More than half of Australians who underwent knee substitute for osteoarthritis had been overweight, rising their danger of getting the operation at a youthful age, particularly amongst ladies.
A examine by The University of Queensland Rural Clinical School (UQRCS) in contrast information from the Australian Bureau of Statistics’ (ABS) 2017-18 National Health Survey with the Australian Orthopaedic Association National Joint Replacement Registry.
Researchers discovered that of the 56, 217 sufferers who underwent a knee substitute for osteoarthritis (OA), 57.7% had been overweight.
UQRCS Head of Research, Associate Professor Srinivas Kondalsamy-Chennakesavan stated the chance of knee substitute for OA was relative to an individual’s physique mass index (BMI).
Obese ladies aged 55–64 years had been as much as 17.3 occasions extra prone to endure a knee substitute than their wholesome weight counterparts, whereas overweight males in the identical age group had been as much as 5.8 occasions extra doubtless.
Obese sufferers with the best BMI ratio had been additionally seven years youthful on common once they had a knee substitute, in comparison with regular weight people.”
Srinivas Kondalsamy-Chennakesavan, Associate Professor, UQRCS Head of Research
Around 2.2 million Australians have OA and practically a-third of adults are overweight, in keeping with the ABS.
Lead investigator and Senior Lecturer at UQRCS, Dr Chris Wall stated weight reduction was an essential step to bettering outcomes for people and Australia’s well being system.
“Modest weight loss has been found to effectively reduce knee OA symptoms, and obese patients who maintained a 10% body weight loss experienced significant improvement in pain and function,” Dr Wall stated.
“By 2030, it is anticipated greater than 161 thousand knee replacements will likely be carried out yearly.
“Urgent action is needed at a national level to change our approach towards reducing obesity or Australia may face a growing burden of revision knee replacement in the future.”
This examine was carried out in collaboration with Professor Richard de Steiger, Professor Christopher Vertullo, Dr James Stoney, Professor Stephen Graves, and Ms Michelle Lorimer.
Wall, C.J., et al. (2022) Obesity is related to an elevated danger of present process knee substitute in Australia. ANZ Journal of Surgery. doi.org/10.1111/ans.17689.
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