Monday August 20, 2007
CR-BSIs
One of the parameter or measurement of ICU is the decreasing rate of CR-BSIs. (Central line catheter-related bloodstream infections). CR-BSIs are calculated or presented usually per 1000 central line-days. The formula for the CR-BSI
Rate per 1000 catheter days is: Total no. of CR-BSI cases / No. of catheter days x 1000 = CR-BSI rate per 1000 catheter days
For example: In a given month, you had 100 central lines in your ICU and each stayed there for 4 days. Your total no. of catheter days are 100 X 4 = 400 days. Now you confirmed 15 cases of CR-BSIs. The CR-BSI Rate per 1000 catheter days in your ICU for that given month is 15 / 400 x 1000 = 37.5
On average per IHI report approximately 5.3 catheter-related bloodstream infections occur per 1,000 catheter days in ICUs. Goal should be to keep this number atleast below average for ICU.
Bonus Pearl: As against common belief, application of ointment at catheter insertion site does not decrease the infection rate. Actually application of antibiotic ointments (e.g., bacitracin) to catheter-insertion sites increases the rate of catheter colonization by fungi and promotes the emergence of antibiotic-resistant bacteria.
Related Site: Implement the Central Line Bundle (IHI)
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