Biomechanical Comparison Between Bashti Bone Plug Technique and Biodegradable Screw for Fixation of Grafts in Ligament Surgery

Overview

Journal Arch Bone Jt Surg

Date 2015 Feb 19

PMID 25692166

Citations 5

Authors

Kaveh Bashti

Mohammad N Tahmasebi

Hasan Kaseb

Farzam Farahmand

Mohammad Akbar

Amir Mobini

Affiliations

Soon will be listed here.

Abstract

Background: Ligament reconstruction is a common procedure in orthopedic surgery. Although several popular techniques are currently in use, new methods are proposed for secure fixation of the tendon graft into the bone tunnel.

Purposes: We sought to introduce our new technique of Bashti bone plug for fixation of soft tissue graft in anterior cruciate ligament (ACL) reconstruction and to compare its biomechanical features with conventional absorbable interference screw technique in a bovine model.

Methods: Twenty pairs of bovine knees were harvested after death. Soft tissue was removed and the Achilles tendon was harvested to be used as an ACL graft. It was secured into the bone tunnel on the tibial side via two different methods: Bashti Bone Plug technique and conventional screw method. Biomechanical strength was measured using 200 N and 300 N cyclic loading on the graft. Pull out strength was also tested until the graft fails.

Results: No graft failure was observed after 200 N and 300 N cyclic loading in either fixation methods. When testing for pull out failure, 21 tendons (53%) were torn and 19 tendons (48%) slipped out. No fixation failure occurred, which did not reveal a significant difference between the bone plug or interference screw group (P=0.11). The mean pull out force until failure of the graft was 496±66 N in the screw group and 503±67 N in the bone plug group (P=0.76).

Conclusions: Our suggested fixation technique of Bashti bone plug is a native, cheap, and feasible method that provides comparable biomechanical strength with interference screw when soft tissue fixation was attempted in bovine model.

Citing Articles

Effect of the core bone engaged length on the BASHTI fixation strength, an in-vitro study on bovine tendons using identical-density surrogate bones.

Moeinnia H, Nourani A, Mohseni M, Borjali A, Ghias N, Korani H BMC Musculoskelet Disord. 2023; 24(1):226.

PMID: 36964514 PMC: 10039572. DOI: 10.1186/s12891-023-06311-2.

Sheathed fixation improves BASHTI technique in an anterior cruciate ligament reconstruction.

Borjali A, Farrahi G, Chizari M Proc Inst Mech Eng H. 2023; 237(3):375-384.

PMID: 36772977 PMC: 10052412. DOI: 10.1177/09544119231153198.

Bone density may affect primary stability of anterior cruciate ligament reconstruction when organic core bone plug fixation technique used.

Dehestani P, Farahmand F, Borjali A, Bashti K, Chizari M J Exp Orthop. 2022; 9(1):5.

PMID: 34989893 PMC: 8739403. DOI: 10.1186/s40634-021-00441-z.

Comparison of mechanical properties in interference screw fixation technique and organic anterior cruciate ligament reconstruction method: a biomechanical study.

Borjali A, Nourani A, Moeinnia H, Mohseni M, Korani H, Ghias N BMC Musculoskelet Disord. 2021; 22(1):1047.

PMID: 34930185 PMC: 8691038. DOI: 10.1186/s12891-021-04788-3.

Novel biodegradable magnesium alloy clips compared with titanium clips for hepatectomy in a rat model.

Urade T, Yoshida T, Ikeo N, Naka K, Kido M, Toyama H BMC Surg. 2019; 19(1):130.

PMID: 31500601 PMC: 6734318. DOI: 10.1186/s12893-019-0600-y.

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