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Up to 10% of women have a urinary tract infection in a given year and half of all women have at least one infection at some point in their lives. [ 6 ] [ 7 ] There is an increased risk of asymptomatic or symptomatic bacteriuria in pregnancy due to physiological changes that occur in a pregnant woman which promotes unwanted pathogen growth in ...
Aerococcus urinae is a member of the bacterial genus Aerococcus.The bacterium is a Gram-positive, catalase-negative coccus growing in clusters. Isolates of this genus were originally isolated in 1953 from samples collected in the air and dust of occupied rooms and were distinguished by their tetrad cellular arrangements. [2]
The interpretation of urinalysis takes into account the results of physical, chemical and microscopic examination and the person's overall condition. Urine test results should always be interpreted using the reference range provided by the laboratory that performed the test, or using information provided by the test strip/device manufacturer. [136]
It is commonly found in the human digestive system. P. mirabilis is not pathogenic in guinea pigs or chickens [ citation needed ] . This species' ability to inhibit growth of unrelated strains had been a topic for scientific curiosity, which then resulted in the discovery a macroscopically visible line of reduced bacterial growth where two ...
In addition, it is indole test-positive, meaning that this organism can split tryptophan to indole, pyruvate, and ammonia. M. morganii also produces urease, allowing it to break down urea. [ 9 ] Methyl red tests positive in M. morganii , an indicator dye that turns red due to the bacterium's acid production during fermentation . [ 7 ]
Staphylococcus saprophyticus was not recognized as a cause of urinary tract infections until the early 1970s, more than 10 years after its original demonstration in urine specimens. Prior to this, the presence of coagulase -negative staphylococci (CoNS) in urine specimens was dismissed as contamination.
Rates of asymptomatic bacteria in the urine among men over 75 are between 7–10%. [11] 2–10% of pregnant women have asymptomatic bacteria in the urine and higher rates are reported in women who live in some underdeveloped countries. [110] Urinary tract infections may affect 10% of people during childhood. [7]
Pyuria is the condition of urine containing white blood cells or pus. Defined as the presence of 6-10 or more neutrophils per high power field of unspun, voided mid-stream urine, it can be a sign of a bacterial urinary tract infection. Pyuria may be present in people with sepsis, or in older people with pneumonia.