Antimicrobial resistance and production of biofilms in clinical isolates of coagulase-negative Staphylococcus strains.

Abstract:

:Coagulase-negative Staphylococcus (CNS) strains are frequently associated with bacteremia and hospital-acquired infections. 293 CNS strains were isolated from 744 samples from a dialysis center in S. M. de Tucumán, Argentina, from hemocultures, catheters and urine and identified as S. epidermidis, S. haemolyticus, S. saprophyticus, S. hominis and S. cohnii. 13 antibiotics were tested for antibacterial resistance. 75% of S. saprophyticus, 66% of S. epidermidis and 57% of S. haemolyticus was resistant to erythromycin and 50% of S. haemolyticus was resistant to ciprofloxacin. OXA resistance was found in 43% of S. haemolyticus. Presence of PBP 2a in OXA-R strains was confirmed with the modified agglutination assay (MRSA) and presence of the mecA gene. 15 strains with intermediate halos for vancomycin and teicoplanin showed a MIC in solid and liquid medium

journal_name

Biol Pharm Bull

authors

de Allori MC,Jure MA,Romero C,de Castillo ME

doi

10.1248/bpb.29.1592

subject

Has Abstract

pub_date

2006-08-01 00:00:00

pages

1592-6

issue

8

eissn

0918-6158

issn

1347-5215

pii

JST.JSTAGE/bpb/29.1592

journal_volume

29

pub_type

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