The American journal of medicine
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Health care-associated infections are those that do not meet the definition of nosocomial but are acquired by patients with extensive exposure to the health care system placing them at higher risk for resistant organisms. This category is particularly common among elderly patients. The objective of this study was to describe and compare the epidemiologic characteristics of community-acquired, health care-associated and nosocomial bloodstream infections in a geriatric population. ⋯ The category of health care-associated infection identified a unique group of geriatric patients at increased risk of methicillin-resistant Staphylococcus aureus infection and with increased mortality.
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There are limited data for prognostic and diagnostic use of natriuretic peptides in intensive care unit (ICU) patients. We evaluate amino-terminal brain natriuretic peptide (NT-proBNP) in the medical ICU, specifically its correlation with noncardiac admission diagnosis and prognosis of critically ill patients. ⋯ For patients admitted to the ICU without decompensated heart failure or acute coronary syndrome, NT-proBNP concentrations are markedly elevated, especially in patients with sepsis. NT-proBNP strongly and independently predicts mortality. However, NT-proBNP should not be used to direct volume management in critically ill patients.