MICR3001 Lecture Notes - Lecture 4: Dysuria, Urethritis, Pyelonephritis
Document Summary
Very common: esp. women (50%) and the elderly (33%) Account for 10 million doctors" visits and . 5billion in expenses. 30:1 female to male ratio: now seeing resistance against last-resort antibodies. Reservoir is usually in the colon: originates from the guy, must travel to the urethral opening to gain access to urethra and bladder, vaginal tract is easily colonised and acts as a second reservoir. Recurrent (>80%) and relapsing infections: treated and comes back, or hasn"t been treated properly. Not just a human pathogen, as e. coli is everywhere. 1. 7 billion hospital acquired infections in the usa per annum: >100 000 deaths, -10billion. Cauti account for 40% of these infections. Risk of infection in patients with catheters increases 5-10% per day. Microscopic: wbc and bacteria count, presence of excess wbc greater than 10 per mm3 when accompanied with bacteriuria (pyria) gives evidence of infection.
