Dislocation of Hip - Congenital Hip Dislocation

Congenital Hip Dislocation

Congenital hip dislocation also known as dysplasia of the hip is a condition in which a child is born with a hip problem. Congenital hip dislocation is when the formation of the hip joint is abnormal. The ball at the top of the thighbone which is known as the femoral head is not stable within the socket which is also known as the acetabulum. This abnormality may cause the ligaments of the hip to be loose or stretched. This condition is usually diagnosed once the baby is born; it mostly affects the left side of the hip in first-born children, girls, and babies born in a breech position. Girls are most prone to getting the hip dislocation compared to boys. The cause of this condition is still unknown; however, some factors of congenital hip dislocation are through heredity and racial background. It is also a known fact that it is more likely to occur in Native Americans than any of the other races. It also has a low prevalence risk in African Americans and southern Chinese. Native Americans are most likely to get congenital hip dislocation than any of the other races. The risk for Native Americans is about 25-50 cases for every 1000 people. The overall frequency of developmental dysplasia of the hip is approximately 1 case per 1000 individuals; however, Barlow believed that the incidence of hip instability in newborns can be as high as 1 case for every 60 newborns.


The early sign of congenital hip dislocation is when a person is able to hear "clicking" sounds when the legs are moved apart from one another. This condition can be treated if detected early. If this condition goes undetected it can cause one leg to "look" shorter than its counterpart and the buttocks folds are also not symmetrical which causes more creases to be present on the affected side, and skin folds at the thigh are uneven. Another sign is that when a child begins to walk he or she may have a limp and favor the affected side when walking. When a child is walking they may be also walking on their toes or they may even "waddle" like a duck. If the condition goes undetected this may cause negative long term effects such as osteoarthritis as well affect the gait of the child when they first learn to walk. This condition may also cause the baby to start to learn how to walk much later than expected.

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