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  • Title: Prognostic factors in patients with systemic lupus erythematosus admitted to the intensive care unit.
    Author: Namendys-Silva SA, Baltazar-Torres JA, Rivero-Sigarroa E, Fonseca-Lazcano JA, Montiel-López L, Domínguez-Cherit G.
    Journal: Lupus; 2009 Dec; 18(14):1252-8. PubMed ID: 19850662.
    Abstract:
    The objectives of this study were to identify risk factors associated with mortality in patients with systemic lupus erythematosus (SLE) admitted to the intensive care unit (ICU) and to evaluate the usefulness of Acute Physiologic and Chronic Health Evaluation (APACHE) II score to predict outcomes in these patients, through the use of a retrospective patient record review from a multidisciplinary intensive care unit in a teaching hospital. One hundred and four patients with SLE admitted to the ICU were included in the study. The mean age of patients was 32.44 years, 96.2% were female and 61.5% were admitted with infection. The mean APACHE II score was 19.7, 46.2% had acute renal dysfunction, 67.3% received inotropics/ vasopressors, 27.9% pulmonary artery catheter and 74% invasive mechanical ventilation. The mean length of stay in ICU was 18.5 days and mortality rate was 32.7%. In the univariate logistic regression analysis, factors associated with mortality were high APACHE II score, use of inotropics/vasopressors, pulmonary artery catheter and invasive mechanical ventilation. High APACHE II score and use of inotropics/vasopressors remained significant in the multi-variate analysis. The area under the receiver operating characteristic curve of the APACHE II score to predict mortality was 0.689 (95% CI 0.586-0.791 p = 0.002) and the Hosmer- Lemeshow chi( 2) was 5.094 (p = 0.747). We conclude that the mortality rate in patients with SLE admitted to the ICU is high. The most common cause of admission was infection. The factors associated with mortality were high APACHE II score and the use of inotropics/vasopressors. APACHE II score was unable to accurately predict mortality.
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