ArticleEuropean journal of orthopaedic surgery & traumatology : orthopedie traumatologie2025
Influence of two different techniques of anterior cruciate ligament reconstruction on tunnel morphology and functional outcome: a retrospective cohort study.
Article in European journal of orthopaedic surgery & traumatology : orthopedie traumatologie, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveThe purpose of this study was to compare the all-inside (Group A) and conventional (Group B) anterior cruciate ligament reconstruction (ACLR) methods in terms of tunnel or socket morphology and functional outcomes.
designRetrospective cohort study.
methodsTunnel morphology was evaluated using a computed tomography scan and compared with intra-operative tibial and femoral drilling diameter at a mean follow-up of 29 months following ACLR between these groups. Clinical outcomes were studied using the 2000 IKDC subjective knee score, Lysholm score, and Knee Laxity Tester.
resultsThe study compared the tunnel morphology of all-inside (Group A; 20 subjects) and conventional (Group B; 43 subjects) ACLR methods in 63 patients. The results showed no significant differences in functional outcomes between the two groups. However, the femoral tunnel shrunk in Group A by 1.32% and 6.9% at articular (F1) and mid-portion (F2), respectively, compared to Group B at the same locations. The tibial tunnel widened in Group A by 1.91% and 11.07% at articular (T1) and mid-portion (T2) respectively, compared to Group B at the same locations. The statistical analysis showed a significant difference in the tunnel diameter change between the two groups at F2 (P = 0.02), T1 (P = 0.008), and T2 (P = 0.04).
conclusionThis study found that patients who underwent all-inside ACLR (Group A) had similar functional outcomes to those who underwent conventional ACLR (Group B). However, "tunnel diameter changes were overall more favourable in the all-inside group, particularly on the femoral side".
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