Hormone replacement therapy can help reduce the probability that women who get artificial hip or knee joints will need to have them replaced, a new study shows.
Total hip and knee replacements are among the fastest growing surgeries. While the vast majority or these operations are successful, a small number of people need their new joints replaced after only a few years.
A chief reason for this is osteolysis, a condition that causes the bone surrounding the new implant to dissolve.
Researchers in the UK used a database to identify 24,733 women underwent primary total knee or hip replacements between the years 1986 to 2006 and identified 2,700 HRT users and 8,100 non-users as controlled.
The researchers found that the use of HRT was associated with a 40 percent reduction in the risk that the surgery would need to be redone.
The study was reported in the Annals of Rheumatic Diseases.
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