NEW YORK (Sept. 2, 2021) — After years of steady reductions in healthcare-associated infections, significantly higher rates of four out of six routinely tracked infections were observed in U.S. hospitals, according to a Centers for Disease Control and Prevention analysis of data from the National Healthcare Safety Network (NHSN) published today in Infection Control & Hospital Epidemiology, the journal of the Society for Healthcare Epidemiology of America. Increases were attributed to factors related to the COVID-19 pandemic, including more and sicker patients requiring more frequent and longer use of catheters and ventilators as well as staffing and supply challenges.
“COVID-19 created a perfect storm for antibiotic resistance and healthcare-associated infections in healthcare settings. Prior to the pandemic, public health — in partnership with hospitals — successfully drove down these infections for several years across U.S. hospitals,” said Arjun Srinivasan, M.D., CDC’s Associate Director of Healthcare Associated Infection Prevention Programs. “Strengthening infection prevention and control capacities works. This information emphasizes the importance of building stronger, deeper and broader infection control resources throughout healthcare that will not only improve our ability to protect patients in future pandemics but will also improve patient care every day.”
For this analysis, researchers used data collected through NHSN, the nation’s largest healthcare-associated infection surveillance system, which is used by nearly all U.S. hospitals to fulfill local, state, or federal infection reporting requirements.
Major increases were found in 2020 compared to 2019 in four serious infection types: central line-associated bloodstream infections, catheter-associated urinary tract infections, ventilator-associated events, and antibiotic resistant staph infections. The largest increases were bloodstream infections associated with central line catheters that are inserted into large blood vessels to provide medication and other fluids over long periods. Rates of central line infections were 46% to 47% higher in the third and fourth quarters of 2020 compared to 2019.
With dramatic increases in the frequency and duration of ventilator use, rates of ventilator-associated infections increase by 45% in the fourth quarter of 2020 compared to 2019. The CDC analysis found sharp increases in standardized infection rates, indicating that the increases were not simply a reflection of more devices being used.
“Infection control practices in COVID-19 wards often adapted to shortages of personal protective equipment, responded to fear of healthcare personnel, and did not always lend themselves to better infection prevention,” said Tara N. Palmore, M.D., and David K. Henderson, M.D., of the National Institutes of Health, in an editorial that accompanied the study. “The success of the previous several years, with steady declines in rates of these (healthcare-associated) and device-related infections, further accentuated the upswings that occurred in 2020.”
The study found that two other types of infection remained steady or declined during COVID-19. Surgical-site infections rates did not increase as fewer elective surgeries were performed, largely in operating rooms with uninterrupted infection control processes that were separate from COVID wards. In addition, no increase was found in Clostridioides Difficile, or C. diff, a serious bacterial infection that occurs after antibiotic use. The study said lower rates of C. diff may be a result of increased focus on hand hygiene, environmental cleaning, patient isolation, and use of personal protective equipment.
“Basic infection control practices must be hardwired into practice so that they are less vulnerable when the health care system is stressed,” the editorial concluded, “One approach might be to designate clinical staff to be added to the hospital epidemiology team to allow for rapid expansion of effort to support a pandemic response.”
Lindsey M. Weiner-Lastinger, Vaishnavi Pattabiraman, Rebecca Konnor, Prachi R. Patel, Emily Wong, Sunny Y. Xu, Brittany Smith, Jonathan R. Edwards, Margaret A. Dudeck. “The impact of COVID-19 on healthcare-associated infections in 2020; A summary of data reported to the National Healthcare Safety Network.” Infection Control & Hospital Epidemiology. Web (August 25, 2021).
Tara N. Palmore, David K. Henderson. “Healthcare-Associated Infections in the Time of Pandemic COVID-19.” Infection Control & Hospital Epidemiology. Web (August 25, 2021).
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 41st out of 89 Infectious Disease Journals in the latest Web of Knowledge Journal Citation Reports from Thomson Reuters.
The Society for Healthcare Epidemiology of America (SHEA) is a professional society representing more than 2,000 physicians and other healthcare professionals around the world who possess expertise and passion for healthcare epidemiology, infection prevention, and antimicrobial stewardship. The society’s work improves public health by establishing infection-prevention measures and supporting antibiotic stewardship among healthcare providers, hospitals, and health systems. This is accomplished by leading research studies, translating research into clinical practice, developing evidence-based policies, optimizing antibiotic stewardship, and advancing the field of healthcare epidemiology. SHEA and its members strive to improve patient outcomes and create a safer, healthier future for all. Visit SHEA online at http://www.shea-online.org, http://www.facebook.com/SHEApreventingHAIs and @SHEA_Epi.
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Infection Control and Hospital Epidemiology
The impact of COVID-19 on healthcare-associated infections in 2020; A summary of data reported to the National Healthcare Safety Network
ARTICLE PUBLICATION DATE
Source: COVID-19 cited in significant increase in healthcare-associated infections in 2020
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