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Saúde & Tecnologia
Article . 2022
Data sources: DOAJ
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Saúde & Tecnologia
Article . 2016
Data sources: DOAJ
https://dx.doi.org/10.25758/se...
Article . 2022
License: CC BY NC ND
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Influência da escala de cores na avaliação qualitativa das imagens de cintigrafia de perfusão do miocárdio

Influence of the color scale in qualitative assessment of myocardial perfusion imaging
Authors: Figueiredo, Andreia; Ramos, Emília; Carolino, Elisabete; Vaz, Tânia; Vieira, Lina;

Influência da escala de cores na avaliação qualitativa das imagens de cintigrafia de perfusão do miocárdio

Abstract

Introdução – A cintigrafia de perfusão do miocárdio (CPM) é utilizada no diagnóstico e seguimento de pacientes com doença arterial coronária, sendo a sua avaliação frequentemente realizada através da análise visual dos cortes tomográficos. A escala de cores selecionada é essencial na interpretação clínica das imagens de perfusão do miocárdio. Objetivo – Avaliar a influência de diferentes escalas de cores na avaliação qualitativa das imagens de CPM e estudar quais as mais adequadas para análise visual. Métodos – Trinta e cinco estudos de CPM foram avaliados visualmente por 16 estudantes da licenciatura em medicina nuclear nas escalas de cores Cool, Gray, Gray Invert, Thermal e Warm. Para a escala de cores Cool, a análise das imagens de CPM foi realizada através de um sistema de classificação semiquantitativo por scores. As restantes escalas de cores foram avaliadas por comparação com a análise das imagens efetuada com escala de cores Cool. Resultados/Discussão – Para a escala de cores Cool, a variabilidade interoperador revelou a existência de diferenças estatisticamente significativas entre todos os participantes (p<0,05), o que se pode atribuir à subjetividade da avaliação visual. Os resultados relativos às escalas de cores Gray e Gray Invert foram os mais próximos da perfusão do miocárdio observada com a escala Cool, considerando-se escalas de cores alternativas na análise visual dos estudos de CPM. Para as escalas de cores Thermal e Warm os resultados foram mais divergentes, não se considerando adequadas para a avaliação visual dos estudos de CPM. Conclusão – A escala de cores influencia a avaliação qualitativa da perfusão na CPM.

Saúde & Tecnologia, N.º 15 (2016): Maio 2016

Country
Portugal
Keywords

Escala de cores, Avaliação qualitativa, Myocardial perfusion imaging, Medicina nuclear, Nuclear medicine, Análise visual, R, Visual analysis, Cintigrafia de perfusão do miocárdio, Medicine, Color scale, Qualitative assessment

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
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