Distribution and Drug Resistance of Acinetobacter baumannii in Our Hospital during Jan.1999-Sept.2011

OBJECTIVE:To study distribution and drug resistance dynamics of Acinetobacter baumannii(ABA),and to provide reference for clinical treatment and infection control in our hospital.METHODS:The results of drug sensitivity test of isolated 1 110 strains of ABA were analyzed statistically using WHONET 5.5 software.RESULTS:ABA accounted for 8.7% of all the pathogens.The isolation rate of multi-drug resistant strains was 54.3% in ABA.ABA were mainly obtained from ICU ward and respiratory ward.Sputum and secretion were the most specimens of ABA.The resistance rates to the most antibiotics were very high(40%),except polymyxin B,amikacin,imipenem and cefoperazone/sulbactam.Drug resistance was in a increasing tendency.CONCLUSIONS:The drug resistance of multi-drug resistant ABA is very serious.It is very important to select proper antibiotics according to the result of susceptibility tests.Hospital should strengthen the monitoring of multi-drug resistant ABA to prevent and control the outbreak and prevalence of nosocomial infections.