17 - Developmental Dysplasia of The Hip - D3

17 - Developmental Dysplasia of The Hip - D3 -...

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Developmental dysplasia of the hip (DDH ( MOHAMMED RJOUB
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Developmental  dysplasia of the hip Definition It is a  congenital  or acquired deformation or  misalignment of the hip joint ; at birth, the hips are  usually not dislocated but rather “dislocatable”. Classification 1. Typical. 2. Teratologic.
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Developmental Dysplasia of the Hip Types: 1. Complete hip dislocation. 2. Partial hip subluxation. 3. Hip dysplasia (incomplete development).     Incidence: - 7 per 1000 in Jordan -Female predominance  9 times more likely. -Depends on race and geographical variations.
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Etiology Generalized relaxation of the hip joint. -Family history. -Generalized ligamentous Laxity; due to maternal  estrogen and other hormones “which  prevents the  maturation of collagen”. -Primigravida. -Breech presentation. -Oligohydramnios. -Adduction and Extension postnatally.
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Clinical Manifestations Girls are affected 5 times more than boys. The left hip is affected in 45%, right one 20% and 
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17 - Developmental Dysplasia of The Hip - D3 -...

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