Effect of PEEK polymer on tunnel widening after hamstring ACL reconstruction

Orthopedics
Onat UzumcugilMustafa Caniklioglu

Abstract

The purpose of this study was to evaluate the effect of the AperFix device (Cayenne Medical, Inc, Scottsdale, Arizona), composed of polyetheretherketone (PEEK) polymer, on tunnel widening after hamstring anterior cruciate ligament (ACL) reconstruction as compared with 2 other fixation devices: the TransFix (Arthrex, Inc, Naples, Florida) and the EndoButton (Smith & Nephew Endoscopy, Mansfield, Massachusetts). Sixty-seven patients with isolated total ACL ruptures who underwent arthroscopically assisted reconstruction using hamstring autografts at the authors' institution were included in the study. Patients were assigned into 1 of 3 groups in a nonrandomized fashion: AperFix (n=18), TransFix (n=29), and EndoButton (n=20). Mean follow-up was 30 months. Tunnel widening measurements were performed on anteroposterior and lateral digital plain radiographs taken in postoperative week 1 and at final follow-up. Laxity testing, Lysholm scoring, and arthrometric evaluation were performed.All 3 graft fixation devices resulted in significant tunnel widening in both tibial and femoral tunnels at final follow-up when compared with the immediate postoperative period. Tunnel widening between groups was not significantly different in terms of co...Continue Reading

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Feb 6, 2013·Orthopedics·John W UribeGary M Kiebzak
Mar 2, 2016·Journal of Shoulder and Elbow Surgery·Pieter CaekebekeJoris Duerinckx
Oct 31, 2019·Journal of Biomedical Materials Research. Part a·Yu LiuJörg Eschweiler
Nov 23, 2018·Acta ortopedica brasileira·Vitor Barion Castro de PaduaRafael Cassiolato Garcia Godoy

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