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In “Improving Prone Positioning for Severe ARDS during the COVID-19 Pandemic: An Implementation Mapping Approach,” Meeta Prasad Kerlin, MD, MSCE, an associate professor of medicine in the Perelman School of Medicine at the University of Pennsylvania, and co-authors conducted a multifaceted study to help determine why prone positioning is rarely used as an initial therapeutic strategy for patients with ARDS, as well as ways to address these potential barriers. First, the team conducted semi-structured interviews with a diverse, representative group of 30 clinicians who staffed 30 ICUs within the University of Pennsylvania Health System (Penn) and the University of Michigan Medical Center. They analyzed common themes arising from these interviews, using the Consolidated Framework for Implementation Research (CFIR), a systematic tool to identify factors that might influence intervention implementation and effectiveness.
They then presented their findings to focus groups of ICU leaders at Penn. Input from the focus groups was used to develop a menu of strategies to promote prone positioning implementation using the Expert Recommendations for Implementing Change (ERIC) framework. ERIC provides a structure to help develop implementation strategies for specific practices. The implementation strategies identified through this research were adopted as part of Penn Medicine’s COVID-19 response.
“Just as we use evidence-based approaches to care for patients, we sought to use evidence-based approaches to conduct this project,” said Dr. Kerlin of the Palliative and Advanced Illness Research Center (PAIR) at Penn Medicine. “The advantage of all of these frameworks and the implementation mapping approach are that they provide guides for a complex process that help us to be robust and complete in identifying and assessing barriers and facilitators and in developing strategies with a stakeholder group.”
Based on the researchers’ identification of five broad themes that determine the use of prone positioning, their task force developed five specific implementation strategies. While they rapidly applied elements of these strategies at Penn, their intention in publishing this research was to provide potential ways for other hospitals and health systems to quickly increase the use of prone positioning for severe ARDS, both related and unrelated to COVID-19.
When the 30 interview subjects were asked about the use of prone positioning, 8 (27 percent) reported that their primary ICU used it frequently, 14 (46 percent) reported they used it sometimes and 8 (27 percent) reported using prone positioning rarely or never. A key finding was that knowledge about prone positioning, including patient eligibility, its therapeutic value and the procedure of actually putting patients into a prone position, was integral to the use of this therapeutic strategy. Some study participants believed that prone positioning was a “last ditch” therapy, rather than an initial therapy of choice for severe ARDS. Participants identified a number of ways to effectively educate ICU staff about prone positioning.
Prone positioning requires the assistance of a number of individuals, and many interviewees stated that a lack of adequate staffing created a barrier to enacting this therapy, especially during the night. Many agreed that having a dedicated team available to provide additional staff members when needed would ensure more use of prone positioning.
Interviewed clinicians also revealed that the culture of the ICU team contributed to the use—or lack of use—of prone positioning. Many believed that individuals in key positions such as an ICU medical director or nurse supervisor could change ICU culture, and that team dynamics were also an important factor.
Dr. Kerlin noted, “Prior to a large randomized trial that demonstrated a benefit to early prone positioning, several studies had evaluated it as a late intervention. These early studies were largely negative, and people became aware of this as a therapy that one tries at the end, as a salvage. Many people may still rely on that older belief and culture. In addition, there are those who believe strongly in an alternative therapy, extracorporeal membrane oxygenation (ECMO), and in institutions where ECMO is available, some people mentioned a strong culture around considering that first, even though there is absolutely no evidence that ECMO should come before prone positioning in the sequence of treatments.”
In the first few months of the COVID-19 pandemic, it became evident to Dr. Kerlin and colleagues that there would be a major demand to scale up their practice of prone positioning across the board, and that many clinicians (doctors, nurses, respiratory therapists) who had little or no experience with prone positioning would rapidly need to get comfortable with it. As a result, the health system quickly adopted several of the strategies that were described in the paper.
Penn Medicine has an inter-hospital Critical Care Alliance, a group of ICU leaders from all six of the health system’s hospitals, that led development and dissemination of educational materials (including an educational video and an infographic document) and provided guidance for the hospitals to create prone positioning teams. One of the hospitals already had a clinical protocol and electronic health record (EHR) tools for prone positioning; these were disseminated to the other hospitals. One of the study’s co-authors, Barry Fuchs, MD, had led the development of an ICU dashboard to display real-time quality metrics, and it was modified to include a prone positioning alert, which identifies eligible patients and visually displays whether or not a patient has an order for prone positioning.
“As the COVID-19 census has waned, some of the resources put towards their care, such as some of these strategies, have faded with time,” said Dr. Kerlin. “In our next phase of research, we hope to conduct studies to test the effectiveness of some of these specific strategies in improving the utilization of prone positioning.”
Meeta Prasad Kerlin, MD, MSCE Alex M. Gardner
[email protected] 215-349-8062; [email protected]
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About the Annals of the American Thoracic Society
The AnnalsATS is a peer-reviewed journal published by the American Thoracic Society. The Journal delivers up-to-date and authoritative coverage of adult and pediatric pulmonary and respiratory sleep medicine and adult critical care. The scope of the Journal encompasses content that is applicable to clinical practice, the formative and continuing education of clinical specialists and the advancement of public health. The journal’s impact factor is 4.836.
Editor: Colin Cooke, MD, MS, associate professor in the department of internal medicine at the University of Michigan.
About the American Thoracic Society
Founded in 1905, the American Thoracic Society is the world’s leading medical association dedicated to advancing pulmonary, critical care and sleep medicine. The Society’s more than 16,000 members prevent and fight respiratory disease around the globe through research, education, patient care and advocacy. The ATS publishes four journals, the American Journal of Respiratory and Critical Care Medicine, the American Journal of Respiratory Cell and Molecular Biology, the Annals of the American Thoracic Society and ATS Scholar.
