New test to predict whether surgery on a new knee will last

New test to predict whether surgery on a new knee will last

A new test can predict whether surgery will end the pain of arthritic joints.Every year more than 220,000 people in the UK have a hip or knee replacement, where a worn-out joint is replaced with a synthetic version.Osteoarthritis — wear and tear of the joints — is the reason for virtually all such cases. The timing of a hip or knee replacement is key. If the surgery is done too soon, patients are unlikely to be happy with the replacement because an artificial knee will never be as good as your own.  Researchers from the University of Sheffield and the University of Bristol based the Patient Decision Support Tool for Joint Replacement on information from more than one million patients Every year more than 220,000 people in the UK have a hip or knee replacement. Stock picture The new test can also estimate how long it will take to recover, the chance of needing repeat surgery within ten years and the likelihood of death in the year after surgerySecrets of an A-list body Actress Kate Bosworth, 36, loves running, Pilates and horse riding. ‘I used to have a hard time with exercise because I felt like it had to be an hour,’ she says. ‘Then I realised you can get on the treadmill for 20 minutes, and you’ve done something.’What to try: For Kate’s toned arms, do weighted push-ups. Hold a dumbbell in each hand and assume the plank position.  Actress Kate Bosworth, 36, loves running, Pilates and horse ridingLower your chest by bending the elbows then push back up. At the top of the move, bend your right elbow and pull it up past your body so the weight reaches chest height. Return the right hand to the floor, perform a push-up then repeat with the left arm. Repeat until you can do no more.   Go for a downhill stroll after lunch to stave off osteoporosis. Post-menopausal women are at higher risk due to a reduction in oestrogen.Scientists at the University of Michigan who carried out a study said the weight-bearing involved in walking downhill strengthens bones.   How the warm weather affects your health. This week: You’re less likely to be diagnosed with dementiaWhile day-to-day thinking slows down the hotter it gets, the opposite has been shown in those with dementia.A 2018 study from scientists in the U.S. and Canada found that in those with dementia, brain performance is equivalent to that in someone up to four years younger during summer and autumn compared with winter.  While day-to-day thinking slows down the hotter it gets, the opposite has been shown in those with dementia. Stock pictureFor this reason, new diagnoses of dementia were 30 per cent less likely in summer.Professor Philip De Jager, from Columbia University, explains: ‘The expression pattern of certain groups of brain genes are altered in a seasonal manner, and these might be involved in changes in cognitive function.’The researchers suggest this variation should affect how we test for dementia. But leave it too long, and patients can be left in needless pain and experience musc

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