Information for Medical Professionals

Pseudotumour growth leads to high revision rate

New research conducted in Belgium has shown that pseudotumour growth is one of the leading factors influencing the need for early revision in patients who have undergone metal-on-metal total hip replacement surgery.

According to the scientists behind the new study, the revision rate after 48 months stood at 8.3 per cent and the main cause was pseudotumour formation.

Patrick Deprez was reported by Ortho Supersite as saying that this figure may represent an underestimation when broader demographics are considered.

"We are not sure, but we think all these pseudotumor formations were because of metal hypersensitivity," he claimed.

The retrospective study looked at 120 large diameter metal-on-metal total hip replacement surgeries and found that 6.6 per cent of patients developed pseudotumours during the course of the research programme.

Meanwhile, research published in the Journal of Bone and Joint Surgery recently linked pseudotumour growth with increased wear following hip resurfacing.

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