BACKGROUND: Due to its increased non-susceptibility rates, Klebsiella pneumoniae has emerged as one of the most problematic pathogens. METHODS: The level of resistance to 25 antimicrobials of K. pneumoniae isolates from a teaching hospital in Greece and the evolution trends during 2 decades were examined. RESULTS: A statistically significant increase in non-susceptibility rates was found for almost all antimicrobials examined. During 2008, the isolates presented non-susceptibility rates to aminoglycosides >50% and to quinolones >60%. Nowadays, 1 out of 10 isolates is non-susceptible to colistin. Moreover, the isolates non-susceptible to imipenem were almost doubled between 2007 (29%) and 2008 (50%). Among the imipenem-resistant isolates, 1 out of 4 was also resistant to colistin. CONCLUSION: The effectiveness of carbapenems has been compromised and the increase in resistance to colistin is rapid and steep.
BACKGROUND: Due to its increased non-susceptibility rates, Klebsiella pneumoniae has emerged as one of the most problematic pathogens. METHODS: The level of resistance to 25 antimicrobials of K. pneumoniae isolates from a teaching hospital in Greece and the evolution trends during 2 decades were examined. RESULTS: A statistically significant increase in non-susceptibility rates was found for almost all antimicrobials examined. During 2008, the isolates presented non-susceptibility rates to aminoglycosides >50% and to quinolones >60%. Nowadays, 1 out of 10 isolates is non-susceptible to colistin. Moreover, the isolates non-susceptible to imipenem were almost doubled between 2007 (29%) and 2008 (50%). Among the imipenem-resistant isolates, 1 out of 4 was also resistant to colistin. CONCLUSION: The effectiveness of carbapenems has been compromised and the increase in resistance to colistin is rapid and steep.
Authors: G Samonis; E Koutsounaki; D E Karageorgopoulos; P Mitsikostas; C Kalpadaki; V Bozionelou; I Bompolaki; J Sgouros; V Taktikou; M E Falagas Journal: Eur J Clin Microbiol Infect Dis Date: 2011-10-31 Impact factor: 3.267
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