DefinitionAcatheter-associated urinary tract infection (UTI) is an infection that occurs in someone who has a tube (called a catheter) in place to drain urine from the body.Alternative NamesUTI - catheter associated; Urinary tract infection - catheter associated; Nosocomial UTI; Health care associated UTI; Catheter-associated bacteriuriaCauses, incidence, and risk factorsHaving a catheter within the urinary tract your chances of an urinary tract infection. It may also make it harder to treat the infection.If a urinary catheter is left in place for a long time, bacteria will grow in it. A harmful infection may occur if the number of bacteria becomes large or if specific harmful bacteria grow in the urinary tract.Most catheter-associated UTIs are caused by bacteria. However, the fungus Candi