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Body composition changes in the immediate peri-operative period following total joint arthroplasty
Journal article   Open access   Peer reviewed

Body composition changes in the immediate peri-operative period following total joint arthroplasty

Michael C. Marinier, Ayobami S. Ogunsola and Jacob M. Elkins
Journal of electrical bioimpedance, Vol.13(1), pp.39-44
09/09/2022
DOI: 10.2478/joeb-2022-0007
PMCID: PMC9487908
PMID: 36196241
url
https://doi.org/10.2478/joeb-2022-0007View
Published (Version of record) Open Access

Abstract

Background: Bioimpedance analysis (BIA) is a readily available tool to assess body composition in a clinical setting. BIA has received little attention in orthopaedics and namely joint arthroplasty. This study aims to quantify changes in body composition in the immediate peri-operative period following total joint arthroplasty. Methods: Adults scheduled for elective total joint arthroplasty were recruited to participate. Patients underwent BIA scans in the immediate peri-operative period: pre-operative on their day of surgery, post-operative day 0, and post-operative day 1. Results: 67 patients were enrolled to undergo BIA scans. Mean age was 62.64 ± 10.28 years old, and 49.2% were females. The all-supine cohort exhibited a 0.36 ± 0.61 kg increase in dry lean mass (p < 0.001) and 1.30 ± 2.14 kg increase in lean body mass on post-operative day 0 (p < 0.001). Patients received to 1.16 ± 0.58 kg of fluid mass, on average. Conclusion: BIA is a rapid, portable tool that allows for body composition analysis of an inpatient surgical population. This study demonstrated that BIA can detect net fluid changes and may approximate implant mass following total joint arthroplasty. This may aid surgeons in interpreting post-operative body composition changes.
 Body Composition arthroplasty Bioimpedance post-surgical changes

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