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Vol. 28. Issue 4.
Pages 179-185 (May 1992)
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Vol. 28. Issue 4.
Pages 179-185 (May 1992)
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Factores pronósticos en el carcinoma microcítico de pulmón
Prognostic factors in microcytic carcinoma of the lung
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J. Sánchez de Cos Escuín, F. Masa Jiménez, J.L. de la Cruz Ríos, M.C. Vergara Fiordia
Unidad de Neumología. Servicio de Medicina Interna. Hospital de la S.S. San Pedro de Alcántara. Cáceres
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En 71 pacientes con carcinoma microcítico de pulmón (30 con enfermedad limitada y 41 con enfermedad diseminada), se analizó la asociación con el tiempo de supervivencia y la respuesta al tratamiento de las siguientes variables pretrata-miento: edad, grado ECOG, estadio, presencia de adenopatías mediastínicas, síndrome de vena cava superior, metástasis óseas, hepáticas o encefálicas; número de metástasis, concentración de albúmina sérica, hematocrito y pauta de poliqui-mioterapia aplicada.

En el conjunto total de casos, el análisis univariado mostró mayor supervivencia asociada a los siguientes parámetros: estadio enfermedad limitada (EL), poliquimioterapia (PQT) con carboplatino (CPT) y vp-16, grados ECOG 0-1, concentración normal de albúmina sérica y ausencia de afección mediastínica. Los dos primeros conservaron valor pronóstico independiente en el modelo multivariado de Cox (EL, p=0,012; PQT, p=0,021). La remisión completa fue significativamente más frecuente en estadio EL (p=0,045).

En estadio enfermedad limitada, sólo la afección mediastínica conllevó una supervivencia más corta (p=0,016). En estadio de enfermedad diseminada, únicamente la presencia de metástasis encefálica mantuvo valor pronóstico en el modelo multivariado.

In a series of 71 patients with microcytic carcinoma of the lung (limited disease in 30 patients and disseminated disease in 41) we analyzed the association between survival time and response to treatment with the following pretreatment variables: age, ECOG degree, stage, presence of mediastinal adenopathies, superior vena cava syndrome, metastases to bones, liver, or brain, number of metastases, level of serum albumin, hematocrit, and type of polychemotherapy used. In the overall series of patients univariate analysis revealed a higher survival associated to the following parameters: stage of the limited disease, polychemotherapy with carboplatin and vp-16, ECOG degrees 0-1, normal level of serum albumin, and absence of mediastinal involvement. The first two variables had an independent prognostic valué in Cox multivariate model (p=0.012 and p=0.021, respectively). Complete remission was significantly more frequent in cases with limited disease (p=0.045). In cases of limited disease only the presence of mediastinal involvement induced a shorter survival (p=0.016). During the stage of disseminated disease only the presence of encephalic metastases had a prognostic valué in the multivariate analysis model.

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Copyright © 1992. Sociedad Española de Neumología y Cirugía Torácica
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