Resensitization to colistin results in rapid and stable recovery of adherence, serum resistance and ompW in Acinetobacter baumannii
BACKGROUND: Colistin resistance in Acinetobacter baumannii is an emerging problem that limits antimicrobial therapy options.MATERIALS & METHODS: We isolated two pairs of colistin susceptible and colistin-resistant A. baumannii (K1007/K1006 and K408/K409) from two patients diagnosed with carbapenem-resistant A. baumannii infection. Colistin susceptible isolates were exposed to in vitro colistin