Publication:
High MICs for Vancomycin and Daptomycin and Complicated Catheter-Related Bloodstream Infections with Methicillin-Sensitive Staphylococcus aureus.

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Date

2016-06

Authors

San-Juan, Rafael
Viedma, Esther
Chaves, Fernando
Lalueza, Antonio
Fortún, Jesús
Loza, Elena
Pujol, Miquel
Ardanuy, Carmen
Morales, Isabel
de Cueto, Marina

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Centers for Disease Control and Prevention
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Abstract

We investigated the prognostic role of high MICs for antistaphylococcal agents in patients with methicillin-sensitive Staphylococcus aureus catheter-related bloodstream infection (MSSA CRBSI). We prospectively reviewed 83 episodes from 5 centers in Spain during April 2011-June 2014 that had optimized clinical management and analyzed the relationship between E-test MICs for vancomycin, daptomycin, oxacillin, and linezolid and development of complicated bacteremia by using multivariate analysis. Complicated MSSA CRBSI occurred in 26 (31.3%) patients; MICs for vancomycin and daptomycin were higher in these patients (optimal cutoff values for predictive accuracy = 1.5 μg/mL and 0.5 μg/mL). High MICs for vancomycin (hazard ratio 2.4, 95% CI 1.2-5.5) and daptomycin (hazard ratio 2.4, 95% CI 1.1-5.9) were independent risk factors for development of complicated MSSA CRBSI. Our data suggest that patients with MSSA CRBSI caused by strains that have high MICs for vancomycin or daptomycin are at increased risk for complications.

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MeSH Terms

Medical Subject Headings::Diseases::Bacterial Infections and Mycoses::Bacterial Infections::Bacteremia
Medical Subject Headings::Diseases::Bacterial Infections and Mycoses::Infection::Catheter-Related Infections
Medical Subject Headings::Chemicals and Drugs::Polycyclic Compounds::Macrocyclic Compounds::Peptides, Cyclic::Daptomycin
Medical Subject Headings::Organisms::Eukaryota::Animals::Chordata::Vertebrates::Mammals::Primates::Haplorhini::Catarrhini::Hominidae::Humans
Medical Subject Headings::Chemicals and Drugs::Organic Chemicals::Amides::Lactams::beta-Lactams::Penicillins::Methicillin
Medical Subject Headings::Analytical, Diagnostic and Therapeutic Techniques and Equipment::Diagnosis::Diagnostic Techniques and Procedures::Clinical Laboratory Techniques::Microbiological Techniques::Microbial Sensitivity Tests
Medical Subject Headings::Analytical, Diagnostic and Therapeutic Techniques and Equipment::Investigative Techniques::Epidemiologic Methods::Statistics as Topic::Analysis of Variance::Multivariate Analysis
Medical Subject Headings::Chemicals and Drugs::Organic Chemicals::Amides::Lactams::beta-Lactams::Penicillins::Oxacillin
Medical Subject Headings::Analytical, Diagnostic and Therapeutic Techniques and Equipment::Investigative Techniques::Epidemiologic Methods::Statistics as Topic::Probability::Risk::Risk Factors
Medical Subject Headings::Geographicals::Geographic Locations::Europe::Spain
Medical Subject Headings::Diseases::Bacterial Infections and Mycoses::Bacterial Infections::Gram-Positive Bacterial Infections::Staphylococcal Infections
Medical Subject Headings::Organisms::Bacteria::Endospore-Forming Bacteria::Gram-Positive Endospore-Forming Bacteria::Gram-Positive Endospore-Forming Rods::Staphylococcaceae::Staphylococcus::Staphylococcus aureus
Medical Subject Headings::Chemicals and Drugs::Carbohydrates::Glycoconjugates::Glycopeptides::Vancomycin

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Keywords

CRBI, MIC, MSSA, bacteria, Catheter-related bloodstream infection, Complicated bacteremia, Daptomycin, Methicillin-sensitive Staphylococcus aureus, Septic thrombophlebitis, Vancomycin, Bacteriemia, Infecciones relacionadas con catéteres, Daptomicina, Meticilina, Análisis multivariante, Oxacilina, Vancomicina

Citation

San-Juan R, Viedma E, Chaves F, Lalueza A, Fortún J, Loza E, et al. High MICs for Vancomycin and Daptomycin and Complicated Catheter-Related Bloodstream Infections with Methicillin-Sensitive Staphylococcus aureus. Emerging Infect Dis. 2016; 22(6):1057-66