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A physician from Florida Atlantic University’s Schmidt College of Medicine and collaborators from the University of Arizona College of Medicine -Tucson and the Indiana University School of Medicine conducted a novel training technique to reinforce the importance of using proper procedures to put on and take off PPE when caring for patients during the pandemic. Researchers were able to vividly demonstrate how aerosol-generating procedures can lead to exposure of the contagion with improper use of PPE.
To detect contamination, Patrick G. Hughes, D.O., lead author, director of FAU’s emergency medicine simulation program and an assistant professor of Integrated Medical Science, FAU’s Schmidt College of Medicine, and collaborators, used a nontoxic fluorescent solution during a PPE training session for health care staff. They placed a highlighter refill in a warm water bath for 15 minutes to create a fluorescent solution, which is only visible under ultraviolet light.
For the experiment, published in the journal Medical Education, the researchers instructed health care staff to put on PPE, which included a cap, gown, surgical gloves, eye protection, face shield and N95 mask. In order to conserve vital PPE, supplies were wiped off and reused for multiple trainings. After health care staff in the study put on their PPE, they went in to a room to care for a simulated patient sprayed down with the invisible simulated contagion. In addition, the researchers added the fluorescent solution to a simulated albuterol nebulizer treatment, which was given to the mannequins during the scenario (not in a negative pressure room).
After completing the simulated case, the health care staff remained in their PPE and were taken to another room, where the lights were turned off prior to removing their PPE. Turning off the lights enabled the identification of widespread simulated contagion on the PPE, both on the gloves and gowns from directly touching the simulated patient and on the face shields and masks from the aerosolized solution. The researchers used a black light flashlight to examine each health care worker and to identify the presence of any fluorescent solution.
Following the flashlight examination, the health care staff completely removed their PPE. Researchers discovered the presence of fluorescent solution on the health care staff’s skin, which represented an exposure to the contagion and indicated that they made an error while putting on or taking off their PPE.
Results from the experiment revealed that the most common error made by the health care staff was contaminating the face or forearms during PPE removal. In contrast, those who put on and took off their PPE according to guidelines had no signs of the fluorescent contagion on their skin or face.
“This training method allows educators and learners to easily visualize any contamination on themselves after they fully remove their personal protective equipment,” said Hughes. “We can make immediate corrections to each individual’s technique based on visual evidence of the exposure.”
By providing health care staff with visual evidence of protection during patient encounters with high-risk aerosol-generating procedures, this innovative training method is helping to inspire trust in their training and PPE.
“This experiment demonstrated that following PPE training improves workplace safety and decreases the risk of transmission,” said Hughes. “This simulation-based approach provides an efficient, low-cost solution that can be implemented in any hospital.”
Hughes also conducted this training technique with FAU’s emergency medicine resident physicians in the medical school’s Clinical Skills Simulation Center, which uses high-tech and high-fidelity patient mannequins in life-like hospital and emergency room settings. The center applies sophisticated simulation and trainer technologies to educate medical students, resident physicians, registered nurses, first responders, certified nursing assistants, home health aides and community health care providers. The center has created models of hospital rooms, patient examination, and emergency rooms for simulated patient treatment. The rooms are fully equipped with hospital beds, gurneys or exam tables, monitors, IV poles, defibrillators, blood pressure cuffs, simulated oxygen ports, otoscopes and ophthalmoscopes and all equipment and supplies required to respond to medical and nursing interventions, including emergencies.
The simulation team uses high fidelity wireless, full body male and female mannequins. The simulators track all actions taken and all pharmacological agents given to the patients. If incorrect drugs or dosages are administered, the high-fidelity patient responds exactly as a human patient would respond. Preceptors and session facilitators provide guidance during the simulations.
Study co-authors are Kate E. Hughes, D.O., emergency medicine, University of Arizona College of Medicine -Tucson; and Rami A. Ahmed, D.O., emergency medicine, Indiana University School of Medicine, Indianapolis.
– FAU –
About the Charles E. Schmidt College of Medicine:
FAU’s Charles E. Schmidt College of Medicine is one of approximately 152 accredited medical schools in the U.S. The college was launched in 2010, when the Florida Board of Governors made a landmark decision authorizing FAU to award the M.D. degree. After receiving approval from the Florida legislature and the governor, it became the 134th allopathic medical school in North America. With more than 70 full and part-time faculty and more than 1,300 affiliate faculty, the college matriculates 64 medical students each year and has been nationally recognized for its innovative curriculum. To further FAU’s commitment to increase much needed medical residency positions in Palm Beach County and to ensure that the region will continue to have an adequate and well-trained physician workforce, the FAU Charles E. Schmidt College of Medicine Consortium for Graduate Medical Education (GME) was formed in fall 2011 with five leading hospitals in Palm Beach County. The Consortium currently has five Accreditation Council for Graduate Medical Education (ACGME) accredited residencies including internal medicine, surgery, emergency medicine, psychiatry, and neurology.
About Florida Atlantic University: Florida Atlantic University, established in 1961, officially opened its doors in 1964 as the fifth public university in Florida. Today, the University, with an annual economic impact of $6.3 billion, serves more than 30,000 undergraduate and graduate students at sites throughout its six-county service region in southeast Florida. FAU’s world-class teaching and research faculty serves students through 10 colleges: the Dorothy F. Schmidt College of Arts and Letters, the College of Business, the College for Design and Social Inquiry, the College of Education, the College of Engineering and Computer Science, the Graduate College, the Harriet L. Wilkes Honors College, the Charles E. Schmidt College of Medicine, the Christine E. Lynn College of Nursing and the Charles E. Schmidt College of Science. FAU is ranked as a High Research Activity institution by the Carnegie Foundation for the Advancement of Teaching. The University is placing special focus on the rapid development of critical areas that form the basis of its strategic plan: Healthy aging, biotech, coastal and marine issues, neuroscience, regenerative medicine, informatics, lifespan and the environment. These areas provide opportunities for faculty and students to build upon FAU’s existing strengths in research and scholarship. For more information, visit fau.edu.
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