Early Patient Satisfaction Results on a Modern Generation Fixed-Bearing Total Ankle Arthroplasty.

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Early Patient Satisfaction Results on a Modern Generation Fixed-Bearing Total Ankle Arthroplasty.

Foot Ankle Int. 2016 Sep;37(9):938-43

Authors: Oliver SM, Coetzee JC, Nilsson LJ, Samuelson KM, Stone RM, Fritz JE, Giveans MR

Abstract
BACKGROUND: This study presents patient-reported outcomes and patient satisfaction data for the largest series of US patients undergoing modern fixed-bearing total ankle arthroplasty (TAA).
METHODS: We retrospectively reviewed the records of 300 consecutive patients who underwent 321 modern, fixed-bearing TAAs at a single institution. Veterans Rand 12-Item Health Survey (VR-12), Ankle Osteoarthritis Scale (AOS), and the American Orthopaedic Foot & Ankle Society (AOFAS) Hindfoot score were collected preoperatively and at subsequent follow-up appointments. A patient satisfaction survey was also distributed to each patient postoperatively. Of the 321 TAAs, 245 (232 patients) had a minimum of 2-year follow-up and a complete data set. Furthermore, 192 patients underwent concomitant procedures. The average follow-up was 38.9 months (24-84.5). Eight patients have been lost to follow-up (7 deceased and 1 refused further follow-up).
RESULTS: The mean AOFAS score preoperatively was 41.1 and at latest follow-up was 84.6 (P < .01). The mean VR-12 score was 29.7 (Physical) and 54.1 (Mental) preoperatively and 42.7 (Physical) and 55.7 (Mental) at latest follow-up (P < .01 and P > .05, respectively). AOS pain and disability scores improved significantly after TAA (P < .01). The patient satisfaction survey indicated that 84% experienced very good to excellent pain relief, 78% reported improved ability to perform daily tasks, and 54% indicated improvement in their ability to perform heavy work or recreational activities. In addition, 94% would probably or definitely have the procedure on the contralateral ankle. Two patients underwent revision TAA at a minimum of 36 months; 8 patients failed the primary TAA and were converted to ankle fusions at a mean of 20.1 months (6.1-46.1).
CONCLUSION: Early results of a large series of a modern TAA system demonstrate improvement in patient satisfaction, quality of life, activity, and pain for patients with end-stage ankle arthritis. Early revision was due to infection or loosening of the tibial component.
LEVEL OF EVIDENCE: Level IV, case series.

PMID: 27162222 [PubMed - indexed for MEDLINE]

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