Article Abstract

Editorial review: Equalisation of leg lengths in total hip arthroplasty for patients with Crowe type-IV developmental dysplasia of the hip

Authors: James R. Berstock, Peter A. Torrie, Michael R. Whitehouse

Abstract

Reconstruction of the dysplastic hip presents many well documented challenges. On the pelvic side a pseudoacetabulum may obscure normal landmarks. Once the true acetabulum is identi ed, the acetabular component may be placed in soft, previously unloaded bone which is often retroverted and simultaneously superiorly deficient, leading to compromised component-host bone contact and concerns regarding primary stability. Excessive medialisation or structural augmentation may therefore be required to achieve adequate coverage and stability. Reduced acetabular volume often necessitates the use of a small acetabular component necessitating the use of small bearing sizes.

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