definition of UTI
A urinary tract infection (UTI) is an infection involving any part of the urinary system, including urethra, bladder, ureters, and kidney.UTIs are the most common type of healthcare-associated infection reported to the National Healthcare Safety Network (NHSN) .Among UTIs acquired in the hospital, approximately 75% are associated with a urinary catheter, which is a tube inserted into the bladder through the urethra to drain urine.TIs are the most common type of healthcare-associated infection reported to the National Healthcare Safety Network (NHSN) . Among UTIs acquired in the hospital, approximately 75% are associated with a urinary catheter, which is a tube inserted into the bladder through the urethra to drain urine.