Effects of surgical adductor releases for hip subluxation in cerebral palsy: an AACPDM evidence report

In summary, this body of published evidence must be regarded as preliminary at best. Overall, there are substantial gaps in the body of evidence that need to be addressed by future research. Given the low frequency and variable severity of CP, multicenter studies are needed to recruit adequately matched samples. Not all subluxated hips progress to dislocation in children who have CP, so control groups must also be included, where ethically possible, to allow discrimination between the natural history of the condition and the effects of the intervention. Further studies to assess the reliability and validity of the available radiographic outcome measures are also required with correlation to criterion standard assessments of femoral head coverage, such as magnetic resonance imaging and three-dimensional computerized-tomography imaging studies.