A New, Effective and Low-Cost Three-Dimensional Approach for the Estimation of Upper-Limb VolumeReportar como inadecuado




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1

Department of Life and Environmental Sciences, University of Cagliari, Cagliari 09126, Italy

2

Metrology Group of Sardinia Radio Telescope, INAF, Selargius 09047, Italy





*

Author to whom correspondence should be addressed.



Academic Editor: Vittorio M.N. Passaro

Abstract The aim of this research was to validate a new procedure SkanLab for the three-dimensional estimation of total arm volume. SkanLab is based on a single structured-light Kinect sensor Microsoft, Redmond, WA, USA and on Skanect Occipital, San Francisco, CA, USA and MeshLab Visual Computing Lab, Pisa, Italy software. The volume of twelve plastic cylinders was measured using geometry, as the reference, water displacement and SkanLab techniques two raters and repetitions. The right total arm volume of thirty adults was measured by water displacement reference and SkanLab two raters and repetitions. The bias and limits of agreement LOA between techniques were determined using the Bland–Altman method. Intra- and inter-rater reliability was assessed using the intraclass correlation coefficient ICC and the standard error of measurement. The bias of SkanLab in measuring the cylinders volume was −21.9 mL −5.7% LOA: −62.0 to 18.2 mL; −18.1% to 6.7% and in measuring the volume of arms’ was −9.9 mL −0.6% LOA: −49.6 to 29.8 mL; −2.6% to 1.4%. SkanLab’s intra- and inter-rater reliabilities were very high ICC >0.99. In conclusion, SkanLab is a fast, safe and low-cost method for assessing total arm volume, with high levels of accuracy and reliability. SkanLab represents a promising tool in clinical applications. View Full-Text

Keywords: accuracy and reliability; upper limb volume; three-dimensional technique; lymphedema accuracy and reliability; upper limb volume; three-dimensional technique; lymphedema





Autor: Roberto Buffa 1, Elena Mereu 1, Paolo Lussu 1, Valeria Succa 1, Tonino Pisanu 2, Franco Buffa 2 and Elisabetta Marini 1,*

Fuente: http://mdpi.com/



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