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Randomized Controlled Trial
. 2016 Sep;24(9):2953-2959.
doi: 10.1007/s00167-015-3593-9. Epub 2015 Apr 9.

No difference in osteoarthritis after surgical and non-surgical treatment of ACL-injured knees after 10 years

Dimitrios Tsoukas  1 , Vasilios Fotopoulos  2 , Georgios Basdekis  3 , Konstantinos G Makridis  4   5
Affiliations
Randomized Controlled Trial

No difference in osteoarthritis after surgical and non-surgical treatment of ACL-injured knees after 10 years

Dimitrios Tsoukas et al. Knee Surg Sports Traumatol Arthrosc. 2016 Sep.

Abstract

Purpose: Aim of this study was to record and compare the functional and activity level as well as the manifestations of osteoarthritis after isolated ACL ruptures between patients with conservative treatment and ACL reconstruction with hamstrings tendon graft.

Methods: Thirty-two patients diagnosed with ACL rupture were recorded. Clinical examination included the Tegner and Lysholm activity scale, the International Knee Documentation Committee Subjective Form and KT-1000 arthrometer. Narrowing of the medial and lateral joint spaces was assessed using the IKDC knee examination score.

Results: Median follow-up was 10.3 years (range 10-11). Fifteen patients were conservatively treated (median age 33 years, range 25-39). Seventeen patients were operated (median age 31 years, range 20-36). There was significant difference between the mean values of IKDC scores in favour of the ACL-reconstruction group of patients, 86.8 (SD 6.5) versus 77.5 (SD 13.8), respectively (p = 0.04). The mean value of anteroposterior tibial translation was 1.5 mm (SD 0.2) for ACL-reconstruction group of patients, while the corresponding mean value for ACL-conservative group was 4.5 mm (SD 0.5), p = 0.03. Four patients in ACL-reconstruction group had radiological findings of grade C or D according to IKDC form. In ACL-conservative group, five patients presented similar signs (n.s.).

Conclusions: ACL reconstruction using hamstrings autograft resulted in better functional outcome and laxity measurements than ACL-conservative management. However, the incidence of radiological osteoarthritis was similar between the two groups and independent on the pre-operative grade of laxity and functional status of the patients. Equally, bone bruises were not found as a risk factor for the development of osteoarthritis after ACL rupture.

Level of evidence: Prospective randomized study, Level II.

Keywords: ACL reconstruction; ACL-conservative treatment; Hamstring autograft; Osteoarthritis; Prospective study.

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