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- W2461121173 abstract "Establecer la utilidad de las concentraciones plasmáticas de proteína C reactiva en el segundo trimestre para la predicción del parto pretérmino. Se realizó un estudio de casos-controles en una muestra de 613 embarazadas que asistieron al Hospital Central «Dr. Urquinaona», Maracaibo, Venezuela. El grupo A (n = 52) fueron las pacientes que presentaron parto pretérmino y el grupo B (n = 561) fueron las mujeres con parto a término (grupo control). Se compararon las concentraciones plasmáticas de proteína C reactiva entre los grupos. La edad gestacional al momento de la determinación de las concentraciones plasmáticas de proteína C reactiva fue de 26.2 ± 1.1 semanas para el grupo A y 25.9 ± 1.1 semanas para el grupo B (p = ns). No se encontraron diferencias estadísticamente significativas en la edad materna, índice de masa corporal y antecedentes de parto pretérmino (p = ns). Las mujeres del grupo A (2.1 ± 0.8 mg/dL) presentaron concentraciones significativamente más altas de proteína C reactiva comparadas con las embarazadas del grupo B (1.4 ± 0.6 mg/dL; p < 0.0001). Un valor de corte de 1.6 ng/mL presentó un valor por debajo de la curva de 0.71 con sensibilidad del 71.1%, especificidad del 54.1%, valor predictivo positivo del 12.5% y valor predictivo negativo del 95.3%. Las concentraciones plasmáticas de proteína C reactiva en el segundo trimestre están elevadas en las embarazadas que posteriormente presentan parto pretérmino, pero no son útiles en la predicción de este. To establish the prognostic usefulness of plasma concentrations of C-reactive protein in second trimester for the prediction of preterm delivery. A case-control study was conducted on a sample of 613 pregnant women attending the Dr. Urquinaona Central Hospital, Maracaibo, Venezuela. Group A (n = 52) women with preterm birth and group B (n = 561) women with term birth, (control group) of pregnant women who had term deliveries. The plasma concentrations of C-reactive protein were compared between the 2 groups. The mean gestation age at measurement of plasma concentrations of C-reactive protein was 26.2 ± 1.1 weeks in group A and 25.9 ± 1.1 weeks in group B (P = ns). There were no significant differences in maternal age, body mass index or history of preterm labour. Plasma C-reactive protein concentrations were higher in group A (2.1 ± 0.8) than in group B (1.4 ± 0.6 mg/dL (P < .0001). A cut-off value of 1.6 mg/dL had a value under curve of 0.71 with a sensitivity of 71.1%, specificity of 54.1%, positive predictive value of 12.5%, and negative predictive value of 95.3%. Plasma C-reactive protein concentrations in second trimester are elevated in pregnant women, who later had preterm delivery, but are not useful for predicting this." @default.
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- W2461121173 date "2016-06-01" @default.
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- W2461121173 title "Proteína C reactiva plasmática en el segundo trimestre para predicción de parto pretérmino" @default.
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- W2461121173 doi "https://doi.org/10.1016/j.rprh.2016.06.008" @default.
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