The 10-year patient-reported and clinical outcomes of a series of 156 mobile-bearing total ankle replacements and the effects of patient age
A. Porter, A. Pujol Nicolas, S. Hakeem, N. Abdul, D. Elamin, M. Douglas-Harris, J. Ramaskandhan, M. Siddique
1Freeman Hospital, MSK, Newcastle upon Tyne, United Kingdom
Background: Total Ankle Replacement (TAR) is an established treatment option for end-stage ankle arthritis. We analysed at minimum,10-year patient-reported and clinical outcomes of 156 TARs from a single centre. We specifically compared outcomes between patients under 60 and over 60 at time of surgery.
Methods: Data was collected retrospectively from our departmental patient database. It included all patients who underwent a TAR by a single surgeon between 2006 and 2010 and patients were divided into those under 60 and those over 60 at the time of surgery. Patient reported outcomes (PROMs), including WOMAC, SF-36 and patient satisfaction scores and complications were analysed preoperatively and at one, two, five and over 10 years postoperatively.
Results: There were 156 patients included in this analysis, 61 were under 60 (mean age 50.29) and 95 were over 60 (mean age 69.12). A total of 12 patients had revision surgery, (nine in the under 60 group) and 52 patients were deceased at the time of analysis (10 in the under 60 group). At one year the over 60 group had less pain and better functional scores (p=0.02, p=0.017). At two, five and ten years there was no statistical difference in pain and function between groups. At two years the over 60s reported less stiffness and quicker return to activities of daily living (p=0.007, p=0.001). However, at five and 10 years there was no statistical difference in any domain.
Conclusions: This study demonstrates that age does not correlate with a significant difference in pain or functional outcomes in patients who have TAR, at over 10 years follow up. The higher revision rates in the younger group may correlate with higher functional demand and lower mortality rate.
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