Nosocomial Bloodstream Infections: Are Positive Blood Cultures Misleading?
نویسندگان
چکیده
منابع مشابه
Detection of bloodstream infections in adults: how many blood cultures are needed?
Although several reports have shown that two to three 20-ml blood cultures are adequate for the detection of bacteremia and fungemia in adults, a recent study (F. R. Cockerill et al., Clin. Infect. Dis. 38:1724-1730, 2004) found that two blood cultures detected only 80% of bloodstream infections and that three blood cultures detected 96% of episodes. We reviewed data at two university hospitals...
متن کاملAssessing how many blood cultures are needed for detecting bloodstream infections.
In their recently published work, Lee et al. (5) have estimated the cumulative sensitivity of blood cultures in detecting bloodstream infections (BSIs) in adult inpatients using automated detection systems. They considered all instances in which at least three blood cultures per patient were taken within a 24-h period. Only cases judged to represent true infection, according to medical record r...
متن کاملNosocomial bloodstream infections: organisms, risk factors, and implications.
In the last 30 years, the frequency, etiology, and epidemiology of bloodstream infections (BSIs) have changed with the evolution of medical care, particularly among the increasing number of hospitalized patients who require intensive care. Although gram-negative bacilli were the predominant nosocomial pathogens in the 1970s, gram-positive cocci have emerged as a more frequent cause of nosocomia...
متن کامل[Epidemiological characteristics of nosocomial bloodstream infections and their causes].
BACKGROUND/AIM Nosocomial bloodstream infections (BSI) contribute to grater morbidity and mortality rates, as well as to increasing length of hospital stay and health care costs. All patients with nosocomial BSI identified during the one-year period were studed to identify microbiological factors associated with these infections. METHODS A one-year prospective cohort study was performed in pa...
متن کاملExcess mortality in critically ill patients with nosocomial bloodstream infections.
To determine the excess mortality attributable to hospital-acquired bloodstream infections, we applied the acute physiology and chronic health evaluation (APACHE) II classification to 34 critically ill patients with this complication. The study included primary bloodstream infections, defined by a positive blood culture at least three days after hospitalization, in the absence of any other appa...
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ژورنال
عنوان ژورنال: Clinical Infectious Diseases
سال: 2000
ISSN: 1058-4838,1537-6591
DOI: 10.1086/313835