Use Of Physician Assistants Research Articles

Modernizing the PA and NP workforce: Lessons learned from the COVID-19 pandemic.

The COVID-19 pandemic has been exceptionally disruptive to healthcare delivery, exposing the strengths and weaknesses of our healthcare system. Though systems will continue to improvise in the short term to provide essential patient care, thoughtful consideration should be given to a long-term approach to improve healthcare delivery. Policy makers, legislators, and healthcare system leaders have the opportunity to reflect on lessons learned during this time and update outdated and detrimental restrictions affecting healthcare providers who have been vital to the pandemic response. This article focuses on lessons learned about the use of physician assistants and NPs, who have been readily deployed during this time.

Comparing physicians and PAs as solo providers in a rural ED: A pilot study.

To examine the use of physician assistants (PAs) as solo providers in rural EDs. This study compared ED metrics and patient characteristics between physicians and PAs at a critical access hospital in Arizona. Nearly 26,000 patient encounters from the ED of the host institution were analyzed. Although minor variances in metrics were appreciated, transfers, 72-hour returns, and death rates were all similar among provider types. Results from this work do not demonstrate a clinically meaningful difference among ED metrics between physicians and PAs. Results from this study suggest that an appropriately trained and experienced PA can meet commonly used metrics in the care of patients presenting to this rural ED.

Influence of Telemedicine-first Intervention on Patient Visit Choice, Postvisit Care, and Patient Satisfaction in Gastroenterology

Influence of Telemedicine-first Intervention on Patient Visit Choice, Postvisit Care, and Patient Satisfaction in Gastroenterology

Community health centers at the crossroads: growth and staffing needs.

ABSTRACTIn response to increased demand for primary care services under the Affordable Care Act, the national network of community health centers (CHCs) will play an increasingly prominent role. CHCs have a broad staffing model that includes extensive use of physician assistants (PAs), nurse practitioners (NPs), and certified nurse midwives (CNMs). Between 2007 and 2012, the number of PAs, NPs, and CNMs at CHCs increased by 61%, compared with 31% for physicians. However, several policy and payment issues jeopardize CHCs' ability to expand their workforce and meet the current and rising demand for care.

Payment source and provider type in the US healthcare system.

Greater use of physician assistants (PAs) and nurse practitioners (NPs) to meet growing demand for healthcare in the United States is an increasingly common strategy to improve access to care and control costs. Evidence suggests that payment for services differs depending on the type of provider. This study sought to determine if the source of payment for a medical visit varies based on whether care is provided by a physician, PA, or NP. Data from the National Hospital Ambulatory Medical Care Survey (2006 through 2010) were analyzed. Physicians were proportionally more likely than NPs or PAs to provide care for medical visits compensated by private insurance or Medicare. Conversely, PAs and NPs were more likely to serve as providers of care for services with other payment sources such as Medicaid and out-of-pocket.

The contributions of physician assistants in primary care systems.

Shortages of primary care doctors are occurring globally; one means of meeting this demand has been the use of physician assistants (PAs). Introduced in the United States in the late 1960s to address doctor shortages, the PA movement has grown to over 75,000 providers in 2011 and spread to Australia, Canada, Great Britain, the Netherlands, Germany, Ghana and South Africa. A purposeful literature review was undertaken to assess the contribution of PAs to primary care systems. Contemporary studies suggest that PAs can contribute to the successful attainment of primary care functions, particularly the provision of comprehensive care, accessibility and accountability. Employing PAs seems a reasonable strategy for providing primary care for diverse populations.

Health Services Utilization, Satisfaction, and Attachment to a Regular Source of Care among Participants in An Urban Health Provider Alliance

This study examines the effect of a provider alliance on service utilization, satisfaction , self efficacy, and attachment to a regular source of care for participating low income urban children and their families. the use of Physician Assistants and community health workers to expand community outreach, primary care services, pediatric sub-specialty care, and service coordination within and between care settings improved health services utilization, satisfaction with health services, parental self efficacy in navigating the health care system for their children, and service convenience for an at-risk population. Also, the use of Physician Assistants to provide pediatric sub-specialty services did not have a negative effect on parental satisfaction with a child's care. Parents were slightly more satisfied with services received from a Physician Assistant in comparison with the physician sub- specialists in cardiology and nephrology clinics.

A comparison of outcomes of general medical inpatient care provided by a hospitalist‐physician assistant model vs a traditional resident‐based model

Residency reform in the form of work hour restrictions has forced academic medical centers to develop alternate models of care to provide inpatient care. One such model is the use of physician assistants (PAs) with hospitalists. However, these models of care have not been widely evaluated. To compare the outcomes of inpatient care provided by a hospitalist-PA (H-PA) model with the traditional resident based model. We conducted a retrospective cohort study of 9681 general medical (GM) hospitalizations between January 2005 and December 2006 using a hospital administrative database. We used multivariable mixed models to adjust for a wide variety of potential confounders and account for multiple patient visits to the hospital to compare the outcomes of 2171 hospitalizations to H-PA teams with those of 7510 hospitalizations to resident teams (RES). Length of stay (LOS), charges, readmission within 7, 14, and 30 days and inpatient mortality. Inpatient care provided by H-PA teams was associated with a 6.73% longer LOS (P = 0.005) but charges, risk of readmission at 7, 14, and 30 days and inpatient mortality were similar to resident-based teams. The increase in LOS was dependent on the time of admission of the patients. H-PA team-based GM inpatient care was associated with a higher LOS but similar charges, readmission rates, and inpatient mortality to traditional resident-based teams, a finding that persisted in sensitivity analyses.

Use of Physician Assistants in Mohs Micrographic Surgery

An increasing number of dermatologists are using physician assistants (PAs) in their practices. A lack of information regarding the use of PAs in Mohs micrographic surgery (MMS) served as the driving force for this research. To quantify the extent to which Mohs surgeons are using PAs in MMS. Five hundred seventy-six fellows of the American College of Mohs Surgery were sent surveys in the mail in January 2009. The survey was focused on what percentage of Mohs surgeons are using PAs and how those PAs are being used. One hundred forty-three of the 576 surgeons surveyed (24.8%) responded; 43 of those (30.1%) currently employed one or more PAs; and of those 43, 15 (34.9%) reported that PAs in their practice perform preoperative consults, 25 (58.1%) reported that PAs perform postoperative follow-up, 18 (41.9%) reported that PAs were participating in some aspect of repairs, and 35 (81.4%) reported that PAs were seeing general dermatology patients. Mohs surgeons are using PAs for perioperative care, as well as seeing general dermatology patients. A smaller percentage of Mohs surgeons are using PAs to perform portions of MMS or the consequent repairs.

Physician Assistant Perspective on the ASCO Workforce Study Regarding the Use of Physician Assistants and Nurse Practitioners.

A workforce study by the Association of American Medical Colleges (AAMC) predicted a shortage of 2,350 to 3,800 oncologists, or 9.5 to 15 million visits, by 2020. Proposed solutions included use of physician assistants (PAs) and nurse practitioners (NPs). Although 56% of the oncologists reported working with PAs/NPs, the AAMC did not survey PAs or NPs. This article uses additional data to examine the role of PAs/NPs in the oncology workforce. American Academy of Physician Assistant (AAPA) census data and a study of PAs in oncology were used to examine these workforce issues. The AAMC reported oncologists working with PAs/NPs had increased productivity compared with physicians who did not, primarily when the PAs/NPs performed advanced roles or worked in private practice. Visits handled by PAs/NPs themselves were not reported. According to the AAPA, PAs in the outpatient setting saw an average of 62.4 patients per week (inpatient PAs saw 62.2 patients per week), supporting the AAMC report that 70% to 92% of oncologists experienced increased efficiency with PAs/NPs. Whereas the AAMC reported that 46.4% of oncologists used PAs/NPs in advanced roles, Ross et al reported that more than 70% of PAs wrote chemotherapy orders (most requiring physician co-signature); more than 80% wrote prescriptions, including for controlled substances; and more than half performed invasive procedures. The AAMC reported that 13% of PAs/NPs performed research activities, and the AAPA reported that 60.5% of medical oncology PAs participated in clinical trials. The AAMC workforce study inadequately examined the role of PAs/NPs in oncology. Given the available data in PA literature, the contribution of PAs/NPs to the workforce was substantially underestimated. In examining workforce issues, understanding opportunities for increasing collaborative practice requires the input of PAs/NPs.

Use of midlevel providers in US EDs, 1993 to 2005: implications for the workforce

Objective The aim of the study was to evaluate use of physician assistants (PAs) and nurse practitioners (NPs) in US emergency departments (EDs). Methods We analyzed visits from the 1993 to 2005 National Hospital Ambulatory Medical Care Survey, seen by midlevel provider (MLP), and compared characteristics of MLP visits to those seen by physicians only. Results From 1993 to 2005, 5.2% (95% CI, 4.6%-5.8%) of US ED visits were seen by PAs and 1.7% (95% CI, 1.5%-2.0%) by NPs. During the study period, PA visits rose from 2.9% to 9.1%, whereas NP visits rose from 1.1% to 3.8% (both P trend < .001). Compared to physician only visits, those seen only by MLPs arrived by ambulance less frequently (6.0% vs 15%), had lower urgent acuity (37% vs 59%), and were admitted less often (3.0% vs 13%). Conclusions Midlevel provider use has increased in US EDs. Their involvement in some urgent visits and those requiring admission suggests that the role of MLPs extends beyond minor presentations.

Workweek Restrictions and Specialty-Trained Physician Assistants: Potential Opportunities

The increasing use of physician assistants (PAs) in surgical settings is part of a continuing trend of PA specialization, and many graduate medical education (GME) programs in teaching hospitals have hired PAs to augment physician housestaff duties. PAs have been shown to be effective in these roles by contributing to the continuity of care and enhancement of resident educational experiences. One strategy for educating and training specialty PAs to help augment perioperative surgical workforce needs for acute and critically ill patients is PA postgraduate training programs, which are typically offered as formal 1 year experiences following entry-level PA education and based on the GME model. Many academic health centers (AHCs) are well positioned to host such educational programs by collaborating with PA educators to develop additional surgical postgraduate training programs. We propose a model to produce an increased supply of specialty-trained PAs to serve as permanent hospital-based clinicians who could enable surgical residency training programs to meet critical resident education and operative experience needs by providing team-oriented and physician-supervised perioperative care.

Physician Assistants and Title VII Support

Federal support through Title VII, Section 747 has played an important role in promoting the use of physician assistants (PAs) in primary care and in the growth and institutionalization of PA educational programs in the United States. Federal workforce policy approaches include PAs in strategies to (1) increase the supply of generalist providers, (2) better balance the distribution of providers to rural and medically underserved areas, and (3) improve the diversity of the health workforce. Evidence from several decades shows that, likely because of Title VII program incentives, PAs have met expectations in terms of practicing in primary care specialties and serving in rural and medically underserved areas. Yet, increasingly, market forces and decreasing federal support for Title VII are affecting these trends, with PAs, like physicians, being drawn to specialty practices.There is considerable use of PAs in all practice settings in U.S. medicine. For several decades, PA training programs have demonstrated that they are efficient means of preparing clinicians who provide considerable benefit to society in return for a modest public investment. At the present time, when the climate seems not to favor public subsidy of health professions education, it may be wise for policy makers to consider strategies that address the long-term needs of the health care workforce and the public for primary care clinicians.This article is part of a theme issue of Academic Medicine on the Title VII health professions training programs.

Impact of Physician Assistant Care on Office Visit Resource Use in the United States

To investigate whether the use of physician assistants (PAs) as providers for a substantive portion of a patient's office-based visits affects office visit resource use. Medical Expenditure Panel Survey (MEPS) Household Component data from 1996 to 2004. This retrospective cohort study compares the number of office-based visits per year between adults for whom PAs provided >or=30 percent of visits and adults cared for by physicians only. The Agency for Healthcare Research and Quality collects MEPS data using methods designed to produce data representative of the U.S. noninstitutionalized civilian population. Negative binomial regression was used to compare the number of visits per year between persons with and without PA care, adjusted for demographic, geographic, and socioeconomic factors; insurance status; health status; and medical conditions. After case-mix adjustment, patients for whom PAs provided a substantive portion of care used about 16 percent fewer office-based visits per year than patients cared for by physicians only. This difference in the use of office-based visits was not offset by increased office visit resource use in other settings. Results indicate that the inclusion of PAs in the U.S. provider mix does not affect overall office visit resource use.

145: Use of Physician Assistants and Nurse Practitioners in United States Emergency Departments, 1993-2005: Implications for the Emergency Physician Workforce

Several factors (eg, the shortage of board-certified emergency physicians, insufficient hospital funds to hire more physician providers, and difficulty with physician recruitment and retention in rural and other underserved areas), have led to the utilization of physician assistants (PAs) and nurse practitioners (NPs) as alternatives to traditional physician coverage of emergency departments (EDs). In this study, we sought to evaluate the frequency and utilization trends of these mid-level providers in US EDs.

The US dermatology workforce: A specialty remains in shortage

Since 1999, multiple surveys have documented a stable undersupply of dermatologic services in the United States. Factors contributing to the imbalance include changes in the demographics of the physician workforce, increased demand for services, and a limited number of training positions for new physicians. In response to the demand, there has also been a substantial influx of nonphysician clinicians into dermatology offices. We sought to follow up the large data set collected by the American Academy of Dermatology in 2002; the survey was repeated in 2005 and 2007. Response rates ranged from 30% to 35% and included more than 1200 respondents each year. Few changes were noted in the metrics used to assess the balance of supply and demand in the US dermatology workforce between 2002 and 2007. Mean wait times for new patient appointments decreased slightly from 36 to 33 days. One third of practices continue to seek additional dermatologists. In 2007, 23% of practices reported employing a physician assistant and 10% a nurse practitioner (up from 15% and 8% in 2002). In 2007, typical dermatologists continued to spend the bulk of their direct patient care time in medical dermatology (23.9 hours, 63%), followed by surgery (10.2 hours, 27%), and then cosmetic dermatology (3.8 hours, 10%). A substantial subset of dermatologists (29%) spent half or more of their time in surgical and cosmetic dermatology combined. Although female dermatologists worked fewer total hours, they spent equal time caring for patients with medical dermatologic conditions, less time in surgical dermatology, and more time in cosmetic dermatology. The survey is potentially subject to inaccurate self-report and response bias. Although the results shed light on patient access and the dermatology workforce, they do not establish or quantify any impact on patients' health. Between 2002 and 2007, despite continued increases in the number of nonphysician clinicians in US dermatology offices, there were only small changes in the overall metrics commonly used to assess workforce balance. These findings suggest persistent unmet demand, but, given divergent trends of ongoing increases in surgical and cosmetic dermatology, growth in the use of physician assistants and nurse practitioners, and an aging and expanding US population, the future balance of supply and demand remains difficult to predict. Nevertheless, careful workforce planning and deliberative consideration of the risks and benefits of rapidly emerging changes in the delivery of dermatologic care are essential to ensure access to high-quality care for patients with skin disease.

A Day in the Life

The authors are American PAs working in Scotland as part of the UK's National Health Service pilot project exploring the use of physician assistants. They have indicated no relationships to disclose relating to the content of this article.

Emergency Medicine Physiciansʼ Opinions Regarding the Use of Physician Assistants in the Emergency Department Setting in Texas.

Emergency Medicine Physiciansʼ Opinions Regarding the Use of Physician Assistants in the Emergency Department Setting in Texas.

Measuring the Attitudes and Impact of the Eighty-Hour Workweek Rules on Orthopaedic Surgery Residents

The literature on graduate medical education contains anecdotal reports of some effects of the new eighty-hour workweek on the attitudes and performance of residents. However, there are relatively few studies detailing the attitudes of large numbers of residents in a particular surgical specialty toward the new requirements. Between July and November 2004, a survey created by the Academic Advocacy Committee of the American Academy of Orthopaedic Surgeons was distributed by mail, fax, and e-mail to a total of 4207 orthopaedic residents at the postgraduate year-1 through year-6 levels of training. The survey responses were tabulated electronically, and the results were recorded. The survey response rate was 13.2% (554 residents). Sixty-eight percent (337) of the 495 respondents whose postgraduate-year level was known were at the postgraduate year-4 level or higher. Attitudes concerning the duty rules were mixed. Twenty-three percent of the 554 respondents thought that eighty hours constituted an appropriate number of duty hours per week; 41% believed that eighty hours were too many, and 34% thought that eighty hours were not sufficient. Thirty-three percent of the respondents had worked greater than eighty hours during at least a single one-week period since the new rules were implemented; this occurred more commonly among the postgraduate year-3 and more junior residents. Orthopaedic trauma residents had the most difficulty adhering to the new duty-hour restrictions. Eighty-two percent of the respondents indicated that their residency programs have been forced to make changes to their call schedules or to hire ancillary staff to address the rules. The use of physician assistants, night-float systems, and so-called home-call assignments were the most common strategies used to achieve compliance. Resident attitudes toward the work rules are mixed. The rules have forced residency programs to restructure. Junior residents have more favorable attitudes toward the new standards than do senior residents. Self-reporting of duty hours is the most common method of monitoring in orthopaedic training programs. Such systems allow ample opportunity for inaccuracies in the measurement of hours worked. Although residents report an improved quality of life as a result of these new rules, the attitude that the quality of training is diminished persists.

Opinions of Texas Emergency Medicine Physicians Regarding the Use of Physician Assistants in the Emergency Department

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