• Rev Bras Ter Intensiva · Jun 2010

    Risk factors for death among critically ill elderly patients.

    • Gisele Collyer Alves, Geraldo Bezerra da Silva Júnior, Rafael Siqueira Athayde Lima, Juliana Barbosa Sobral, Rosa Maria Salani Mota, Krasnalhia Lívia Soares de Abreu, Natália Albuquerque Rocha, Charlys Barbosa Nogueira, and Elizabeth De Francesco Daher.
    • Escola de Saúde Pública do Ceará, Fortaleza, CE, Brasil.
    • Rev Bras Ter Intensiva. 2010 Jun 1;22(2):138-43.

    BackgroundThe elderly population is increasing all over the world. The need of intensive care by the elderly is also increasing. There is a lack of studies investigating the risk factors for death among critically ill elderly patients. This study aims to investigate the factors associated with death in a population of critically ill elderly patients admitted to an intensive care unit in Brazil.MethodsThis is a retrospective cohort study including all elderly patients (>60 years) admitted to an intensive care unit in Fortaleza, Brazil, from January to December 2007. A comparison between survivors and nonsurvivors was done and the risk factors for death were investigated through univariate and multivariate analysis.ResultsA total of 84 patients were included, with an average age of 73 ± 7.6 years; 59% were female. Mortality was 62.8%. The main cause of death was multiple organ dysfunction (42.3%), followed by septic shock (36.5%) and cardiogenic shock (9.7%). Complications during intensive care unit ICU stay associated with death were respiratory failure (OR=61, p<0.001), acute kidney injury (OR=23, p<0.001), sepsis (OR=12, p<0.001), metabolic acidosis (OR=17, p<0.001), anemia (OR=8.6, p<0.005), coagulation disturbance (OR=5.9, p<0.001) and atrial fibrillation (OR=4.8, p<0.041). Independent risk factors for death were age (OR=1.15, p<0.005), coma (OR=7.51, p<0.003), hypotension (OR=21.75, p=0.003), respiratory failure (OR=9.93, p<0.0001) and acute kidney injury (OR=16.28, p<0.014).ConclusionMortality is high among critically ill elderly patients. Factors associated with death were age, coma, hypotension, respiratory failure and acute kidney injury.

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