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NHSN Annual Update:
Antimicrobial-Resistant Pathogens Associated With Healthcare-Associated Infections

Annual Summary of Data Reported to the National Healthcare Safety Network at the Centers for Disease Control and Prevention, 2006–2007

Antimicrobial-resistant pathogens that cause healthcare-associated infections (HAIs) pose an ongoing and increasing challenge to hospitals, both in the clinical treatment of patients and in the prevention of the cross-transmission of these problematic pathogens.  Describing the magnitude of the problem with respect to these antimicrobial-resistant pathogens is challenging, because the levels of antimicrobial resistance vary for different types of healthcare facilities and for different geographic areas, and some resistance phenotypes are difficult for laboratories to detect. However, the findings from such attempts may help the infection control and public health communities target problems and utilize resources more efficiently.

In the News

Featured in The Times
"Ireland 'losing war' on superbug" February 15, 2009
Challenges of Implementing National Guidelines for the Control and Prevention of Methicillin‐Resistant Staphylococcus aureus Colonization or Infection in Acute Care Hospitals in the Republic of Ireland
Fidelma Fitzpatrick, MD; Fiona Roche, PhD; Robert Cunney, MB; Hilary Humphreys, MD; Strategy for the Control of Antimicrobial Resistance in Ireland Infection Control Subcommittee
The research, published in Infection Control and Hospital Epidemiology, found one third of hospitals did not have a written policy on antibiotic use, and only 35% had an antibiotic stewardship programme.

November 2007

Volume 28, Number 11
Infect Control Hosp Epidemiol 2007;28:1314–1317
© 2007 by The Society for Healthcare Epidemiology of America. All rights reserved.
0899-823X/2007/2811-0017$15.00
DOI: 10.1086/520738
Concise Communication

Prevalence of and Risk Factors for Methicillin‐Resistant Staphylococcus aureus Carriage at Hospital Admission

Irma Casas, MD;

Nieves Sopena, MD, PhD;

Maria Esteve, MD, PhD;

Maria Dolores Quesada, MD;

Isabel Andrés, MD;

Lourdes Matas, MD, PhD;

Silvia Blanco, Biol;

Maria Luisa Pedro‐Botet, MD, PhD;

Montse Caraballo, MD, PhD;

Vicente Ausina, MD, PhD;

Miquel Sabrià, MD, PhD

From the Department of Preventive Medicine (I.C., M.E.), the Infectious Diseases Unit, Internal Medicine Department (N.S., M.S., L.P.‐B.), Infection Control Department (I.A., M.C.), and the Microbiology Department (M.D.Q., S.B., L.M., V.A.), Hospital Germans Trias i Pujol, Barcelona, Spain.

To determine the prevalence of and risk factors for methicillin‐resistant Staphylococcus aureus (MRSA) carriage at the time of admission to our hospital, we screened the medical records of 1,128 patients for demographic and clinical data. The antimicrobial resistance pattern and genotype of MRSA isolates were studied. The prevalence of MRSA carriage at hospital admission was 1.4%. Older patients and patients previously admitted to healthcare centers were the most likely to have MRSA carriage at admission.

Received February 5, 2007; accepted June 5, 2007; electronically published September 26, 2007.

Address reprint requests to Nieves Sopena, MD, PhD, Infectious Diseases Unit. Hospital Germans Trias i Pujol. C/ Canyet, s/n. CP 08916 Barcelona, Spain ().
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