Total ankle arthroplasty improves overall function, ankle-sp
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Total ankle arthroplasty (TAA) is becoming more common than ankle arthrodesis in patients seeking surgical treatment for end-stage ankle arthritis (AA).

The aim of this study was to see whether the improvements in overall physical and mental health, as well as ankle-specific function and pain intensity, lasted 48 months after TAA or AA.

This was a multisite prospective cohort study that included 517 participants (414 TAA and 103 AA) who presented for surgical treatment. Participants were compared 48 months after surgery using the Foot and Ankle Ability Measure (FAAM) Activities of Daily Living and Sports subscales (0 to 100 points), the Short Form-36 (SF-36) Physical and Mental Component Summary (PCS and MCS) scores (0 to 100 points), and pain scores (0 to 10 points).

--Both groups achieved significant improvement in the 2 FAAM measures, the SF-36 PCS score, and all of the pain measures at 48 months after surgey.

--Mean improvements from baseline in patients undergoing TAA for the FAAM Activities of Daily Living, FAAM Sports, and SF-36 scores were at least 9 points, 8 points, and 3.5 points, respectively, which were higher than in those undergoing AA.

--Mean improvements in worst and average pain were at least 0.9 point higher in patients undergoing TAA than in those undergoing AA at 12, 24, and 36 months. These differences were attenuated by 48 months. For both treatments, all improvements from baseline to 24 months had been maintained at 48 months.

Finally, patients who undergo TAA or AA for end-stage ankle arthritis have substantial improvement in overall function, ankle-specific function, and pain 48 months after surgery when both procedures are performed by the same group of surgeons, with the TAA group having greater functional improvement.