NUR 598 Week 3 Literature Search and Solution

NUR 598 Week 3 Literature Search and Solution

Student Name

University of Phoenix

NUR 598 Research Utilization Project (capstone-style project)

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Date

Literature Search and Solution

Emergency department (ED) crowding remains one of the most significant challenges in modern healthcare because it delays treatment, increases patient wait times, extends hospital stays, raises the risk of adverse outcomes, and contributes to patients leaving without receiving medical care. Research consistently shows that while hospitals cannot control patient arrival volumes, they can improve patient flow through evidence-based operational changes. One of the most effective strategies is replacing the traditional nurse-only triage process with a collaborative Nurse Practitioner–Registered Nurse (NP–RN) triage model, which enables earlier assessment, faster diagnostic testing, quicker treatment initiation, and improved patient satisfaction. Evidence from systematic reviews, randomized controlled trials (RCTs), and quality improvement studies supports provider-assisted triage as an effective approach for reducing ED overcrowding and enhancing healthcare efficiency.

Understanding Emergency Department Crowding

Emergency department overcrowding affects healthcare systems worldwide by reducing efficiency and delaying timely patient care. Increasing patient demand, limited inpatient bed availability, workforce shortages, and growing patient complexity continue to place substantial pressure on emergency services. These challenges often result in prolonged wait times, extended emergency department length of stay (LOS), increased mortality risk, and higher rates of patients leaving without being seen (LWBS).

Because healthcare organizations have limited control over the number of patients seeking emergency care, improving operational efficiency has become a primary strategy for managing overcrowding. Streamlining patient throughput allows hospitals to reduce delays, improve clinical outcomes, and optimize resource utilization without significantly increasing staffing or infrastructure costs.

Effective triage systems are central to improving emergency department performance because they prioritize patients according to clinical urgency while facilitating faster access to appropriate care. Integrating advanced practice providers into the triage process has emerged as a promising evidence-based solution for addressing persistent workflow inefficiencies.

Why Patient Throughput Matters

Patient throughput refers to the movement of patients from arrival to discharge or admission while minimizing unnecessary delays throughout the care process. Improving throughput allows healthcare teams to deliver care more efficiently without compromising patient safety.

Hospitals that optimize patient throughput commonly experience:

• Shorter patient wait times

• Reduced emergency department length of stay

• Earlier provider evaluation

• Faster diagnostic testing and treatment

• Lower Left Without Being Seen (LWBS) rates

• Higher patient satisfaction

• Better utilization of emergency department resources

Rather than focusing solely on increasing physical capacity, many healthcare organizations now prioritize process improvements that reduce bottlenecks and improve workflow efficiency.

Evidence-Based Literature Search

The proposed NP–RN triage model is supported by evidence-based practice (EBP), which integrates the best available research with clinical expertise and patient-centered care. Using the Iowa Model of Evidence-Based Practice, a comprehensive literature review was conducted to identify high-quality evidence supporting provider-assisted triage in emergency departments.

The literature search focused on studies evaluating interventions designed to improve emergency department throughput while maintaining safe, high-quality patient care. Researchers consistently examined several key performance indicators, including:

• Emergency department length of stay (LOS)

• Time from arrival to provider assessment

• Patient wait times

• Left Without Being Seen (LWBS) rates

• Patient satisfaction

• Diagnostic turnaround time

• Overall emergency department efficiency

The review included systematic reviews, randomized controlled trials, observational research, and quality improvement initiatives evaluating alternative triage models across diverse healthcare settings.

Although study designs and methodologies varied, the collective evidence consistently demonstrated that incorporating advanced practice providers into triage improves operational efficiency while enhancing patient outcomes.

Applying the Iowa Model to Clinical Decision-Making

The Iowa Model provides a structured framework for implementing evidence-based practice within healthcare organizations. It encourages clinicians to identify practice problems, evaluate available evidence, implement evidence-supported interventions, and continuously assess outcomes.

Applying this model to emergency department overcrowding involved:

• Identifying prolonged wait times and overcrowding as organizational priorities.

• Reviewing high-quality evidence related to provider-assisted triage.

• Selecting an NP–RN collaborative triage model based on available research.

• Planning implementation and outcome evaluation using measurable performance indicators.

This systematic approach ensures that organizational changes are supported by reliable evidence rather than assumptions or isolated clinical experiences.

Critical Appraisal of the Literature

Current research provides strong support for provider-assisted triage while also identifying several methodological limitations that should be considered during implementation.

Overall, the literature demonstrates that introducing advanced practice providers into emergency department triage improves patient flow, reduces delays, and enhances operational performance. However, differences in study design, healthcare settings, staffing models, and patient populations contribute to variations in reported outcomes.

Despite these differences, the direction of the evidence remains remarkably consistent across multiple studies.

Strengths of Existing Evidence

Systematic reviews and randomized controlled trials consistently report meaningful improvements after implementing provider-in-triage models. Healthcare organizations adopting these approaches commonly experience measurable gains in both efficiency and patient care.

Frequently reported benefits include:

• Reduced emergency department length of stay

• Faster provider evaluation

• Earlier initiation of laboratory and diagnostic testing

• Reduced treatment delays

• Lower LWBS rates

• Improved patient satisfaction

• Enhanced overall emergency department throughput

These positive outcomes have been observed across academic medical centers, community hospitals, and urban emergency departments, suggesting that provider-assisted triage is adaptable to a variety of healthcare environments.

Limitations of Current Research

Although the evidence strongly supports provider-assisted triage, several limitations reduce the overall certainty of the available research.

Limited Large Randomized Controlled Trials

Conducting large randomized controlled trials within emergency departments presents significant logistical challenges. Emergency care environments are dynamic, making it difficult to standardize patient flow, staffing, and clinical decision-making across study sites.

Variability in Data Collection

Several studies relied on manually recorded timestamps rather than automated electronic health record (EHR) data. Manual documentation increases the possibility of recording errors and may affect the accuracy of reported performance measures.

Confounding Operational Factors

Emergency department performance is influenced by numerous variables beyond the triage process itself. Factors such as patient acuity, seasonal demand, staffing shortages, inpatient bed availability, hospital occupancy, and workflow modifications may independently affect throughput and patient outcomes.

These variables make it difficult to isolate the direct impact of any single intervention.

Differences Between Healthcare Systems

Studies included in the literature review were conducted in healthcare systems with varying staffing structures, patient populations, and operational processes. As a result, implementation strategies may require adaptation based on local organizational needs and available resources.

Despite these methodological limitations, the collective body of evidence consistently supports provider-assisted triage as an effective strategy for improving emergency department efficiency.

Key Evidence at a Glance

Current research consistently demonstrates that integrating Nurse Practitioners into emergency department triage improves patient throughput by accelerating provider assessment, initiating diagnostic testing earlier, reducing emergency department length of stay, lowering Left Without Being Seen (LWBS) rates, and increasing patient satisfaction. Although additional large-scale randomized studies are warranted, systematic reviews and quality improvement projects provide substantial evidence supporting collaborative NP–RN triage models as a practical solution for managing emergency department overcrowding.

Proposed Solution: Implementing the NP–RN Triage Model

Evidence from emergency medicine research supports replacing the traditional nurse-only triage process with a collaborative Nurse Practitioner–Registered Nurse (NP–RN) triage model. This approach enables patients to receive medical evaluation and treatment much earlier in their emergency department (ED) visit, reducing delays that commonly occur while waiting for an available treatment bed.

Unlike conventional triage, where registered nurses primarily assess patient acuity and prioritize care, the NP–RN model allows a Nurse Practitioner (NP) to perform clinical evaluations, order diagnostic tests, initiate treatment, prescribe medications when appropriate, and discharge eligible low-acuity patients directly from triage. This collaborative workflow accelerates patient movement through the emergency department while improving resource utilization and maintaining high-quality care.

By initiating medical management at the front end of the ED, healthcare organizations can reduce congestion, shorten patient stays, and improve the overall patient experience.

How the NP–RN Triage Model Works

The NP–RN triage model follows a structured workflow based on the Emergency Severity Index (ESI), ensuring that patients receive care according to the urgency of their condition.

Management of High-Acuity Patients

Patients classified as ESI Levels 1 and 2, who require immediate life-saving interventions or urgent medical attention, bypass routine triage and proceed directly to the treatment area. These patients receive rapid physician-led emergency care without unnecessary delays.

Early Assessment of Moderate-Acuity Patients

Patients assigned ESI Level 3 are evaluated by the Nurse Practitioner immediately after the Registered Nurse completes the initial triage assessment. During this evaluation, the NP can:

• Perform a focused clinical examination.

• Order laboratory and imaging studies.

• Initiate medications and treatments.

• Begin pain management when appropriate.

• Develop an initial treatment plan before an ED bed becomes available.

Starting medical care during triage reduces delays that traditionally occur while patients wait for provider evaluation inside the department.

Rapid Management of Low-Acuity Patients

Many patients classified as ESI Levels 4 and 5 present with minor illnesses or injuries that do not require extensive emergency department resources. Under the NP–RN model, these patients may be completely managed within the triage area.

Examples include:

• Uncomplicated urinary tract infections

• Minor skin infections

• Simple lacerations

• Mild allergic reactions

• Medication refills

• Upper respiratory infections

• Minor musculoskeletal injuries

When clinically appropriate, the Nurse Practitioner can assess, diagnose, treat, prescribe medications, provide discharge instructions, and safely discharge these patients without occupying an emergency treatment bed.

This process preserves valuable treatment spaces for critically ill patients while improving departmental efficiency.

Why Provider-Assisted Triage Improves Emergency Department Throughput

Emergency department overcrowding frequently results from bottlenecks that occur before patients receive provider evaluation. Traditional workflows often require patients to complete nursing triage before waiting for an available treatment room and physician assessment.

The NP–RN triage model addresses these delays by initiating clinical care immediately after patient arrival.

Instead of waiting for multiple sequential assessments, patients begin diagnostic testing and treatment while still in the triage area. Laboratory results, imaging studies, and medications may already be underway by the time a treatment room becomes available, significantly shortening the overall length of stay.

This streamlined process reduces unnecessary waiting, minimizes duplicated assessments, and allows providers to make faster clinical decisions.

Benefits of the NP–RN Triage Model

Research demonstrates that collaborative provider-assisted triage offers numerous operational and clinical advantages.

Key benefits include:

• Earlier provider assessment

• Faster initiation of treatment

• Reduced emergency department wait times

• Shorter length of stay (LOS)

• Lower Left Without Being Seen (LWBS) rates

• Improved patient satisfaction

• More efficient use of treatment beds

• Better allocation of healthcare resources

• Reduced workflow bottlenecks

• Enhanced interdisciplinary collaboration

Collectively, these improvements contribute to safer, more efficient emergency department operations.

Operational Feasibility of the NP–RN Triage Model

One of the greatest strengths of this intervention is its practical implementation. Many hospitals already employ Nurse Practitioners within emergency departments, particularly in Fast Track or urgent care units. Rather than hiring additional providers, organizations can often improve patient flow by reallocating existing personnel to triage during peak demand periods.

This strategy minimizes implementation costs while maximizing available clinical expertise.

Several operational factors support successful implementation:

• Existing triage areas often have adequate space to accommodate both a Registered Nurse and Nurse Practitioner.

• Emergency Nurse Practitioners already possess the clinical skills required for rapid patient assessment and treatment.

• Current nursing workflows can be adapted to support collaborative practice without major organizational restructuring.

• Existing diagnostic and electronic health record systems typically require minimal modification.

Because the intervention primarily reorganizes existing resources instead of creating entirely new services, implementation is generally considered financially feasible.

Resource Requirements

Successful implementation requires thoughtful planning but relatively modest investments compared with expanding emergency department capacity.

Healthcare organizations should ensure the availability of:

• Qualified Nurse Practitioners with emergency medicine experience

• Registered Nurses trained in collaborative triage workflows

• Updated triage policies and clinical protocols

• Access to laboratory and diagnostic ordering systems

• Electronic health record documentation support

• Ongoing staff education and competency assessments

These resources help maintain consistency, patient safety, and workflow efficiency throughout implementation.

Implementation Strategy

Introducing an NP–RN triage model should follow a structured implementation plan that minimizes disruption while allowing continuous evaluation.

Phase 1: Planning

Healthcare leaders should establish a multidisciplinary implementation team that includes:

• Emergency physicians

• Nurse Practitioners

• Registered Nurses

• Emergency department managers

• Quality improvement specialists

• Information technology personnel

The team should review current workflows, identify operational barriers, and develop standardized triage protocols.

Phase 2: Staff Education

Comprehensive education prepares staff for the new workflow and promotes consistent practice.

Training should focus on:

• Collaborative triage responsibilities

• Emergency Severity Index (ESI) application

• Clinical documentation standards

• Communication strategies

• Diagnostic ordering procedures

• Patient safety protocols

Simulation exercises and competency assessments can improve staff confidence before implementation begins.

Phase 3: Pilot Implementation

Rather than immediately replacing the existing system, hospitals should pilot the NP–RN model over approximately three months.

Alternating implementation days with traditional triage workflows allows administrators to compare performance indicators while identifying operational challenges before full-scale adoption.

Phase 4: Continuous Evaluation

Following implementation, healthcare organizations should continuously monitor performance data to evaluate effectiveness and identify opportunities for improvement.

Project Goals

The primary goal of implementing an NP–RN triage model is to improve emergency department efficiency by reducing overcrowding and accelerating patient throughput.

Specific goals include improving access to timely care while maintaining patient safety and enhancing overall healthcare quality.

Additional goals include:

• Reducing patient wait times

• Improving emergency department workflow

• Enhancing patient satisfaction

• Supporting evidence-based clinical practice

• Optimizing utilization of existing healthcare resources

Project Objectives

Successful implementation requires clearly defined objectives that guide planning and evaluation.

Project objectives include:

• Establish a multidisciplinary implementation team.

• Develop standardized policies and procedures for collaborative NP–RN triage.

• Train Nurse Practitioners, Registered Nurses, physicians, and support staff.

• Modify triage workflows to support collaborative patient assessment.

• Pilot the NP–RN triage model using alternating implementation days over a three-month period.

• Collect and analyze outcome data using predefined performance measures.

• Refine workflows based on evaluation findings before organization-wide implementation.

These objectives promote consistent implementation while supporting continuous quality improvement.

Expected Outcomes

Based on current evidence, implementing the NP–RN triage model is expected to produce measurable improvements in emergency department performance.

Expected outcomes include:

• Reduced arrival-to-provider assessment time

• Shorter emergency department length of stay (LOS)

• Lower Left Without Being Seen (LWBS) rates

• Earlier initiation of diagnostic testing and treatment

• Improved patient satisfaction scores

• Enhanced provider productivity

• Better utilization of emergency department treatment beds

• Improved interdisciplinary collaboration

• Increased operational efficiency

• Stronger overall patient outcomes

Monitoring these performance indicators enables healthcare organizations to determine whether the intervention achieves its intended clinical and operational goals.

Key Takeaways

Evidence indicates that the NP–RN triage model improves emergency department operations by allowing medical evaluation, diagnostic testing, and treatment to begin immediately after triage. Compared with traditional nurse-only triage, this collaborative approach reduces waiting times, shortens emergency department length of stay, lowers LWBS rates, optimizes treatment bed utilization, and enhances patient satisfaction. Because many hospitals can implement the model by reallocating existing Nurse Practitioner resources, it represents a practical and cost-effective evidence-based strategy for improving emergency department throughput.

Implications for Evidence-Based Practice

Evidence-based practice (EBP) plays a critical role in improving emergency department (ED) operations by integrating the best available research with clinical expertise and patient-centered care. Although universal guidelines for provider-assisted triage are still evolving, current evidence consistently demonstrates that collaborative Nurse Practitioner–Registered Nurse (NP–RN) triage models improve patient throughput, reduce delays, and enhance emergency department efficiency.

Implementing an NP–RN triage model aligns with the principles of continuous quality improvement because healthcare organizations can monitor clinical outcomes, evaluate workflow performance, and refine processes based on measurable data. This ongoing evaluation ensures that practice changes remain effective while adapting to changing patient volumes and organizational needs.

Hospitals adopting provider-assisted triage also contribute to the growing body of evidence supporting innovative emergency care models. Each implementation provides valuable data that can inform future best practices and strengthen evidence-based emergency nursing.

Why Continuous Evaluation Is Essential

Introducing a new triage model should not be viewed as a one-time intervention. Continuous monitoring allows healthcare organizations to identify operational strengths, address workflow challenges, and improve patient outcomes over time.

Healthcare leaders should routinely assess:

• Emergency department length of stay (LOS)

• Arrival-to-provider assessment time

• Left Without Being Seen (LWBS) rates

• Patient satisfaction scores

• Diagnostic turnaround times

• Time to treatment initiation

• Provider productivity

• Bed utilization rates

• Staff satisfaction and collaboration

• Overall patient throughput

Regular performance reviews support data-driven decision-making and help maintain sustainable improvements in emergency department operations.

Future Research Directions

Although current literature strongly supports provider-assisted triage, additional high-quality research is needed to strengthen clinical recommendations and identify the most effective implementation strategies.

Future studies should focus on:

• Large multicenter randomized controlled trials

• Long-term patient outcome evaluations

• Cost-effectiveness analyses

• Comparative studies of different provider-in-triage models

• The impact of electronic health record integration on triage efficiency

• Patient safety outcomes associated with NP-led triage

• Staff workload and burnout following implementation

• Effects on hospital admission rates and resource utilization

Expanding the evidence base will help healthcare organizations refine triage practices and establish standardized guidelines for provider-assisted emergency care.

Challenges and Considerations

While the NP–RN triage model offers significant benefits, successful implementation requires careful planning and organizational support.

Potential challenges include:

• Resistance to workflow changes among staff

• Scheduling and staffing limitations

• Training requirements for collaborative practice

• Variations in Nurse Practitioner scope-of-practice regulations

• Limited physical space within existing triage areas

• Budget constraints for education and workflow redesign

• Maintaining consistency during implementation

Addressing these barriers through leadership engagement, staff education, and continuous quality improvement initiatives increases the likelihood of successful adoption.

Clinical Significance

Improving emergency department throughput extends beyond operational efficiency. Delays in emergency care are associated with poorer clinical outcomes, prolonged patient suffering, and increased healthcare costs.

Earlier assessment and treatment can lead to:

• Faster pain management

• Earlier diagnosis of serious conditions

• Reduced treatment delays

• Improved patient safety

• Better patient experiences

• More efficient allocation of healthcare resources

Provider-assisted triage therefore represents both an operational improvement and a patient safety initiative.

Practical Recommendations for Healthcare Organizations

Hospitals considering an NP–RN triage model should adopt a structured implementation strategy supported by evidence-based practice principles.

Recommended actions include:

• Conduct a baseline assessment of current emergency department performance.

• Develop standardized triage protocols and clinical pathways.

• Engage multidisciplinary stakeholders early in the planning process.

• Provide comprehensive education for Nurse Practitioners, Registered Nurses, and physicians.

• Pilot the intervention before full-scale implementation.

• Collect performance data using standardized quality indicators.

• Continuously evaluate outcomes and refine workflows based on findings.

These recommendations promote sustainable improvements while supporting high-quality, patient-centered emergency care.

Frequently Asked Questions

What is an NP–RN triage model?

An NP–RN triage model is a collaborative emergency department workflow in which a Nurse Practitioner and a Registered Nurse jointly assess patients, initiate diagnostic testing, begin treatment, and discharge appropriate low-acuity patients directly from triage. This approach reduces delays and improves patient flow.

Why is emergency department crowding a significant healthcare issue?

Emergency department crowding contributes to longer wait times, delayed treatment, increased mortality risk, reduced patient satisfaction, and higher rates of patients leaving without being seen. Persistent overcrowding also places considerable strain on healthcare professionals and hospital resources.

How does provider-assisted triage improve patient flow?

Provider-assisted triage allows diagnostic testing, treatment, and clinical decision-making to begin immediately after triage. Early intervention reduces waiting times, shortens emergency department length of stay, and improves overall operational efficiency.

What evidence supports NP-led triage?

Systematic reviews, randomized controlled trials, and quality improvement studies consistently report that provider-assisted triage leads to shorter emergency department stays, faster provider assessment, lower Left Without Being Seen (LWBS) rates, improved patient satisfaction, and better utilization of healthcare resources.

Is implementing an NP–RN triage model cost-effective?

Yes. Many hospitals can implement the model by reallocating existing Nurse Practitioner resources rather than hiring additional staff. This minimizes implementation costs while improving workflow efficiency and patient outcomes.

Which patients benefit most from the NP–RN triage model?

Patients with moderate- and low-acuity conditions often experience the greatest benefits because they receive earlier evaluation, faster diagnostic testing, and quicker treatment. Critically ill patients also benefit indirectly because treatment beds become available more rapidly.

What outcomes should hospitals monitor after implementation?

Healthcare organizations should evaluate:

• Arrival-to-provider assessment time

• Emergency department length of stay (LOS)

• Left Without Being Seen (LWBS) rates

• Patient satisfaction scores

• Diagnostic turnaround times

• Time to treatment initiation

• Bed occupancy and utilization

• Overall emergency department throughput

Can the NP–RN triage model improve patient satisfaction?

Yes. Earlier provider evaluation, shorter waiting times, faster treatment, and improved communication contribute to a more positive patient experience and higher satisfaction scores.

Does the NP–RN triage model improve patient safety?

Research indicates that earlier assessment and timely treatment can reduce delays in care, facilitate faster diagnosis, and improve clinical outcomes, making provider-assisted triage an important patient safety strategy.

Is additional research still needed?

Although current evidence strongly supports provider-assisted triage, further multicenter randomized controlled trials and long-term outcome studies are needed to strengthen clinical guidelines and determine the most effective implementation strategies across different healthcare settings.

Key Evidence Summary

Emergency department crowding remains a major cause of delayed treatment, prolonged length of stay, and reduced patient satisfaction. Current evidence demonstrates that collaborative NP–RN triage models improve patient throughput by initiating assessment, diagnostic testing, and treatment earlier in the care process. Research consistently associates provider-assisted triage with shorter emergency department stays, lower Left Without Being Seen (LWBS) rates, more efficient resource utilization, and improved patient experiences. While additional high-quality research is encouraged, existing evidence supports NP–RN triage as a practical, feasible, and evidence-based strategy for optimizing emergency department operations.

Conclusion

Emergency department overcrowding continues to challenge healthcare systems worldwide, making efficient patient flow a critical priority for hospitals seeking to improve care quality and operational performance. Since healthcare organizations cannot control patient demand, optimizing internal workflows offers one of the most effective solutions for reducing delays and enhancing patient outcomes.

The evidence reviewed throughout this literature search consistently demonstrates that replacing traditional nurse-only triage with a collaborative Nurse Practitioner–Registered Nurse (NP–RN) triage model significantly improves emergency department throughput. Earlier provider assessment, faster diagnostic testing, prompt treatment initiation, and direct management of eligible low-acuity patients contribute to shorter emergency department length of stay, lower Left Without Being Seen (LWBS) rates, improved patient satisfaction, and more efficient use of healthcare resources.

Although additional multicenter studies are needed to further strengthen the evidence base, current systematic reviews, randomized controlled trials, and quality improvement projects provide compelling support for provider-assisted triage. Hospitals that implement and continuously evaluate NP–RN triage models can improve patient safety, enhance operational efficiency, and contribute to the ongoing advancement of evidence-based emergency nursing practice.

References

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NUR 598 Week 3 Literature Search and Solution

Oredsson, S., Jonsson, H., Rognes, J., Lind, L., Göransson, K. E., Ehrenberg, A., & Farrohknia, N. (2011). A systematic review of triage-related interventions to improve patient flow in emergency departments. Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine, 19(43). https://doi.org/10.1186/1757-7241-19-43

Rowe, B. H., Guo, X., Villa-Roel, C., Schull, M., Holroyd, B., Bullard, M., Vandermeer, B., & Innes, G. (2011). The role of triage liaison physicians on mitigating overcrowding in emergency departments: A systematic review. Academic Emergency Medicine, 18(2), 111–120. https://doi.org/10.1111/j.1553-2712.2010.00984.x

Stover-Baker, B., Stahlman, B., & Pollack, M. (2012). Triage nurse prediction of hospital admission. Journal of Emergency Nursing, 38(3), 306–310. https://doi.org/10.1016/j.jen.2010.12.017

Titler, M. G., Kleiber, C., Steelman, V. J., Rakel, B. A., Budreau, G., Everett, L. Q., Buckwalter, K. C., Tripp-Reimer, T., & Goode, C. J. (2001). The Iowa Model of Evidence-Based Practice to Promote Quality Care. Critical Care Nursing Clinics of North America, 13(4), 497–509. https://pubmed.ncbi.nlm.nih.gov/11866368/

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