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Title: Intra- and inter-rater reproducibility of ultrasound imaging of patellar and quadriceps tendons in critically ill patients
Authors: Castro, Joana
Carvalho, Karina Livino de
Silva, Paulo Eugênio
Martins, Emerson Fachin
Babault, Nicolas
Marqueti, Rita de Cássia
Durigan, João Luiz Quagliotti
Assunto:: Ultrassonografia
Tendões patelar
Issue Date: 2019
Publisher: Plos One
Citation: Castro Joana et al. Intra- and inter-rater reproducibility of ultrasound imaging of patellar and quadriceps tendons in critically ill patients. PLoS ONE, v. 14, n. 6, e0219057, 2019. DOI: pone.0219057. Disponível em: Acesso em: 30 jul. 2019.
Abstract: Since the outset of body image reconstruction for diagnosis purposes, ultrasound has been used to investigate structural changes located in tendons. Ultrasound has clinical applications in the intensive care unit, but its utility for tendon imaging remains unknown. Thus, we aimed to determine intra- and inter-rater reproducibility of measures obtained by images generated through morphological tendon sonographic analysis recorded from critically ill patients. We designed a cross-sectional study to assess thickness, cross-sectional area, and echogenicity of patellar and quadriceps tendons in a convenience sample formed with 20 critically ill patients. Two independent raters (experienced and novice) recorded repeated measures, checking for agreement (Kappa statistics) and reliability (Intraclass coefficient Correlation-ICC and Bland-Altman). The quality of images acquired by the two independent raters substantially agreed (k = 0.571–1.000), regardless of the region on the patellar tendon or the studied tendon (patellar or quadriceps). Regardless of how much experience the rater had, their repeated records (intra-rater reliability) always demonstrated almost complete correlation, ICC ranging from 0.89 to 0.98 for both tendons in all outcomes. At the same way, the statistically significant inter-rater ICC ranging from 0.87 to 0.97. Both repeated measures by the raters (intra-rater) and the repeated single and double measures between the raters (inter-rater) presented a minimum measurement error constituting a predominant pattern of random variability. We conclude that ultrasound imaging acquisition performed by independent raters for tendon thickness, CSA, and echogenicity monitoring of critically ill patients are acceptable and are not influenced by rater experience.
Licença:: © 2019 Castro et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
DOI: pone.0219057
Appears in Collections:FCE-FIS - Artigos publicados em periódicos

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