Causes Of Urinary Tract Infections

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Causes of Urinary Tract Infection Writers Name Name, Section No Instructor’s Name Date Urinary Tract Infections; Overview A urinary tract infection (UTI) is an infection involving the kidneys, ureters, bladder, or urethra. These are the structures that urine passes through before being eliminated from the body. The kidneys are a pair of small organs that lie on either side of the spine at about waist level. They have several important functions in the body, including removing waste and excess water from the blood and eliminating them as urine. These functions make them important in the regulation of blood pressure. Kidneys are also very sensitive to changes in blood sugar levels and blood pressure. Both diabetes and hypertension can cause damage to these organs. The urethra is a small tube connecting the bladder with the outside of the body. A muscle called the urinary sphincter, located at the junction of the bladder and the urethra, must relax at the same time the bladder contracts to expel urine. It can be also said as Cystitis; UTI. Causes The bacterial strains that cause UTIs include: 1. Escherichia (E.) coli are responsible for most uncomplicated cystitis cases in women, especially in younger women. E. coli is generally a harmless microorganism originating in the intestines. If it spreads to the vaginal opening, it may invade and colonize the bladder, causing an infection. The spread of E. coli to the vaginal opening most commonly occurs when women or girls wipe themselves from back to front after urinating, or after sexual activity. 1. Staphylococcus saprophyticus accounts for 5 - 15% of UTIs, mostly in younger women. 2. Klebsiella, Enterococci bacteria, and Proteus mirabilis account for most of remaining bacterial organisms that cause UTIs. They are generally found in UTIs in older women.

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