Patellar luxation is a condition that affects the kneecap of a dog, usually when one or both of the bones that make up the knee joint become misaligned. This can cause the kneecap to move out of its normal position, which can cause pain, instability, and lameness in the affected limb. It is most commonly seen in small-breed dogs, especially those with short legs and a shallow hip socket. Statistics show that patellar luxation is the most commonly reported orthopaedic disorder in dogs, affecting an estimated 1 in 5 dogs.
Small breeds are more prone to this condition, with the Toy Poodle and Chihuahua being the most common breeds affected. In addition, females are more likely to be affected than males. Patellar luxation is a condition that can be managed with surgery, but it is important to identify and address any underlying causes. Treatment may include physical therapy and the use of joint supplements, as well as supportive care such as weight management and exercise. In some cases, surgery may be necessary to realign the kneecap and relieve pain. Patellar luxation can be a debilitating condition for dogs, but with proper care, most dogs can lead a happy life.
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O’Neill, Dan G et al. “The epidemiology of patellar luxation in dogs attending primary-care veterinary practices in England.” Canine genetics and epidemiology vol. 3 4. 8 Jun. 2016, doi:10.1186/s40575-016-0034-0
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