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How Physician Assistants and Nurse Practitioners Perform in Emergency Departments

By Ken Milne, MD | on January 22, 2021 | 2 Comments
Skeptics' Guide to EM
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Pascal Fossier / Science Source
Pascal Fossier / Science Source

The Case 

Community emergency departments have seen volumes increase over the years. Previously, departments responded to increases in patient volume by adding more physician coverage. Lately, hospital administrations have looked to advanced practice providers (APPs) such as physician assistants (PAs) or nurse practitioners (NPs) to meet volume demands. Your hospital is considering hiring some APPs. 

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Explore This Issue
ACEP Now: Vol 40 – No 01 – January 2021

Clinical Question

What is the impact of APP staffing on ED productivity, flow, and safety?

Background

There has been an increased use of APPs in staffing U.S. emergency departments in recent years, justified in part on economic considerations. Advocates claim APPs can be just as productive as physicians and provide safe ED care while costing less money. This financial calculation could work if APP productivities are similar enough to that of physicians to offset differentials in billing rates and compensation. However, there are few data comparing productivity, safety, flow, or patient experiences in emergency medicine.

ACEP has published a number of documents discussing various issues around APPs in the emergency department. Recent concerns about postgraduate training of APPs in the emergency departments led to a joint statement issued in September 2020 by multiple organizations, including ACEP, that said the terms “resident,” “residency,” “fellow,” and “fellowship”​ in a medical setting must be limited to postgraduate clinical training of medical school physician graduates within GME training programs.1 

The debate is only heating up. 

Reference: Pines JM, Zocchi MS, Ritsema T, et al. The impact of advanced practice provider staffing on emergency department care: productivity, flow, safety, and experience. Acad Emerg Med. 2020;27(11):1089-1099.

  • Population: 13 million ED visits from 94 hospitals in 19 states from one national emergency medicine group 
  • Exposure: Proportion of total clinician hours staffed by APPs in a 24-hour period at a given emergency department
  • Comparison: Emergency physician staffing
  • Outcomes:
    • Primary Outcome: Productivity (patients/hour, relative value units [RVUs]/hour, RVUs/visit, RVUs/relative salary for an hour)
    • Secondary Outcomes: Proportion of 72-hour returns and proportion of 72-hour returns resulting in admission, length of stay (LOS), and left without completion of treatment (LWOT)

Authors’ Conclusions

“In this group, APPs treated less complex visits and half as many patients/hour compared to physicians. Higher APP coverage allowed physicians to treat higher-acuity cases. We found no economies of scale for APP coverage, suggesting that increasing APP staffing may not lower staffing costs. However, there were also no adverse observed effects of APP coverage on ED flow, clinical safety, or patient experience, suggesting little risk of increased APP coverage on clinical care delivery.” 

Pages: 1 2 | Single Page

Topics: Care TeamNurse PractitionersPhysician AssistantsPractice Management

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About the Author

Ken Milne, MD

Ken Milne, MD, is chief of emergency medicine and chief of staff at South Huron Hospital, Ontario, Canada. He is on the Best Evidence in Emergency Medicine faculty and is creator of the knowledge translation project the Skeptics Guide to Emergency Medicine.

View this author's posts »

2 Responses to “How Physician Assistants and Nurse Practitioners Perform in Emergency Departments”

  1. January 31, 2021

    George Hansen Reply

    In our small community hospital ER, we have single doc coverage with 8 hr APP coverage. We have fairly high medical acuity, serving an aged population and multiple nursing homes. While the APPs are there, they see more patients/hr than the docs. They see simple injuries, minor medical cases, abscesses, etc. The doc is tied down with more complicated cases, as well as going over many of the APP cases. I don’t understand how the APPs in the study, seeing lower acuity patients, are slower than the docs.
    Not uncommonly, our APPs end up seeing more complex cases, when they arrive in bunches too fast for the doc to keep up. I end up doing a focused H&P on these patients, as I don’t believe that an APP should be the only provider seeing them. They tell me that I am the only doc in our group who does this. Many of our APPs are in their first year out of training.
    I trained in Family Medicine, completing my residency in 1991, grandfathering in to ACEP, certifying through BCEM. For 3 decades, I have been told that my training was insufficient for ER practice, yet we embrace APPs who have a fraction of our education and no formal residency at all.
    Is there a published “miss rate” for MI, PE, dissection, sepsis, surgical abdomen, etc? It’s these infrequent events where our education and training might be vital–or not.

  2. February 1, 2021

    Ken Milne Reply

    Thanks for the comments and sharing your experience.
    Some good questions that I will share with the lead author Dr. Pines to see if he will respond.
    Did you see the latest study by him on APPs?
    https://onlinelibrary.wiley.com/doi/10.1111/acem.14161
    Ken

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