Epidemiology, Clinical Features, and Prognosis of Elderly Adults with Severe Forms of Influenza A (H1N1)
| Autor: | Isabel María Sánchez Diaz, Fernando Arméstar, Alejandro Rodriguez Oviedo, MARIA PILAR LUQUE GOMEZ, Rafael Zaragoza, Jordi Rello, Antonio Gutiérrez-Pizarraya, Francisco Javier González de Molina, JOSE GARNACHO-MONTERO, Jordi Almirall, Alfonso Canabal Berlanga, Catia Cilloniz, César Laborda, Angel Pobo, Rafael Manez, Carlos Serón |
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| Rok vydání: | 2013 |
| Předmět: |
Male
Pediatrics medicine.medical_specialty Oseltamivir Population Comorbidity Antiviral Agents law.invention chemistry.chemical_compound Age Distribution Influenza A Virus H1N1 Subtype law Influenza Human Epidemiology medicine Humans Prospective Studies education Aged education.field_of_study business.industry Incidence Incidence (epidemiology) Odds ratio Prognosis Survival Analysis Intensive care unit Confidence interval Intensive Care Units Logistic Models chemistry Spain Case-Control Studies Chronic Disease Multivariate Analysis Female Observational study Geriatrics and Gerontology business |
| Zdroj: | Journal of the American Geriatrics Society. 61:350-356 |
| ISSN: | 0002-8614 |
| DOI: | 10.1111/jgs.12152 |
| Popis: | Objectives: To examine epidemiological and clinical data of individuals aged 65 and older with influenza virus A (H1N1) admitted to the intensive care unit (ICU) and to identify independent predictors of ICU mortality. Design: Prospective, observational, multicenter study to determine prognostic factors in individuals infected with influenza A (H1N1) admitted to the ICU. Setting: One hundred forty-eight Spanish ICUs. Participants: Individuals with influenza A (H1N1) confirmed using real-time polymerase chain reaction from April 2009 to July 2011. Measurements: Individuals aged 65 and older were compared with younger individuals. A multivariate analysis was conducted to determine independent predictors of mortality in this population. Results: One thousand one hundred twenty individuals (129 (11.5%) aged ?65) were included. Prevalence of chronic diseases was more common in older individuals. Viral pneumonitis was more frequent in individuals younger than 65 (70.5% vs 54.3%, P < .001). In older individuals, Acute Physiology and Chronic Health Evaluation II score (odds ratio (OR) = 1.11, 95% confidence interval (CI) = 1.11�1.20, P = .002), immunosuppression (OR = 3.66, 95% CI, 1.33�10.03, P = .01) and oseltamivir therapy initiated after 48 hours (OR = 3.32, 95% CI = 1.02�10.8, P = .04) were identified as independent variables associated with mortality. Corticosteroid use was associated with a trend toward greater mortality (OR = 2.39, 95% CI = 0.98�5.91, P = .06). Conclusion: Individuals aged 65 and older with influenza A (H1N1) admitted to the ICU have a higher incidence of underlying diseases than younger individuals and differences in clinical presentation. Early oseltamivir therapy is associated with better outcomes in elderly adults. |
| Databáze: | OpenAIRE |
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