involving participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
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