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In whole, 56 patients were included. Amidst identified microorganisms were fungus (4,7%) and bacteria (95,3%) to which Gram negative bacilli represented 72,1% (n=44), Gram positive cocci 6,4% (n=10), Gram positive bacilli 8,2% (n=5) and Gram negative cocci 3,3% (n=2). Among these bacterias, Pseudomonas aeruginosa and Proteus sp were predominant, with respectively 41% (n=25), 23% (n=14). However, three cases of S. aureus reported, six with negative coagulase Staphylococcus, one with Escherichia coli, one with Klebsiella sp, one with Haemophilus sp, two cases with Neisseria sp and four cases with Corynebacterium sp. Two types of cultures were noticed, one of them monomorphic (91,1%, n=51) and the other polymorphic (8,9%, n=5) to which 3 associations of P. aeruginosa-Proteus sp, 1 association of P. aeruginosa- coagulase negative Staphylococcus and 1 association of P. aeruginosa- E. coli. No resistance to ciprofloxacin was observed with Pseudomonas, Neisseria sp, Haemophilus, and enterobacteria except for E. coli. No resistance to rifampicin was observed with S. aureus. However, the sensitivity of S. aureus to ciprofloxacin decreased (one bacterium out of three).
The use of rifampicin or fluoroquinolones should be based on the type of ear infections,
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