Neglected errors in ligament reconstruction surgery may increase graft-tunnel mismatch: A biomechanical study

Hongwei Xu, Weichao Jiang, Songying Du, Honggang Zhu, Rui Sun, Xuejian Bai, Bo Wu, Qun Li, Da Huo and Huaiyu Yang

PLOS ONE, 2024, vol. 19, issue 9, 1-19

Abstract: Tunnel widening is a frequent problem following arthroscopic ligament reconstruction surgery that may primarily arise from a graft-tunnel mismatch caused by errors in surgical instruments and methods. The present study aimed to observe the influence of current surgical instruments and methods on graft-tunnel matching. We established an in vitro model using porcine Achilles tendons and tibias, and compared traditional surgical instruments (control group) with custom instruments (experimental group). Graft measurements, bone-tunnel creation, and measurements of the maximum pullout force of the graft from the bone tunnel were performed. Results indicated that the measuring gauge developed by our research group (capable of accurate measurement of graft diameters) may mitigate errors arising from graft-diameter measurement using traditional measuring cylinders. Therefore, errors caused by current surgical instruments and surgical methods led to an increase in graft-tunnel mismatches. The degree of mismatch was greater at the tibial end than at the femoral end.

Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0309146

DOI: 10.1371/journal.pone.0309146

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