What is the prognosis of developmental dysplasia of the hip (DDH)?

Updated: Feb 26, 2018
  • Author: Junichi Tamai, MD; Chief Editor: William L Jaffe, MD  more...
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Answer

Overall, the prognosis for children treated for hip dysplasia is very good, especially if the dysplasia is managed with closed treatment. If closed treatment is unsuccessful and open reduction is needed, the outcome may be less favorable [23] , although the short-term outcome appears to be satisfactory. If secondary procedures are needed to obtain reduction, then the overall outcome is significantly worse.

Some authors believe that patients with bilateral hip dysplasia have a poorer prognosis because of frequent delays in diagnosis and greater treatment requirements. [24, 25] In a study comparing the outcomes of walking-age children with bilateral hip dislocations who underwent open reduction and pelvic osteotomy with or without femoral osteotomy with those of walking-age children with unilateral dislocated hips who underwent the same set of procedures, the radiographic outcomes were similar. [26]

In this study, the rate of osteonecrosis was higher in the bilateral group, but this difference was explained by older age at surgery and a greater degree of hip dislocation before surgery. [26] The authors concluded that the clinical outcomes after surgery of the children with bilateral hip dislocations were worse mainly because of asymmetric outcomes.


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