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Bone & Joint 360
Vol. 11, Issue 5 | Pages 46 - 47
1 Oct 2022
Das A


Bone & Joint 360
Vol. 11, Issue 3 | Pages 46 - 47
1 Jun 2022
Das A


Bone & Joint 360
Vol. 9, Issue 5 | Pages 49 - 50
1 Oct 2020
Das MA


Bone & Joint 360
Vol. 9, Issue 1 | Pages 10 - 14
1 Feb 2020
Ibrahim M Reito A Pidgaiska O


Bone & Joint Research
Vol. 5, Issue 4 | Pages 130 - 136
1 Apr 2016
Thornley P de SA D Evaniew N Farrokhyar F Bhandari M Ghert M

Objectives

Evidence -based medicine (EBM) is designed to inform clinical decision-making within all medical specialties, including orthopaedic surgery. We recently published a pilot survey of the Canadian Orthopaedic Association (COA) membership and demonstrated that the adoption of EBM principles is variable among Canadian orthopaedic surgeons. The objective of this study was to conduct a broader international survey of orthopaedic surgeons to identify characteristics of research studies perceived as being most influential in informing clinical decision-making.

Materials and Methods

A 29-question electronic survey was distributed to the readership of an established orthopaedic journal with international readership. The survey aimed to analyse the influence of both extrinsic (journal quality, investigator profiles, etc.) and intrinsic characteristics (study design, sample size, etc.) of research studies in relation to their influence on practice patterns.


Bone & Joint Research
Vol. 3, Issue 9 | Pages 280 - 288
1 Sep 2014
Shimomura K Kanamoto T Kita K Akamine Y Nakamura N Mae T Yoshikawa H Nakata K

Objective

Excessive mechanical stress on synovial joints causes osteoarthritis (OA) and results in the production of prostaglandin E2 (PGE2), a key molecule in arthritis, by synovial fibroblasts. However, the relationship between arthritis-related molecules and mechanical stress is still unclear. The purpose of this study was to examine the synovial fibroblast response to cyclic mechanical stress using an in vitro osteoarthritis model.

Method

Human synovial fibroblasts were cultured on collagen scaffolds to produce three-dimensional constructs. A cyclic compressive loading of 40 kPa at 0.5 Hz was applied to the constructs, with or without the administration of a cyclooxygenase-2 (COX-2) selective inhibitor or dexamethasone, and then the concentrations of PGE2, interleukin-1β (IL-1β), tumour necrosis factor-α (TNF-α), IL-6, IL-8 and COX-2 were measured.