Prospective Comparison of Ankle Replacement and Ankle Arthrodesis 4 Years After Surgery

Category: Ankle; Ankle Arthritis Introduction/Purpose: The objective of this study was to compare physical and mental function, ankle-specific function, pain intensity, and rates of revision surgery and minor complications between ankle replacement and ankle arthrodesis in a prospective cohort study...

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Bibliographic Details
Published in:Foot & ankle orthopaedics 2020-10, Vol.5 (4)
Main Authors: Satngeorzan, Bruce J., Norvell, Daniel, Ledoux, William R., Coetzee, J. Chris, Davitt, James S., Shofer, Jane, Anderson, John G., Bohay, Donald R., Houghton, Michael J., Maskill, John D., Brage, Michael E.
Format: Article
Language:English
Subjects:
Ankle
Pain
Surgery
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Summary:Category: Ankle; Ankle Arthritis Introduction/Purpose: The objective of this study was to compare physical and mental function, ankle-specific function, pain intensity, and rates of revision surgery and minor complications between ankle replacement and ankle arthrodesis in a prospective cohort study with minimum 4 year follow up after surgery. Methods: This prospective cohort study enrolled subjects from May 2012 to May 2015 included 517 subjects from 6 centers. Inclusion criteria ensured patients were suitable for both treatments while exclusion criteria were those with disabilities or diseases other than OA that effected ambulatory function including metabolic, neurologic, or musculoskeletal diseases such as hip or knee OA Outcomes were measured pre-treatment and 4-7 years after surgery. Linear mixed effects regression was used to determine if there were differences in postoperative improvement in each continuous outcome by surgical procedure. The primary outcomes included the Foot and Ankle Ability Measure (FAAM), and the FAAM sport, the Short Form-36 (SF-36) Physical and Mental Component Summary (PCS and MCS) scores, the Chronic Pain Grade (CPG) including average pain, worst pain and pain interference. Data were collected by study coordinators who were not involved in the surgery. Results: Of the 517 patients (414 receiving TAA, 103 receiving AA) with baseline assessment, 400 (325 TAA and 75 AA) were followed to 4 years. Pre-treatment, the two groups were not significantly different by sex, race, marital status, education, severity of OA. Data were adjusted, BMI, age. Patients demonstrated mean improvement in the FAAM and CPG outcomes at 1 year and maintained improvement out to 4 years (p
ISSN:2473-0114
2473-0114
DOI:10.1177/2473011420S00081