Hip (central dislocation)
In this condition the femoral head does not come out of its socket and therefore it is not a true dislocation. In this injury the femoral head is forced through the medial wall of the acetabulum and into the pelvis.
On x-ray the acetabular floor is shattered and comminuted. The injury may have occurred with sufficient force to split the acetabulum and this may result in a large segment of bone being displaced medially.
An attempt is made at reducing the dislocation. Strong traction is applied, and this, if successful, is maintained for 4-6 weeks.
Secondary arthritis may occur in this condition. If this occurs in a very young person then arthrodesis may be necessary. The development of secondary arthritis in an older person may necessitate arthroplasty.
Reference
- Dawson-Amoah K, Raszewski J, Duplantier N, Waddell BS. Dislocation of the Hip: A Review of Types, Causes, and Treatment. Ochsner J. 2018 Fall;18(3):242-252
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