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European Journal of Orthopaedic Surgery & Traumatology
Published in: European Journal of Orthopaedic Surgery & Traumatology 5/2019

01-07-2019 | Obesity | Original Article • KNEE - ARTHROPLASTY

Early complications of revision total knee arthroplasty in morbidly obese patients

Authors: Josh Carter, Bryan Springer, Brian M. Curtin

Published in: European Journal of Orthopaedic Surgery & Traumatology | Issue 5/2019

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Abstract

Introduction

Morbid obesity is a known risk factor for complications and failure following primary total knee arthroplasty. Complications following revision total knee arthroplasty (rTKA) in the morbidly obese (BMI > 40) have not been well described. A retrospective cohort study was designed to investigate the early complications of rTKA in morbidly obese patients.

Methods

Revision TKA procedures were performed between January 2009 and December 2012 at a single institution. Comparisons were made between patients with a normal BMI (18.5–25) and patients with morbid obesity (BMI > 40).

Results

Thirty-three of 141 morbidly obese patients (23.4%) had a complication compared to 10 of 96 patients with a BMI 18.5–25 (10.4%) (p = 0.011). Morbidly obese patients were younger (69.3 vs. 61.4 years, p < 0.0001), and their most frequent complication in comparison with patients with normal BMI was wound healing problems (p = 0.01).

Conclusion

Morbidly obese patients are at a significantly increased rate of early complications following rTKA compared to a normal weight cohort, especially with regard to wound complications. The morbidly obese group was significantly younger at the time of rTKA. In addition, this study highlights the importance of risk stratification for morbidly obese patients undergoing rTKA.
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Metadata
Title
Early complications of revision total knee arthroplasty in morbidly obese patients
Authors
Josh Carter
Bryan Springer
Brian M. Curtin
Publication date
01-07-2019
Publisher
Springer Paris
Published in
European Journal of Orthopaedic Surgery & Traumatology / Issue 5/2019
Print ISSN: 1633-8065
Electronic ISSN: 1432-1068
DOI
https://doi.org/10.1007/s00590-019-02403-9

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