In cases of congenital dislocation of the hip diagnosis is possible soon after the child begins to walk, because the limp in unilateral cases or the waddle and lordosis in bilateral cases call attention to the condition.
Tn a certain number of cases, which are, nevertheless, congenital, dislocation does not occur until a later time. The period depends on the amount of deformity present. This fact was well illustrated in the case of a child under my observation. When 2 years old she had a waddling gait and slightly increased lordosis, but not one symptom of dislocation could be discovered. Three months later the waddle and lordosis had increased and all the typical signs of a double dislocation were present. Complete luxation occurred between the examinations.
There is considerable difference of opinion as to the time that treatment should be begun in these early cases. Some orthopedists, notably Lorenz, prefer
LE BRETON P. CONGENITAL DISLOCATION OF THE HIP.REDUCTION AT AN EARLY AGE. JAMA. 1906;XLVII(14):1094–1095. doi:10.1001/jama.1906.25210140030003
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