Is Your Kitchen Making You Sick? University Hospital in Basel Study
4/17/2014 8:39:06 AM
CHICAGO (April 8, 2014) – After handling raw poultry, hands of food preparers and cutting boards remain a source of transmission for multi-drug resistant bacteria, such as E. coli that produce extended-spectrum beta-lactamases (ESBLs). The study of household and hospital kitchens was published in the May issue of Infection Control and Hospital Epidemiology, the journal of the Society for Healthcare Epidemiology of America.
"The spread of multi-drug resistant bacteria has been associated with the hospital setting, but these findings suggest that transmission of drug-resistant E. coli occurs both in the hospital and households," said Andreas Widmer, MD, lead author of the study. "Our findings emphasize the importance of hand hygiene, not only after handling raw poultry, but also after contact with cutting boards used in poultry preparation."
Researchers from University Hospital in Basel, Switzerland collected and examined 298 cutting boards (154 from University Hospital and 144 from private households) after preparation of various meats (i.e., poultry, beef/veal, pork, lamb, game and fish) and before being cleaned. They also collected 20 pairs of gloves from hospital kitchen employees after they handled raw poultry. These samples were tested for the presence of ESBL-producing Enterobacteriaceae, a family of gram-negative bacteria that includes Salmonella, E. coli and Klebsiella.
In testing the cutting boards, researchers found that 6.5 percent of hospital cutting boards used in preparation of poultry were contaminated with ESBL-producing E. coli. For boards used in households, researchers found ESBL-producing E. coli on 3.5 percent of these surfaces. They also found that 50 percent of the hospital kitchen gloves were contaminated with this drug-resistant E. coli.
The researchers found that none of the cutting boards used in preparing beef/veal, pork, lamb, game or fish were contaminated with any ESBL-producing bacteria. They also found that the meat's country of origin did not play a factor in the presence of bacteria on any of the surfaces.
Sarah Tschudin-Sutter, M.D.; MSc, Reno Frei M.D.; Roger Stephan, DVM, Herbert Hächler, PhD; Danica Nogarth, Andreas F. Widmer M.D., MSc. "Extended-spectrum beta-lactamase (ESBL)-producing Enterobacteriaceae – a threat from the kitchen." Infection Control and Hospital Epidemiology (May 2014).
Published through a partnership between the Society for Healthcare Epidemiology of America and The University of Chicago Press, Infection Control and Hospital Epidemiology provides original, peer-reviewed scientific articles for anyone involved with an infection control or epidemiology program in a hospital or healthcare facility. ICHE is ranked 13 out of 158 journals in its discipline in the latest Web of Knowledge Journal Citation Reports from Thomson Reuters.
SHEA is a professional society representing more than 2,000 physicians and other healthcare professionals globally with expertise in and passion for healthcare epidemiology and infection prevention. SHEA's mission is to prevent and control healthcare-associated infections and advance the field of healthcare epidemiology. The society promotes science and research, develops expert guidelines and guidance for healthcare workers, provides high-quality education, promotes antimicrobial stewardship, encourages transparency in public reporting related to HAIs, works to ensure a safe healthcare environment, and facilitates the exchange of knowledge. SHEA upholds the value and critical contributions of healthcare epidemiology to improving patient care and healthcare worker safety in all healthcare settings. Visit SHEA online at www.shea-online.org, www.facebook.com/SHEApreventingHAIs and @SHEA_Epi.
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