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Universidad y Salud

Print version ISSN 0124-7107
On-line version ISSN 2389-7066

Abstract

NINO-MANTILLA, María Eugenia. Design and validation of a scale based on the concept PIRO, an empirical approximation of a model of prognosis of patients with sepsis. Univ. Salud [online]. 2016, vol.18, n.2, pp.214-218. ISSN 0124-7107.

Introduction: Sepsis is a syndrome of secondary systemic inflammatory response to infection, which causes between 40% -50% of cases of death in intensive care units. The PIRO concept was proposed as a new element of classification of sepsis. Objective: To analyze some relevant elements to this classification in relation to the survival of the participants in the following 28 days after discharge. Materials and methods: 559 patients diagnosed with sepsis, severe sepsis and septic shock, who underwent a baseline evaluation of the APACHE II, Charlson, SOFA scale, age, leukocytes and CRP levels during the first day of admission were analyzed; additionally, assessments were done after 28 days of discharge. A binomial log analysis of these predictors was performed and a score was assigned to those who submit a statistically significant association. This scale was compared using a ROC curve with mortality after 28 days of hospital discharge. Results: Age, race and gender were included in the analysis as index variables of predisposition (P), the site of infection (I) levels of leukocytes and PCR (R) as the response variable, and classification of sepsis, severe sepsis and septic shock as an outcome variable (O). Conclusions: The scale based on the PIRO concept applied to Colombian population presents scores related to an area under the ROC curve above 0.70 which acceptably classifies patients with high mortality risk.

Keywords : Sepsis; infection; validity; septic shock.

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