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Graft rotations inside the tibial during anterior cruciate ligament reconstruction with bone–patellar tendon–bone graft is effective way to avoid graft tunnel mismatch

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Abstract

Background

The graft tunnel mismatch is a well-known complication of bone–patellar tendon–bone (BPTB) graft in anterior cruciate ligament reconstruction (ACLR) surgery. In the present study, graft rotation technique is used to tackle this problem.

Aim

The present study was conducted to study the effect of this technique on functional outcomes and graft failure rate.

Methods

Ninety-nine patients who underwent ACL reconstruction using BPTB graft were enrolled in the study and depending upon the graft length these patients were divided into two groups. Group A-patients had no graft tunnel mismatch (n = 67) and group B-patients had graft tunnel mismatch (n = 32). In group B patients, the graft was rotated inside the tibial tunnel to manage the graft tunnel mismatch problem. Functional outcomes (Lysholm score and return to sports), knee laxity (KT-1000 difference), and graft rupture rate were compared between two groups.

Results

The mean KT-1000 difference in group A was 2.11 mm and in group B was 2.03 mm (n.s.). There was no significant difference in mean Lysholm score (97 vs. 97.3; p > 0.05). 78% (49/67) of patients in group B and 73% (25/32) of patients in group A returned to the same or above level of pre-injury activity (n.s.). The graft failure rate was 6% (4/67) in group A and 3% (1/32) in group B.

Conclusions

Rotation of graft inside the tibial tunnel is an effective way to deal with graft tunnel mismatch.

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Data availability

Data for this study is included in the manuscript.

Abbreviations

ACL:

Anterior cruciate ligament

BPTB:

Bone–patellar tendon–bone

ACLR:

Anterior cruciate ligament reconstruction

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Authors and Affiliations

Authors

Contributions

All authors contributed to the study's conception and design. All surgeries were performed by Dr. RG. Primary manuscript writing and methodology were set by Dr. AK. Dr. AS and Dr. SS were involved in data collection and Dr. MSM did final proofing and statistical analysis of the manuscript. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Anil Kapoor.

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The authors have no conflict of interest.

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Informed and written consent was received from all the patients.

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All procedures performed in studies involving human 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 camparable ethical standards.

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Gupta, R., Kapoor, A., Singhal, A. et al. Graft rotations inside the tibial during anterior cruciate ligament reconstruction with bone–patellar tendon–bone graft is effective way to avoid graft tunnel mismatch. Sport Sci Health 20, 103–107 (2024). https://doi.org/10.1007/s11332-023-01071-x

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