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Introduction: Patients with community-acquired infections require assistance in intensive care units. Objective: To identify characteristics and prognostic factors of critically ill patients with community-acquired infections. Methods: A cohort study was carried out in 160 patients admitted to the intensive care unit for more than 48 hours. Variables age, sex, APACHE II index, SOFA scale, origin of the patients, stage of sepsis, comorbidity, location of the infection and therapeutic procedures were defined. Results: 58.1% of the patients were women. The median age in deceased patients was 52.5 years and 39.9 years in living (p= 0.015). The mean APACHE II in deceased patients was 22.2 points (95% CI; 18.1-26.2) (p= 0.000). The frequency of immunosuppression, neutropenia and neoplasms (p< 0.05) showed differences between living and deceased; and pneumonia as location (46.7% vs. 17.9; p= 0.007). Intra-abdominal infection (40.0%), pneumonia (20.6%) and urinary tract infection (8.8%) represented the main locations of community acquired infections. In the binary logistic regression model, APACHE II (OR= 5.96; 95% CI: 1.02-34.8) and SOFA (OR= 5.68; 95% CI: 1.4-21.7) were prognostic factors. Conclusions: The patients are characterized by being in their fourth decade, being female, having diabetes mellitus, immunosuppression or neoplasms and locations such as intra-abdominal infection and pneumonia mainly. APACHE II and SOFA are the prognostic factors for death.

Se realizó estudio analítico de casos y testigos de 64 lactantes ingresados en la Unidad de Cuidados Intensivos del Hospital Pediátrico "General Luis A. Milanés", de Bayamo en la provincia Granma, desde enero de 2007 hasta diciembre de 2011, a fin de identificar los factores de riesgo de la sepsis intrahospitalaria. Entre las principales variables seleccionadas figuraron: edad, sexo, estancia hospitalaria, hipoalbuminemia, duración de la lactancia materna exclusiva, enfermedad crónica asociada y uso de esteroides, entre otras. Se utilizaron las frecuencias absoluta y relativa para la caracterización de la muestra, así como el análisis univariado y multivariado para investigar los factores hipotéticos de riesgo. La alimentación parenteral central, la hipoalbuminemia menor de 30 g/L y la estancia hospitalaria mayor de 7 días resultaron ser los factores de riesgo predominantes.