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  • Title: Rapid antimicrobial susceptibility testing of gram-negative bacilli using Baxter MicroScan rapid fluorogenic panels and autoSCAN-W/A.
    Author: Godsey JH, Bascomb S, Bonnette T, Kangas M, Link K, Richards K, Tomfohrde KM.
    Journal: Pathol Biol (Paris); 1991 May; 39(5):461-5. PubMed ID: 1881675.
    Abstract:
    The MicroScan Rapid Neg MIC/Combo panels and autoSCAN-W/A (Walk Away) system utilize automated fluorescence technology for rapid antimicrobial susceptibility testing of Gram-negative bacilli. In a three site clinical study eleven antimicrobial agents were evaluated by comparing results obtained with 741 clinical isolates, using rapid fluorogenic expanded dilution MIC panels and corresponding frozen microdilution reference panels determined visually. Results for 31%, 40%, 12% and 9% of the isolates were available within 3.5, 4.5, 5.5 and 7.0 hours respectively. Results for 7.3% were not available within that time period. For the seven drugs analyzed using a Minimum Inhibitory Concentration range of dilutions, overall agreement (+/- 1 dilution) was 94%, with 1.5% very major, 0.9% major and 2.5% minor errors. For the four drugs analyzed using a Breakpoint range of dilutions, overall agreement (+/- 1 dilution) was 97%, with two percent very major, and one percent major errors. The MicroScan Rapid Neg MIC system is an accurate and rapid method for same day determination of susceptibility of Gram-negative bacilli.
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