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Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_14 | Pages 11 - 11
1 Dec 2015
Barr L Loizou C Smith G Loveday D
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Introduction

The aim of this study was to identify the effects of first MTPJ arthritis, ankle arthritis and hallux valgus on patient reported outcomes, and to assess the efficacy of surgery.

Methods

Patients who underwent first MTPJ fusion, ankle fusion or hallux valgus correction from July 2013 to October 2014 were included in the study. Exclusion criteria included revision or simultaneous bilateral surgery, inflammatory arthropathy, or arthritis of a proximal joint awaiting arthroplasty. Subjects completed the Manchester-Oxford Foot Questionnaire (MOX-FQ), EQ-5D index, and EQ-5D health scale on presentation and at least six months post-operatively. Between group statistical analysis was carried out using one-way ANOVA, pre- and post-operative scores were compared using a paired t-test.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVI | Pages 14 - 14
1 Aug 2012
Barr L Henson F Getgood A Rushton N
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Background

Mechanical trauma to articular cartilage is a known risk factor for Osteoarthritis (OA). The application of single impact load (SIL) to equine articular cartilage is described as a model of early OA changes and shown to induce a damage/repair response. Recombinant Human Fibroblast Growth Factor-18 (rhFGF-18) has been previously shown to have anabolic effects on chondrocytes in vitro. The aim of this in vitro study was to ascertain the effect of rhFGF-18 on the repair response of mechanically damaged articular cartilage.

Methods

Articular cartilage discs were harvested from healthy mature horses (n=4) and subjected to single impact load using a drop tower device. The impacted explants, together with unimpacted controls were cultured in modified DMEM +/− 200ng/ml rhFGF-18 for up to 30 days. Glycosaminoglycan (GAG) release into the media was measured using the dimethylmethylene blue (DMMB) assay, aggrecan neopepitope CS846 and Collagen Propeptide II (CPII) were measured by ELISA. Histological analysis, immunohistochemistry and TUNEL staining were used to assess proteoglycan content, type II and type VI collagen localisation, cell morphology, repair cell number and cell death.