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High rates of MRSA transmission found between nursing home residents, healthcare workers
Study finds transmission rates high in daily activities previously considered low-risk
NEW YORK, USA (May 28, 2015) – Healthcare workers frequently contaminate their gloves and gowns during every day care of nursing homes residents with drug resistant Staphylococcus aureus or MRSA, according to a new study. The findings were published online today in Infection Control & Hospital Epidemiology, the journal of the Society for Healthcare Epidemiology of America.
"One in four nursing home residents harbor MRSA in some settings. We know that healthcare workers serve as a vector for MRSA transmission from one resident to another in settings such as nursing homes," said Mary-Claire Roghmann, M.D., lead author of the study. "The use of barrier precautions, such as gowns and gloves, limit this transmission, but guidance on when to use them is limited. The goal of our research was to determine the most important times to wear gowns and gloves in nursing homes by measuring the risk of MRSA contamination during different types of care."
Researchers conducted a prospective observational study at 13 community-based nursing homes in Maryland and Michigan, evaluating 403 residents for MRSA colonization and then assessing whether interactions with healthcare workers lead to contamination of their gowns and gloves by MRSA bacteria. The study found 28 percent of residents (113 out of 403) harbored MRSA. Glove contamination was higher than gown contamination (24 percent vs. 14 percent) reinforcing the importance of hand hygiene between residents to prevent transmission of MRSA.
High-risk activities linked to glove or gown contamination included dressing residents, transferring residents, providing hygiene such as brushing teeth or combing hair, and changing linens and diapers. Healthcare workers do not wear gowns during much of this care because they don’t anticipate that their clothing will come into contact with body secretions during this care.
"This research is particularly important since residents in these communities require a lot of assistance from their healthcare workers. New MRSA acquisition in nursing homes is substantial. Our study, for the first time, defines the type of care that increases the risk of transmission and suggests modifications to the current indications of gown and glove use," said Roghmann.
Mary-Claire Roghmann, Jennifer Kristie Johnson, John D Sorkin, Patricia Langenberg, Alison Lydecker, Brian Sorace, Lauren Levy, Lona Mody. "Transmission of MRSA to Healthcare Personnel Gowns and Gloves during Care of Nursing Home Residents." Infection Control & Hospital Epidemiology. Web (May 26, 2015)
Published through a partnership between the Society for Healthcare Epidemiology of America and Cambridge University Press, Infection Control & 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 13th 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 physicians and other healthcare professionals around the world with expertise and passion in healthcare epidemiology, infection prevention, and antimicrobial stewardship. SHEA’s mission is to prevent and control healthcare-associated infections, improve the use of antibiotics in healthcare settings, and advance the field of healthcare epidemiology. The society leads this specialty by promoting science and research, advocating for effective policies, providing high-quality education and training, and developing appropriate guidelines and guidance in practice. SHEA upholds the value and critical contributions of healthcare epidemiology and improved antibiotic use to improve patient care and healthcare worker safety in all healthcare settings. Visit SHEA online at http://www.shea-online.org, http://www.facebook.com/SHEApreventingHAIs and @SHEA_Epi
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Society for Healthcare Epidemiology of America, 28.05.2015 (tB).