2021
DOI: 10.1016/j.semerg.2021.05.003
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Aplicación del valor umbral del número de ciclos (Ct) de PCR en la COVID-19

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Cited by 17 publications
(14 citation statements)
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“…These results should also be interpreted with caution, since the loss of data was greater in the later study visits. However, it is important to note that with a Ct value above 33, the patient is considered not infectious for SARS-CoV-2 [ 23 , 31 ], a value that was only reached in the ethanol group at visit 14, both taking into account the three genes or the N gene alone. This would imply that the ethanol group would reach a non-infectious condition earlier than the placebo group.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…These results should also be interpreted with caution, since the loss of data was greater in the later study visits. However, it is important to note that with a Ct value above 33, the patient is considered not infectious for SARS-CoV-2 [ 23 , 31 ], a value that was only reached in the ethanol group at visit 14, both taking into account the three genes or the N gene alone. This would imply that the ethanol group would reach a non-infectious condition earlier than the placebo group.…”
Section: Discussionmentioning
confidence: 99%
“…Ct values of the N gene were also analyzed separately, as this is the most conserved one [ 22 ]. A patient who achieves a Ct value above 33 after a previous positive test was considered non-infectious for SARS-CoV-2 [ 23 , 24 ], allowing the isolation to be lifted.…”
Section: Methodsmentioning
confidence: 99%
“…11 Asimismo, en la publicación de Serrano-Cumplido y colaboradores mencionan que un Ct entre 31 y 35 equivaldría a una carga viral sin capacidad infectiva y que podría suponer heterogeneidad de la muestra tomada y de los sistemas comercializados. 12 Siendo esto relevante a considerar en los futuros procesos de donantes con resultados similares.…”
Section: Discussionunclassified
“…(Sule & Oluwayelu, 2020) pero en otros estudios se utiliza el denominado valor Ct (valor del umbral de ciclos), (Chaudhary et al, 2021) (Costa et al, 2021) (Mukhtar et al, 2020) (Ferrer et al, 2021) (Eduardo et al, 2021) (Elzein et al, 2021) (Guimarães et al, 2022) (Seneviratne et al, 2020) (Mohamed et al, 2020) para valorar la presencia del virus en las muestras antes y después de los enjuagues. (Serrano et al, 2021) De hecho una limitación importante es que los métodos de PCR existentes no distinguen entre los virus "muertos" inactivados y los "viables", por lo que las interpretaciones de los valores Ct obtenidos antes y después del uso de enjuagues orales, deben analizarse cuidadosamente y tomando en cuenta siempre el contexto clínico del paciente. (Ann Lim et al, 2022)…”
Section: Discussionunclassified