Picture of athlete cycling

Open Access research with a real impact on health...

The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by Strathclyde researchers, including by researchers from the Physical Activity for Health Group based within the School of Psychological Sciences & Health. Research here seeks to better understand how and why physical activity improves health, gain a better understanding of the amount, intensity, and type of physical activity needed for health benefits, and evaluate the effect of interventions to promote physical activity.

Explore open research content by Physical Activity for Health...

The mechanical effects of extracorporeal irradiation on bone

Gupta, S. and Cafferky, D. and Cowie, F. and Riches, P. and Mahendra, A. (2015) The mechanical effects of extracorporeal irradiation on bone. The Bone & Joint Journal, 97B (8). pp. 1152-1156. ISSN 2049-4394

[img]
Preview
Text (Gupta-etal-TBJJ-2015-The-mechanical-effects-of-extracorporeal-irradiation)
Gupta_etal_TBJJ_2015_The_mechanical_effects_of_extracorporeal_irradiation.pdf - Accepted Author Manuscript

Download (915kB) | Preview

Abstract

Extracorporeal irradiation of an excised tumour-bearing segment of bone followed by its reimplantation is a technique used in bone sarcoma surgery for limb salvage when the bone is of reasonable quality. There is no agreement among previous studies about the dose of irradiation to be given: up to 300 Gy have been used. We investigated the influence of extracorporeal irradiation on the elastic and viscoelastic properties of bone. Bone was harvested from mature cattle and subdivided into 13 groups: 12 were exposed to increasing levels of irradiation: one was not and was used as a control. The specimens, once irradiated, underwent mechanical testing in saline at 37°C. The mechanical properties of each group, including Young's modulus, storage modulus and loss modulus, were determined experimentally and compared with the control group. There were insignificant changes in all of these mechanical properties with an increasing level of irradiation. We conclude that the overall mechanical effect of high levels of extracorporeal irradiation (300 Gy) on bone is negligible. Consequently the dose can be maximised to reduce the risk of local tumour recurrence.