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    Risk factors for bacteremia in patients with urinary Catheter- associated bacteriuria

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    Author
    Conway, L.J.
    Liu, J.
    Harris, A.D.
    Date
    2017
    Journal
    American Journal of Critical Care
    Publisher
    American Association of Critical Care Nurses
    Type
    Article
    
    Metadata
    Show full item record
    See at
    https://doi.org/10.4037/ajcc2017220
    Abstract
    Background Catheter-associated bacteriuria is complicated by secondary bacteremia in 0.4% to 4.0% of cases. The directly attributable mortality rate is 12.7%. Objective To identify risk factors for bacteremia associated with catheter-associated bacteriuria. Methods Data were acquired from a large electronic clinical and administrative database of consecutive adult inpatient admissions to 2 acute care hospitals during a 7-year period. Data on patients with catheter-associated bacteriuria and bacteremia were compared with data on control patients with catheter-associated bacteriuria and no bacteremia, matched for date of admission plus or minus 30 days. Urine and blood cultures positive for the same pathogen within 7 days were used to define catheter- associated bacteriuria and bacteremia. Multivariable conditional logistic regression was used to determine independent risk factors for bacteremia. Results The sample consisted of 158 cases and 474 controls. Independent predictors of bacteremia were male sex (odds ratio, 2.76), treatment with immunosuppressants (odds ratio, 1.68), urinary tract procedure (odds ratio, 2.70), and catheter that remained in place after bacteriuria developed (odds ratio, 2.75). Patients with enterococcal bacteriuria were half as likely to become bacteremic as were patients with other urinary pathogens (odds ratio, 0.46). Odds of secondary bacteremia increased 2% per additional day of hospital stay (95% CI, 1.01-1.04) and decreased 1% with each additional year of age (95% CI, 0.97-0.99). Conclusions The results add new information about increased risk for bacteremia among patients with catheters remaining in place after catheter-associated bacteriuria and confirm evidence for previously identified risk factors.
    Keyword
    Bacteremia--etiology
    Bacteriuria--complications
    Catheter-Related Infections--complications
    Cross Infection--complications
    Identifier to cite or link to this item
    https://www.scopus.com/inward/record.uri?eid=2-s2.0-85029305112&doi=10.4037%2fajcc2017220&partnerID=40&md5=8ff5e2e35f3ff2e47475e5486b22c27d; http://hdl.handle.net/10713/11119
    ae974a485f413a2113503eed53cd6c53
    10.4037/ajcc2017220
    Scopus Count
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    UMB Open Access Articles 2017

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