Hip Preservation Issue1 - Flipbook - Page 15
Spotlight on some recent research
This study was published in the Arthroscopy, The Journal of Arthroscopic and Related Surgery –
a peer-reviewed international journal.
In this study, 53 hips with advanced osteoarthritis were matched with 53 non-OA hips, both
groups undergoing arthroscopic correction of FAI bony deformities. As expected, avoidance of
conversion to total hip arthroplasty (THA) was significantly different between the two groups:
57% survivorship in OA group vs 87% survivorship in non-OA group at 10 years. Compared to
where no OA was present, those with moderate OA changes (Tonnis 2) were 3.5 times more
linkely to undergo conversion to THA, while those with severe OA (Tonnis 3) were 11.0 times
more likely to convert to THA. Importantly, 1 in 2 of those with moderate to severe OA avoided a
THA for a minimum duration of 10 years, and in those cases where THA was avoided their
subjective ratings of pain, functional abilities and competencies with activities of daily living
were comparable to those with no pre-existing OA at the time of arthroscopy.
