Total Ankle Arthroplasty: Does Obesity Matter?

Background: There is limited data evaluating the effect of obesity on outcomes following total ankle arthroplasty (TAA), especially in adequate sample sizes to detect impacts on patient-reported outcomes (PROs). The purpose of this study was to assess the effect of obesity on complication rates and...

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Bibliographic Details
Published in:Foot & ankle international 2023-07, Vol.44 (7), p.587-595
Main Authors: Kim, Billy I., Anastasio, Albert T., Wixted, Colleen M., DeOrio, James K., Nunley, James A., Easley, Mark E., Adams, Samuel B.
Format: Article
Language:English
Subjects:
Ankle - surgery
Ankle Joint - surgery
Arthroplasty, Replacement, Ankle - adverse effects
Female
Humans
Obesity - complications
Pain - etiology
Postoperative Complications - etiology
Quality of Life
Retrospective Studies
Treatment Outcome
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Summary:Background: There is limited data evaluating the effect of obesity on outcomes following total ankle arthroplasty (TAA), especially in adequate sample sizes to detect impacts on patient-reported outcomes (PROs). The purpose of this study was to assess the effect of obesity on complication rates and PROs. Methods: This was a single-institution, retrospective study of 1093 primary TAA performed between 2001 and 2020. Minimum follow-up was 2 years. Patients were stratified by body mass index (BMI) into control (BMI = 18.5-29.9; n = 615), obesity class I (BMI = 30.0-34.9; n = 285), and obesity class II (BMI > 35.0; n = 193) groups. Patient information, intraoperative variables, postoperative complications, and PRO measures were compared between groups using univariable statistics. Multivariable Cox regression was performed to assess risk for implant failure. Mean follow-up was 5.6 years (SD: 3.1). Results: Compared to control and class I, class II patients had the lowest mean age (P = .001), highest mean ASA score (P 
ISSN:1071-1007
1944-7876
DOI:10.1177/10711007231171084