Some knowledges about the urinary tract infections

Affecting millions of people each year, the urinarytravel a shorter distance to the bladder, and also
tract infections are more frequent in women, butbecause woman's urethral opening is near sources
they can affect men as well, and can cause aof bacteria from the anus and vagina. For many
serious condition.women, it is possible that sexual intercourse to
It is known that the urinary system contains thetrigger an infection as well. It was also seen that
kidneys, ureters, bladder, and urethra. Thewomen who use a diaphragm for birth control are
kidneys, which are a pair of purplish-brown organsmore predisposed into getting a urinary tract
situated below the ribs toward the middle of theinfection.
back have the role to remove excess liquid andResearchers say that a factor that determines
wastes from the blood, to form the urine, tothe recurrence of the urinary tract infections may
produce a hormone that aids the formation of redbe the ability of bacteria to attach to cells lining
blood cells and to keep a stable balance of saltsthe urinary tract. It was made a recent study,
and other substances in the blood. The uretersand it was discovered that bacteria formed a
have the role to carry urine from the kidneys toprotective film on the inner lining of the bladder in
the bladder, and here, the urine is stored and thenmice. This is a step forward, because if this
the urine exits the body through the urethra.process can be demonstrated in humans too,
Normally, the urine is sterile, but there can appearthere can appear new treatments to prevent the
infections when bacteria, from the digestive tractrecurrent urinary tract infections.
usually, cling to the opening of the urethra andOther studies suggest that women who are
start multiplying. Usually, the bacteria typenon-secretors of certain blood group antigens are
Escherichia coli is responsible for these infections.more predisposed to recurrent urinary tract
If the infection is limited to the urethra, we areinfections. The scientists explain this happens
dealing with urethritis. If bacteria traveled to thebecause the cells lining the vagina and urethra
bladder and multiplied, we have a cystitis. It ismay allow bacteria to attach more easily.
very important that infection to be treated asSeems that pregnant women who develop a
quickly as possible, because the kidneys canurinary tract infection have a greater risk for the
become infected, causing pyelonephritis.infection to affect the kidneys. It is believed this
Some microorganism, called Chlamydia andhappens because hormonal changes and shifts in
Mycoplasma can be sexually transmitted, andthe position of the urinary tract during pregnancy
they can cause urinary tract infections. Thesemake it easier for the bacteria to travel to the
infections usually are limited to the urethra andkidneys. That's why period testing of urine during
reproductive system and treatment is requiredpregnancy is recommended.
for both partners.Although not all the patients with urinary tract
There are some persons more predisposed toinfections have symptoms, there usually appears
develop a urinary tract infection. For example ana frequent urge to urinate, a painful, burning
abnormality of the urinary tract that obstructsfeeling in the area of the bladder or urethra during
the flow of urine, or an enlarged prostate glandurination, women can experience an
can lead to an increased risk of infection.uncomfortable pressure above the pubic bone and
Also, it is known that catheters, or tubes, placedmen a fullness in the rectum. If there appears
in the urethra and bladder are a common sourcefever too, it is possible that the infection has
of infection, and people with diabetes or anyreached the kidneys. The symptoms of a kidney
other disorder that suppresses the immuneinfection also include symptoms like pain in the
system have an increased risk to develop aback or side below the ribs, nausea and vomiting.
urinary tract infection.Usually, in a urinary tract infection, the urine may
It was seen that urinary tract infections maylook milky or cloudy, and if blood is present, it will
occur in infants born with abnormalities of thelook reddish.
urinary tract and sometimes surgery is needed.It is important to know that children with urinary
The scientists do not know for sure why womentract infections may have fever as the only
develop more often then men urinary tractsymptom, that is why very often, the symptom
infections, but it is believed this happens becauseof a urinary tract infection can be attributed to
woman's urethra is shorter, and so, bacteria willanother disorder.