Hip replacements: 32mm head 'can reduce dislocation risk'

The use of 32mm head and posterior capsule repair can be used in hip replacement operations as a way of reducing the risk of dislocation, a study suggests.

Research published in Italian journal Hip International has found that total hip arthroplasty can result in good function outcome and pain control in displaced intracapsular femoral neck fractures when optimal patient selection is used.

A total of 20 primary cementless total hip arthroplasties were examined, with 32mm heads and soft tissue repair in elderly patients.

"Satisfactory results were noted in terms of pain control, return to pre-morbid activity and radiological evidence of bone implant osseointegration," the authors assert.

They state that the posterior approach's increased risk of dislocation can be managed by the use of a 32mm head.

Recent research published in the journal has suggested that the use of trochanteric flip osteotomy can result in safer hip replacements as it creates fewer complications.

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