International Issues In Infection Prevention

30/30 Education Session - 30 minutes

1504 - Understanding Relationships among Healthcare-Associated Infections, Healthcare Surfaces, and Environmental Interventions Using Quantitative Microbial Risk Assessment

Wednesday, June 14
4:30 PM - 5:00 PM
Location: Oregon Convention Center, D 135-136

Healthcare-associated infections (HAIs) remain a significant problem for hospitals because evaluation of their pathways and targeted intervention outcomes relies on expensive and time-consuming epidemiological studies. To reduce costly HAIs while avoiding expensive epidemiological studies, tools of quantitative microbial risk assessment (QMRA) are needed. QMRA utilizes a set of mathematical models aimed at addressing the spread of microbial agents through environmental routes and to characterize adverse outcomes. Similar predictive models have been used by the USDA, FDA, and EPA to set regulatory guidelines for waterborne and foodborne pathogens but have been underutilized in healthcare settings. This presentation will review the current state of the science relative to the use of a QMRA framework in healthcare settings and its application for development of management protocols to reduce HAIs. Further, use of QMRA to determine the most cost-effective environmental control strategies, while assessing synergisms of multiple interventions, will be discussed. With QMRA simulation modeling, scenario variables (e.g., hand hygiene compliance rates or surface hygiene intervention efficacy) are easily modified to evaluate their impact on health outcomes. The QMRA approach can be used to test the efficacy of a variety of infection control strategies, accelerate the speed in which effective interventions are adopted, and stimulate innovative interventions. QMRA is a nontraditional approach to infection control but can help empower healthcare facility personnel to prioritize development of infection risk management strategies.

Learning Objectives:


Kelly Reynolds

Associate Professor
The University of Arizona
Tucson, Arizona

Kelly Reynolds, PhD, is an associate professor in the environmental and occupational health section of the College of Public Health and director of the Environment, Exposure Science and Risk Assessment Center at the University of Arizona. She has over 28 years of experience as a microbiologist in environmental health sciences and directing a research program related to infectious disease transmission, microbiology, quantitative risk assessment, and public health policy and education. She has served as principal investigator on numerous projects and published more than 300 journal articles, book chapters, and professional reports. Her work has been featured in over 50 popular media outlets, including the Wall Street Journal, BuzzFeed, and the Huffington Post. Dr. Reynolds’ expertise involves integrating academic research teams with medical personnel, clinical diagnostic laboratories, patients, industries, and other stakeholders for a multidisciplinary approach toward research, communication, and management efforts in infection prevention.

Presentation(s):

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Meredith Hotchkiss

Regional Manager
Trinity Health
Boise, Idaho

Meredith Hotchkiss has 22 years of experience as a Registered Nurse. She has worked in a variety of settings including Critical Care, the Emergency Department, and Infection Prevention. She has spent the last four years specialing in Environmental Services and is currently the Regional Manager for Trinity Hospitality Services for the Western United States. Trinity Health is a large multi-institutional Catholic health care delivery systems in the nation, serving diverse communities that includes 93 hospitals, as well as 120 continuing care programs that include PACE, senior living facilities, and home care and hospice services in 22 states. Meredith has served as Cochair of the Advisory Council for the Assosication of the Healthcare Environment (AHE). Currently she is a member of the Practice Guidance Committee and the ATO panel. Her educational background includes a BSN and Master's Degree-Nusing of Populations from Boise State University.

Presentation(s):

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1504 - Understanding Relationships among Healthcare-Associated Infections, Healthcare Surfaces, and Environmental Interventions Using Quantitative Microbial Risk Assessment

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