Study of Klebsiella pneumoniae strains resistant to carbapenems isolated from blood in eastern Liguria

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Giulia Carnesecchi
Silvia Reali *
(*) Corresponding Author:
Silvia Reali | sreali@asl4.liguria.it

Abstract

Objectives. Study of multi-resistant Klebsiella pneumoniae strains isolated from blood cultures collected from in-patients of hospitals located in eastern Liguria, and evaluation of the susceptibility to carbapenems and other antibiotics by E-test and automated methods. Methods. At the Laboratory of Clinical Microbiology, of Lavagna Hospital in eastern Liguria, 397 Klebsiella pneumoniae strains were collected from in-patients from different wards of hospitals sites, during the year 2011. They included 115 isolates from blood cultures (aerobic and anaerobic) and various biological materials. All strains were tested in the laboratory for their susceptibility to antibiotics. Results. Of the 115 strains of Klebsiella pneumoniae collected from blood cultures 59.1% showed resistance to imipenem, ertapenem, meropenem. Conclusions. The data show a high incidence of resistance to carbapenems in Klebsiella pneumoniae isolated from blood cultures.This is important to implement surveillance programs for control and prevention, but also reduce the intake of antibiotics when they are not strictly necessary.

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