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TARO 16 (2009) - pediátrica


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A coxa vara congênita geralmente evolui com:

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A) dor.
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B) claudicação.
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C) limitação da flexão do quadril.
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D) telescopagem positiva.
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TARO 16 (2009) - pediátrica
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PostPosted: 25/8/2011, 19:02 Rate Post

Explicação: Most patients affected with developmental coxa vara present sometime between the initiation of ambulation and 6 years of age ( 9,19). Their most frequent complaint is a progressive gait abnormality; pain is rarely reported. In patients with unilateral involvement, the gait abnormality is caused by combined abductor muscle weakness and limb-length inequality. As the neck–shaft angle of the proximal femur decreases in developmental coxa vara, the articulotrochanteric distance between the femoral head and greater trochanter also decreases, which affects normal hip joint mechanics. As the articulotrochanteric distance decreases, the normal length–tension relation of the abductor muscles is lessened, and the ability of the abductor muscles to control the pelvis in one-legged stance is weakened. The functionally weaker abductor muscles produce the gait abnormality seen in patients with developmental coxa vara. Patients with bilateral involvement present with awaddling gait pattern associated with increased lumbar lordosis, similar to that seen in bilateral developmental hip.Fonte: Lovell And Winter Pediatric Orthopaedics. 3rd Edition.

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