Second Opinion Saves the Day: How Peer Feedback Prevents Errors in Emergency Care
"A new study highlights the power of quick, systematic peer reviews in emergency departments to catch medical errors and improve patient safety."
Emergency departments are high-stakes environments. Doctors face immense pressure, often making critical decisions with limited information and multiple patients demanding their attention. These decisions, though vital, are frequently made in isolation, leaving room for errors and oversights.
Recognizing this challenge, Freund et al. conducted a study to investigate whether systematic peer feedback could reduce the incidence of adverse events in emergency settings. Their research focused on implementing a structured 'cross-check' system where physicians regularly reviewed each other's cases.
This article delves into the findings of their study, exploring how this simple intervention can significantly improve patient safety in the fast-paced environment of the emergency department.
Tracking Patient Safety and Error Trends
Medical errors can adversely affect patient outcomes, making them an important part of efforts to improve health care quality and patient safety. AHRQ’s Network of Patient Safety Databases (NPSD) provides data that support analysis of patient-safety information. AHRQ’s National Healthcare Quality and Disparities Report includes NPSD data on national trends and patterns in errors, patient safety, quality, and disparities by condition and population group.
Emergency Medicine’s Growth and Safety Milestones
Emergency medicine became a medical specialty in response to factors including increased mobility and demand for unscheduled care that the existing system could not accommodate. Although emergency medical care has existed since ancient times, one source describes emergency medicine as an independent specialty with a history of about 30 years. In 2003, the Joint Commission released the first National Patient Safety Goals, identifying standards intended to help prevent medical errors and updating them annually. The history of U.S. emergency medical services also spans six eras, from Civil War battlefields to pandemic response.
The 'Cross-Check' Intervention: A Simple Yet Powerful Tool
The study employed a cluster-randomized design across six emergency departments in French hospitals. Three departments implemented the intervention, while the other three served as controls. The intervention involved brief, structured meetings between emergency physicians, or peers.
- Scheduled Meetings: Physicians met three times daily at fixed times.
- Case Reviews: They discussed the medical situation, prior actions, findings, and treatment plans for their current patients.
- Feedback Exchange: Colleagues provided feedback and shared their perspectives on the cases.
Why Error Rates and Causes Are Difficult to Pin Down
Estimates of how often medical errors occur vary widely because errors include different failures, such as diagnostic or medication errors, and outcomes ranging from near misses to injury or no harm. One source reports that medical errors have been described as the third leading cause of death in the United States, while emphasizing the difficulty of estimating incidence. Failures in medical practice may reflect human factors as well as the medical system, with the patient also central to the circumstances. Capturing, tracking, and analyzing errors at the institutional level is identified as important for addressing them.
Tools for Standardization and Error Reduction
A 2024 review describes checklists and error-reporting systems as tools that can standardize procedures, reduce surgical and medication errors, improve communication, and promote a safety-oriented culture. A separate review focuses on interventions to reduce medical errors and identifies medication errors in the 21st century as a subject of concern. These sources address error-reduction strategies from complementary angles, but the supplied material does not provide comparative effect sizes or establish that one approach is superior.
Peer Power: Transforming Emergency Care
The results of the study were striking. The intervention group, which received peer feedback, experienced a 40% reduction in the relative risk of adverse events compared to the control group (6.4% vs. 10.7%). This translates to preventing one adverse event for every 24 patients treated with the cross-check system.
Expertise and Emerging AI Readiness
An ACEP AI Task Force consensus opinion, endorsed by the ACEP Board of Directors in 2025, proposes best practices to prepare emergency physicians and clinical teams for integrating AI into emergency care. Separately, a 2025 article argues that frontline professionals’ expertise may help mitigate risks, prevent diagnostic errors, and improve performance in emergency departments. A 2022 cross-sectional study examined emergency clinicians’ concerns about medical errors that could result in patient harm or malpractice litigation. Together, these sources highlight both clinical expertise and preparation for new tools as relevant themes in emergency-care safety.
Cost and Changing Emergency-Care Trends
A 2024 discussion of emergency-medicine trends reports that the cost of providing emergency care is rising for several reasons: higher pay to attract and retain healthcare professionals, increasing costs for supplies and facilities, staffing challenges, and greater demand for emergency services. Other supplied articles describe emerging trends and technologies that may shape emergency medicine, but their excerpts do not specify particular innovations or quantify their expected impact. The available material therefore points to both cost pressures and ongoing attention to future technologies without establishing a specific forecast.
Uneven EMS Development Across Countries
A 2026 systematic review found that emergency medical services in low- and middle-income countries remain variably developed. The review describes a range from fragmented, informal systems to partially integrated national structures. This variation provides important context for emergency-care challenges across settings, although the supplied source excerpt does not quantify its effects on medical errors or peer feedback.
Incident Reporting and Emergency Department Experience
A 2023 study discusses the impact of moving from a paper-based to a digital hospital on voluntarily reported medication incidents and prescribing errors. Harvard’s CRICO case-study catalog draws on Candello medical malpractice data and expert convenings, with learning examples that include avoiding surgical errors and raising awareness of employee discrimination or harassment. A 2020 case study in an emergency department in Poland’s Silesia Province identified excessive waiting time for medical service as the most common adverse event in that case. These sources illustrate different human and operational dimensions of safety, without establishing that their findings apply uniformly across emergency departments.
The most significant impact was observed in reducing 'near misses' – potential errors that could have caused harm. While severe, preventable adverse events didn't show a statistically significant reduction, likely due to smaller sample size, the trend favored the intervention group. Notably, errors in sepsis management were frequently implicated in these severe events.
While the study focused on daytime weekday treatments, the potential benefits of extending peer feedback to nights and weekends, when staffing is often leaner, are worth considering. The 'cross-check' system offers a practical, scalable approach to enhancing patient safety in the challenging environment of the emergency department.