Abstract
Acinetobacter baumannii, an opportunist bacterium, has been emerging as a major cause of nosocomial infections in the last decades, with a high risk of intra-hospital epidemic transmission. Aim . – This retrospective study had for aim to evaluate the resistance of A. baumannii strains, identified in the Military Instruction Hospital, Rabat, Morocco. Method . – The in vitro activity of betalactamins, imipenem, aminoglycosids, colistin, and fluoroquinolones were determined. During the study period, 147 A. baumannii strains identified from 67 patients. More than 66% of these strains came from the intensive care unit. Results . – Resistances rates to ticarcillin, piperacillin, ticarcillin–clavulanic acid, piperacillin–tazobactam, cefepim, ceftazidim and imipenem were respectively 72.3, 78.7, 44.9, 52.7, 60, 63.3, and 23.8%. Resistances rates to netilmicin, amikacin, tobramycin, and gentamicin were respectively 30, 41, 70.8, and 77.5%. Resistance to ciprofloxacin was 68%. Five strains were resistant to all tested antibiotics except to colistin.
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