Surface Biofilm: Disinfection Challenges and New Approaches
Marcia Ryder PhD MS RN
Division of Infectious Diseases | University of Louisville
Biofilms are the most common mechanism of growth for microorganisms and are a key survival factor in harsh environments. Bacteria encased in biofilms have been shown to be 1500 times less susceptible to disinfectants than free living bacteria Biofilms are ubiquitous in the healthcare environment, however, the risk in terms of infection transmission by biofilms within the environment may be under appreciated. Recent studies indicate dry surface biofilms containing MDROs are found on hospital surfaces despite terminal cleaning with commonly used disinfectant methods. Although biofilms are a well-documented cause of infection, they receive only a degree of the attention they clearly merit. Recent data indicate dry surface biofilms containing MDROs are found on ICU surfaces despite terminal cleaning with commonly used disinfectant methods. New methods and technology provide opportunity to impact biofilms which augment HAI rates.
Learning Objectives:
- The formation of biofilm as the strategy for microbial survival in abiotic and biologic environments
- Prevalence of biofilms to protect bacterial pathogens in the healthcare settings
- The challenge of surface disinfectants to kill pathogens in the hospital environment.
- New approaches to overcome the biofilm challenges in hospitals
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February 4, 2020 Webinar:
About the Speaker:
Marcia Ryder’s extensive experience in nursing includes positions as Clinical Director of a Special Care Unit and a Cardiovascular/Thoracic Unit, Clinical Nurse Specialist in Nutrition Support, and Director of Nursing in Home Infusion. Dr. Ryder received her nursing diploma from the Western Pennsylvania Hospital School of Nursing in Pittsburgh, Pa. and her Bachelor’s, Master’s (critical care clinical nurse specialist), and Doctoral degrees from the University of California, San Francisco.
Dr. Ryder is currently an independent collaborative researcher and consultant in medical biofilm/healthcare related infections. She is a nationally and internationally recognized expert in the use and management of vascular access devices. She has been an invited speaker to state, national, and international conferences and has authored many abstracts, articles, and book chapters.
She has served as past-president of the Association for Vascular Access (AVA), past chair of APIC’s Scientific Research Council, a former member of the FDA’s Central Venous Catheter Working Group and represented AVA on the Technical Advisory Panel of the international “Joint Commission CLABSI project. Dr. Ryder was honored as the recipient of the “2007 Educator of the Year” awarded by Infection Control Today and the 2017 Suzanne Herbst Award for Excellence in Vascular Access awarded by AVA.
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