Australian scientists say that hyperbaric oxygen therapy (HBOT) speeds up healing of diabetic wounds and thus prevents amputation. Every 30 seconds a person somewhere in the world loses a lower limb to amputation because of diabetic foot.
A team of international researchers from the Institute of Health and Biomedical innovation in the Queensland Institute of Technology has modelled the use of HBOT, the intermittent exposure of the body to pure oxygen under pressure.
AdvertisementQUT mathematician Jennifer Flegg said a small cut on the foot of a diabetic could have catastrophic effects because their wounds did not heal the same way as normal wounds because of many factors including reduced blood flow.
"The investigation showed that HBOT applied intermittently under pressure to a diabetic wound speeds up its healing," Mrs Flegg said.
"Our modelling showed firstly that only HBOT, and not oxygen applied with no extra pressure, stimulates healing of these chronic wounds.
"We also found that HBOT must be continued until the wound has completely healed in order for it to be effective.
"However, we found that individual wounds need to be treated differently.
"Each patient has different healing capacities with HBOT and so our modelling shows that there should be a research focus on individual treatment protocols in order to optimize the outcome for each patient."
An article on these findings by Mrs Flegg, Professor Ian Turner and Emeritus Professor Sean McElwain from QUT and Professor Helen Byrne from the Centre for Mathematical Medicine and Biology at the University of Nottingham will be published in the Public Library of Science (PLoS): Computational Biology, the top-ranked journal in the field of mathematical and computational biology.
It is a peer-reviewed, open-access journal focusing on research of exceptional significance that furthers our understanding of living systems through the application of computational methods.
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