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• W796134110 abstract "Publicaciones recientes han reactivado la discusión sobre el valor pronóstico de la elevación pretratamiento del antígeno carcinoembrionario (CEA) en el cáncer colorrectal. Debido a los resultados discordantes comunicados, pretendemos analizar en nuestro medio esta posible capacidad predictiva, globalmente y en los diferentes estadios tumorales. Estudiamos retrospectivamente 303 cánceres colorrectales resecados consecutivamente con intención curativa, analizando la mortalidad debida al tumor. Determinamos la frecuencia de casos con CEA pretratamiento patológico (>5 mg/l). Comparamos mediante análisis univariante y multivariante las curvas de supervivencia entre los casos con CEA normal y patológico, tanto en el global de la serie como en los diferentes estadios pTNM. La frecuencia de pacientes con CEA > 5 mg/l fue del 31%. La mediana de seguimiento clínico alcanzó los 83 meses. En el análisis multivariante de la serie global, la supervivencia fue desfavorable para los casos con CEA elevado: hazard ratio (HR) = 1,89; intervalo de confianza al 95% (IC 95%) = (1,15-3,10); p = 0,012. Al efectuar el análisis de supervivencia en los diversos estadios, únicamente se mantiene el valor predictivo en el estadio II (n = 104): HR = 3,02; IC 95% = (1,22-7,45); p = 0,017. Antes del inicio del tratamiento, un 31% de nuestros cánceres colorrectales resecados con intención curativa presentaron unos valores patológicos de CEA. Considerando la serie globalmente, la elevación del CEA pretratamiento presenta, de modo independiente, un valor pronóstico desfavorable sobre la supervivencia, pero al analizar su valor predictivo según los diferentes estadios, solo mantiene su significación en el estadio pTNM II. Recent reports have reopened discussion of the prognostic value of elevated pre-treatment carcinoembryonic antigen (CEA) levels in colorectal cancer. Due to the discrepancies in the published results, we aimed to analyze the possible predictive value of CEA, both overall and in different tumoral stages in our environment. We retrospectively studied 303 consecutive patients with colorectal cancer resected with curative intent by analysing tumor-related mortality. The frequency of patients with increased CEA levels (> 5 mg/l) was registered. Univariate and multivariate analyses of survival curves were performed, comparing patients with increased CEA levels and those with CEA levels within normal limits, both in the overall series and in the different pTNM tumoral stages. Frequency of patients with CEA > 5 mg/l was 31%. The median clinical follow-up was 83 months. A poor survival rate was registered in the multivariate analysis of the whole series in patients with high CEA levels: hazard ratio (HR) = 1.81; 95% confidence interval (95% CI) = (1.15-3.10); P=.012. This predictive value was only maintained in stage II in the survival analysis of the distinct tumoral stages (n = 104): HR = 3.02; 95% CI = (1.22-7.45); P=.017. Before treatment, 31% of our patients with colorectal cancer resected with curative intent had pathological CEA values. In the overall series, a high pretreatment CEA level showed an independent prognostic value for poor survival. When pTNM tumoral stages were analyzed separately, CEA level had predictive value only in pTNM II tumors." @default.
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• W796134110 date "2016-03-01" @default.
• W796134110 modified "2023-09-25" @default.
• W796134110 title "Valor pronóstico pretratamiento del antígeno carcinoembrionario en el cáncer colorrectal operado. ¿Es útil en todos los estadios del tumor?" @default.
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• W796134110 doi "https://doi.org/10.1016/j.gastrohep.2015.05.002" @default.
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