Background: Patients and health care professionals alike are often surprised by the course of pain after total ankle arthroplasty (TAA). The current study aimed to determine the baseline patterns of postoperative symptoms during the first year following uncomplicated TAA. Materials and Methods: In a prospective observational study 28 patients with unilateral posttraumatic osteoarthritis were tested for pain with a visual analogue scale, swelling (min grade, 0; max grade, 4), ankle range of motion, and AOFAS ankle score. Assessments were performed preoperatively and 6 weeks, 3, 6, 9, and 12 months after TAA. Results: At 6 weeks all variables had improved significantly. However, at 3 months a relapse with deterioration of mean variables was found. These improved asymptotically during assessments at 6, 9, and 12 months. Conclusion: Our data suggest patients undergoing uncomplicated TAA have to overpass what we believe is an adaptive inflammatory phase with increased periarticular pain and swelling about 3 months after surgery. This distinctive course may influence patient education and increase confidence of healthcare professionals involved in the rehabilitation of TAA patients.
Level of Evidence: II, Prospective Observational Study
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