Growth and development of congenitally dislocated hips reduced in early infancy.

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We determined the acetabular angles, center-edge angles, comprehensive quotients, and Shenton's lines from sequential roentgenograms of thirty-seven children with congenitally dislocated hips treated by closed non-manipulative reduction in early infancy. The values were compared with those obtained from roentgenograms of 164 normal children who ranged in age from three months to five years and of forty-three adolescents and adults. The hip recovering from congenital dislocation developed similarly to the normal hip but differed in that it showed a greater rate of decrease of the acetabular angle and an increase in the center-edge angle. Significant development after the age of five years still was manifested in the reduced hips.

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