What does this research mean for the field?

Tibial tunnel malposition during anatomical single-bundle anterior cruciate ligament reconstruction does not significantly affect mid-term knee stability and clinical outcomes, although posterior placement may impact pain scores. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To determine how the location of the tibial tunnel affects knee function and stability after ACL reconstruction using hamstring autografts.

June 6, 2026The Journal of Knee Surgery

Does Tibial Tunnel Placement Affect Postoperative Function and Isokinetic Outcomes in Patients Undergoing Anatomical Single-Bundle Anterior Cruciate Ligament Reconstruction with Hamstring Autograft?

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Authors

EAEmrah ArslantaşAksaray University ADAlper DevecıÖzel Ortadoğu 19 Mayıs Hastanesi GÖGüzelali ÖzdemirMemorial Ankara Hospital

Discussion

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Implication

Randomized trial examines tibial tunnel’s effect on knee function and stability in ACL patients, suggesting minimal impact.

Key Points

To determine how the location of the tibial tunnel affects knee function and stability after ACL reconstruction using hamstring autografts.
Retrospective evaluation of MRI scans from 34 patients post-ACL reconstruction
Tibial tunnel location assessed using anatomical landmarks and contralateral knee scans
Evaluation of knee stability, muscle strength, and clinical outcomes using validated scores
Patients with a posterior tunnel position had lower KOOS pain scores (p = 0.023) than those with a regular position
No significant differences in pivot shift, isokinetic test results, or other KOOS scores were observed between groups
High agreement between measurement techniques with kappa value of 0.681 (p < 0.001)

Cite This Study

Arslantaş et al. (2026) studied this question.

synapsesocial.com/papers/6a23ba6871a5da9775e76205 https://doi.org/10.1055/a-2886-7914

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