Periacetabular Osteotomy

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Periacetabular osteotomy (PAO) is a surgical treatment for hip dysplasia resulting from a deformity in the curved portion of the pelvis that forms the socket of the hip joint.

 

PAO and Hip Dysplasia

 

Hip dysplasia can result in the wearing down of cartilage that covers the hip joint surfaces. These changes can be the beginning of osteoarthritis, in which the labrum and cartilage wear away, and bone rubs against bone, leading to pain and restricted mobility.

 

Patients with mild forms of hip dysplasia start with non-surgical treatment with steroid injections and physical therapy. For patients with long histories of symptoms or more severe forms of dysplasia, surgery is usually recommended, as long as the extent of hip joint arthritis is not too severe. PAO is recommended for patients with mild forms of dysplasia when other surgeries have failed, such as a hip arthroscopy, which may repair the labrum but does not correct the underlying dysplasia. The decision to proceed to PAO surgery is made by taking into account the patient’s age and lifestyle.

 

Video Illustration of PAO