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Bioimpedance spectroscopy for swelling evaluation following total knee arthroplasty: a validation study

Overview of attention for article published in BMC Musculoskeletal Disorders, April 2015
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Title
Bioimpedance spectroscopy for swelling evaluation following total knee arthroplasty: a validation study
Published in
BMC Musculoskeletal Disorders, April 2015
DOI 10.1186/s12891-015-0559-5
Pubmed ID
Authors

Claude Pichonnaz, Jean-Philippe Bassin, Estelle Lécureux, Damien Currat, Brigitte M Jolles

Abstract

The evaluation of swelling is important for the outcome of total knee arthroplasty (TKA) surgery. The circumference or volume measurements are applicable at the bedside of the patient but are altered by muscular atrophy and the post-surgical dressing. Bioimpedance spectroscopy might overcome these limitations; however, it should be validated. This study aimed to explore the validity, the reliability and the responsiveness of bioimpedance spectroscopy for measuring swelling after TKA. The degree of swelling in 25 patients undergoing TKA surgery was measured using bioimpedance spectroscopy (BIS R0), knee circumference and limb volume. The measurements were performed on D-1 (day before surgery), D + 2 (2 days after surgery) and D + 8 (8 days after surgery). The BIS R0 measurements were repeated twice, alternating between two evaluators. The percentage of the difference between the limbs was calculated for BIS R0, circumference and volume. The intra- and inter-observer intraclass correlation coefficients (ICCs), limits of agreement (LOA), effect size (Cohen's d), correlations between the methods and diagnostic sensitivity were calculated. BIS R0, circumference and volume detected swelling < 3.5% at D-1. The swelling at D2 and D8 was greater with BIS R0 [mean (SD) 29.9% (±9.8) and 38.27 (±7.8)] than with volume [14.7 (±9.5) and 14.9 (±8.2)] and circumference [11.1 (±5.7) and 11.7 (±4.1)]. The BIS R0 intra- and inter-evaluator ICCs ranged from 0.89 to 0.99, whereas the LOA were < 5.2%. The BIS R0 correlation was 0.73 with volume and 0.75 with circumference. The BIS R0 Cohen's d was 3.32 for the D-1-D2 evolution. The diagnostic sensitivity was 83% D2 and 96% at D8. Bioimpedance is a valid method for the evaluation of swelling following TKA. BIS R0 also demonstrated excellent intra- and inter- evaluator reliability. The diagnostic sensitivity and responsiveness is superior to that of concurrent methods. BIS R0 is an efficient method for post-surgical follow up at the bedside of the patient. The measurement of BIS R0 is a straightforward, valid, reliable and responsive method for lower limb swelling following TKA surgery that could be used in clinics and research. ClinicalTrials.gov Identifier: NCT00627770 .

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 70 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United Kingdom 1 1%
Unknown 69 99%

Demographic breakdown

Readers by professional status Count As %
Student > Master 11 16%
Student > Bachelor 11 16%
Researcher 7 10%
Student > Ph. D. Student 6 9%
Student > Postgraduate 5 7%
Other 8 11%
Unknown 22 31%
Readers by discipline Count As %
Medicine and Dentistry 13 19%
Nursing and Health Professions 10 14%
Engineering 7 10%
Computer Science 2 3%
Sports and Recreations 2 3%
Other 6 9%
Unknown 30 43%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 28 April 2015.
All research outputs
#18,407,102
of 22,800,560 outputs
Outputs from BMC Musculoskeletal Disorders
#3,127
of 4,042 outputs
Outputs of similar age
#193,194
of 265,096 outputs
Outputs of similar age from BMC Musculoskeletal Disorders
#55
of 66 outputs
Altmetric has tracked 22,800,560 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
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We're also able to compare this research output to 66 others from the same source and published within six weeks on either side of this one. This one is in the 9th percentile – i.e., 9% of its contemporaries scored the same or lower than it.