Medicina intensiva · 2013
[Epidemiology and long-term outcome of sepsis in elderly patients].
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Carbajal-Guerrero J, Cayuela-Domínguez A, Fernández-García E, Aldabó-Pallás T, Márquez-Vácaro J A, Ortiz-Leyba C, Garnacho-Montero J
Аннотация
OBJECTIVES: A study was made of the epidemiological data of sepsis requiring admission to the ICU in patients over 65 years of age, with an evaluation of independent predictors of survival at 2 years.
DESIGN: A prospective cohort study was made.
PATIENTS: Patients meeting criteria for sepsis upon admission to the ICU.
SETTING: A 40-bed ICU in a tertiary hospital.
RESULTS: The study group included 237 elderly patients (≥ 65 years of age) and 281 controls (<65 years of age) (n=518). At least one chronic comorbid condition was present in 70% of the elderly patients as compared to only 56.1% of patients under age 65 (P<.01). There were several epidemiological differences between the groups: the prevalence of chronic diseases (diabetes, chronic obstructive pulmonary disease, and chronic heart failure), presentation as septic shock (52.3% vs 42%; P<.05), and the abdomen as the source of sepsis (52% vs 36%; P<.01) were all more frequent in elderly patients. Nine percent of the global patients discharged from hospital died in the 2-year follow-up period, but this rate reached 20% among the elderly. Independent predictors of 2-year mortality in the elderly were: chronic heart failure (adjusted hazard ratio [aHR] 2.24, 95% confidence interval [CI 95%] 1.28-3.94; P<.01), acute renal failure (aHR 3.64, 95%CI 2.10-6.23; P<.01), acute respiratory failure (aHR 3.67, 95%CI 2.31-5.86; P<.01), and inappropriate empirical antimicrobial therapy (aHR 2.19, 95%CI 1.32-3.62; P<.01).
CONCLUSIONS: Sepsis showed different demographic characteristics and clinical presentations in the elderly. In the aging cohort, after adjusting for potential confounders, inadequate empirical antimicrobial therapy was associated to a 2-fold decrease in survival at two years.
DESIGN: A prospective cohort study was made.
PATIENTS: Patients meeting criteria for sepsis upon admission to the ICU.
SETTING: A 40-bed ICU in a tertiary hospital.
RESULTS: The study group included 237 elderly patients (≥ 65 years of age) and 281 controls (<65 years of age) (n=518). At least one chronic comorbid condition was present in 70% of the elderly patients as compared to only 56.1% of patients under age 65 (P<.01). There were several epidemiological differences between the groups: the prevalence of chronic diseases (diabetes, chronic obstructive pulmonary disease, and chronic heart failure), presentation as septic shock (52.3% vs 42%; P<.05), and the abdomen as the source of sepsis (52% vs 36%; P<.01) were all more frequent in elderly patients. Nine percent of the global patients discharged from hospital died in the 2-year follow-up period, but this rate reached 20% among the elderly. Independent predictors of 2-year mortality in the elderly were: chronic heart failure (adjusted hazard ratio [aHR] 2.24, 95% confidence interval [CI 95%] 1.28-3.94; P<.01), acute renal failure (aHR 3.64, 95%CI 2.10-6.23; P<.01), acute respiratory failure (aHR 3.67, 95%CI 2.31-5.86; P<.01), and inappropriate empirical antimicrobial therapy (aHR 2.19, 95%CI 1.32-3.62; P<.01).
CONCLUSIONS: Sepsis showed different demographic characteristics and clinical presentations in the elderly. In the aging cohort, after adjusting for potential confounders, inadequate empirical antimicrobial therapy was associated to a 2-fold decrease in survival at two years.