Is it acceptable to use Mueller Hinton Sheep Blood for susceptibility testing on the day it expires?
QC Susceptibility Testing on a New Antibiotic. We routinely use MicroScan panels for our susceptibility testing. I am being asked by one of our physicians to include a new “study” antibiotic on selected respiratory isolates. This new antibiotic is not on any Microscan panel and will appear on the patient’s medical record. The study protocol suggests using E-test for this new antibiotic. What would be the appropriate QC protocol for such a situation? I was thinking of choosing the one (of five) QC organism that is closeset in identification to the patient isolate and running one of the five QC organisms each day of use. I suppose if I had two patient isolates, a Staph and a Pneumo to test on a given day, I would have to run both the Staph and Pneumo QC organisms on that day because of the different MH media requirements. Does this plan sound right?
