Скачать или смотреть What is patellar luxation?

Patella is the Latin name for kneecap, and luxation is another name for dislocation. Patellar luxation means the kneecap dislocates completely and subluxation means it doesn’t track perfectly. Patellar luxation is a complex condition which involves at least 15 chromosomal regions.

Patellar luxation is becoming more common due to the growing popularity of breeds with a high-risk conformation. The commonest form, medial patellar luxation (MPL), typically affects dogs with short, bowed hindlimbs. Bulldogs are a notable example; however, not all affected dogs have obvious conformational problems. For instance, Pomeranians typically have less hindlimb bowing compared with bulldogs, but they have the highest reported risk, with up to 75% having patellar instability. The consequence of selective breeding for bowed hindlimbs is that the patellae usually dislocate towards the inside of affected knees. This is called medial patellar luxation (MPL).

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