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Feb 12, 2023 · Urinary tract infections (UTIs) are caused by a wide range of pathogens, including Gram-negative and Gram-positive bacteria, as well as fungi. The causative organism may vary depending on whether the UTI is community-acquired or healthcare-acquired, and prior exposure of the patient to antimicrobials. 2.
In men with symptoms suggestive of a UTI, confirm the diagnosis by urine culture and sensitivity by arranging collection of a mid-steam urine (MSU), or catheter specimen of urine (CSU), to determine the infecting microorganism. Obtain a urine sample for culture before starting empirical drug treatment.
Jan 5, 2024 · The remaining gram-negative urinary pathogens are usually other enterobacteria, typically Klebsiella or Proteus mirabilis, and occasionally Pseudomonas aeruginosa. Among gram-positive bacteria, Staphylococcus saprophyticus is isolated in 5 to 10% of bacterial UTIs.
Enteroccocus faecalis and E. faecium are Gram-positive bacteria responsible for up to 17% of nosocomial CAUTIs 110,113. Over 85% of E. faecium and 7% of E. faecalis clinical CAUTI isolates tested were found to be resistant to vancomycin 113.
- Roger D. Klein, Scott J. Hultgren
- 10.1038/s41579-020-0324-0
- 2020
- 2020/04
Gram-positive bacteria are a common cause of urinary tract infection (UTI), particularly among individuals who are elderly, pregnant, or who have other risk factors for UTI. Here we review the epidemiology, virulence mechanisms, and host response to the most frequently isolated Gram-positive uropathogens: Staphylococcus saprophyticus ...
- Kimberly A. Kline, Amanda L. Lewis
- 10.1128/microbiolspec.UTI-0012-2012
- 2016
- 2016/04
Nov 15, 2013 · Urinalysis Interpretation. There are several factors to consider when evaluating urinalysis for indicators of infection. The most obvious indicator of bacterial infection in the urine is the presence of bacteria; this is often quantified in terms of the number of bacteria per high-power field (HPF).
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assessing for true urinary tract infection: (1) use of the term "bacteriuria" or "asymptomatic bacteriuria" rather than UTI to encourage ongoing diagnostic evaluation, (2) consider careful monitoring rather than antibiotic administration and (3)
